Все товары
Tourmaline Paraiba 9,26 ct
To accurately determine the mining region, the gem report should be supplemented with Raman microscope study, obtaining the spectrum of this tourmaline Paraiba, and comparing it with the base spectrum of tourmaline Paraiba from Mozambique.
Grandidierite 1,14 ct
GEMOLOGICAL REPORT № 123
Gemologist Olga Melikian | WA: https://wa.me/79990437349 05/04/2025
Telegram: @olgamelikianoffician | https://melikianjewelry.com
Weight: ……………………………..………………………….. 1.14 ct
Measurements: ……………….………………. 7.51x6.02x3.23 mm
Сut: ……………………………………………..……………. cushion
Color / Color saturation: … greenish blue | strong color saturation
Clarity: …………………….……………………..… loop clean | VVS
IDENTIFICATION: ……………………….. Natural GRANDIDIERITE
TRADE NAME: ……………………………………. GRANDIDIERITE
Geographic Origin: …………………………….……… Madagascar
Treatment: …………………….………. No indication of treatment
Information about GRANDIDIERITE:
Grandidierite is a rare mineral and gemstone found in jewelry quality in Madagascar. The high cost and value are due to the rarity and excellent jewelry properties: beautiful color, 7.5 Moos hardness, clarity and transparency.
RESULTS OF DIAGNOSTIC METHODS
GEMOLOGICAL REPORT № 123
Gemologist Olga Melikian | WA: https://wa.me/79990437349 05/04/2025
Telegram: @olgamelikianoffician | https://melikianjewelry.com
10x Magnifying glass: …………clarity loop clean, pavilion is small
Refractive Index: …………………………………….… 1.575 - 1.615
Polariscope: ………………………………………..…….. anisotropic
Dichroscope: ………..…trichroism | light sandy, greenish blue, blue
UV fluorescence: …………………………………… no fluorescence
Chelsea Filter: …………………………….…………………………….
Color change | Alexandrite effect (daylight | artificial light): intense greenish blue - greenish blue
Microscope: No indication of treatment (fillers, heating). There are gas-liquid inclusions, no mineral inclusions were found.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………….………………………No
To accurately determine the mining region, the gem report should be supplemented with Raman microscope study, obtaining the spectrum of this grandidierite, and comparing it with the base spectrum of grandidierite from Madagascar.
Gemologist Olga Melikian | WA: https://wa.me/79990437349 05/04/2025
Telegram: @olgamelikianoffician | https://melikianjewelry.com
Weight: ……………………………..………………………….. 1.14 ct
Measurements: ……………….………………. 7.51x6.02x3.23 mm
Сut: ……………………………………………..……………. cushion
Color / Color saturation: … greenish blue | strong color saturation
Clarity: …………………….……………………..… loop clean | VVS
IDENTIFICATION: ……………………….. Natural GRANDIDIERITE
TRADE NAME: ……………………………………. GRANDIDIERITE
Geographic Origin: …………………………….……… Madagascar
Treatment: …………………….………. No indication of treatment
Information about GRANDIDIERITE:
Grandidierite is a rare mineral and gemstone found in jewelry quality in Madagascar. The high cost and value are due to the rarity and excellent jewelry properties: beautiful color, 7.5 Moos hardness, clarity and transparency.
RESULTS OF DIAGNOSTIC METHODS
GEMOLOGICAL REPORT № 123
Gemologist Olga Melikian | WA: https://wa.me/79990437349 05/04/2025
Telegram: @olgamelikianoffician | https://melikianjewelry.com
10x Magnifying glass: …………clarity loop clean, pavilion is small
Refractive Index: …………………………………….… 1.575 - 1.615
Polariscope: ………………………………………..…….. anisotropic
Dichroscope: ………..…trichroism | light sandy, greenish blue, blue
UV fluorescence: …………………………………… no fluorescence
Chelsea Filter: …………………………….…………………………….
Color change | Alexandrite effect (daylight | artificial light): intense greenish blue - greenish blue
Microscope: No indication of treatment (fillers, heating). There are gas-liquid inclusions, no mineral inclusions were found.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………….………………………No
To accurately determine the mining region, the gem report should be supplemented with Raman microscope study, obtaining the spectrum of this grandidierite, and comparing it with the base spectrum of grandidierite from Madagascar.
Malaya garnet 5,53 ct
GEMOLOGICAL REPORT № 124
Gemologist Olga Melikian | WA: https://wa.me/79990437349 17/05/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
Considering the characteristics of this garnet Malaya:
Weight: ……………………………..………………………….. 5.53 ct
Сut: ………………………………………………….……………. oval
Color / Color saturation: … orange pink | medium color saturation
Clarity: …………………….………………………… eye clean | VVS2
Geographic Origin: …………………………….…………… Tanzania
Treatment: …………………….….……. No indication of treatment
Recommended market value corridor (retail price) of Malaya Garnet from Tanzania weighing from 5 carat, eye clean clarity, and orange-pink color, as of 17.05.2025:
600-720 $ per 1 ct
Note: the recommended market value corridor in indicated on this date. The price may change over time. The value corridor is an opportunity for the buyer/ seller to get an objective assessment of the value of this stone. With the receipt of new gemological research data, the cost corridor may be revised.
IWeight: ……………………………..………………………….. 5.53 ct
Measurements: ……………….………..……. 11.39x9.18x6.19 mm
Сut: ……………………………………………..……………. cushion
Color / Color saturation: … orange pink | medium color saturation
Clarity: …………………….………….………….… eye clean | VVS2
IDENTIFICATION: ………………………………… Natural GARNET
TRADE NAME: ……………………….…………. MALAYA GARNET
Geographic Origin: ………………………………………… Tanzania
Treatment: ……………………..………. No indication of treatment
Information about MALAYA GARNET:
The Malaya Garnet is a rare garnet of complex composition, first found on the Umba River in Tanzania. The composition is a mix of spessartite, pyrope, almandine and grossular. The best garnet Malaya have a red and orange-pink color, without a brown tint.
RESULTS OF DIAGNOSTIC METHODS
GEMOLOGICAL REPORT № 124
Gemologist Olga Melikian | WA: https://wa.me/79990437349 17/05/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
10x glass: ………..…. clarity eye clean, quality of the cut very good
Refractive Index: ……………………………………………….… 1.750
Polariscope: ………………………………..…………..…….. isotropic
Dichroscope: ………………………………….……… no pleochroism
UV fluorescence: ………….………………………… no fluorescence
Chelsea Filter: …………………………….…………………………….
Color change | Alexandrite effect (daylight | artificial light): intense orange pink - pink orange
Microscope: No indication of treatment (fillers, heating). There are gas-liquid inclusions, no mineral inclusions were found.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………….………………………No
DETAILED GEMOLOGICAL COMMENT
To accurately determine the mining region, the gem report should be supplemented with Raman microscope study, obtaining the spectrum of this garnet Malaya, and comparing it with the base spectrum of garnet Malaya from Tanzania.
Gemologist Olga Melikian | WA: https://wa.me/79990437349 17/05/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
Considering the characteristics of this garnet Malaya:
Weight: ……………………………..………………………….. 5.53 ct
Сut: ………………………………………………….……………. oval
Color / Color saturation: … orange pink | medium color saturation
Clarity: …………………….………………………… eye clean | VVS2
Geographic Origin: …………………………….…………… Tanzania
Treatment: …………………….….……. No indication of treatment
Recommended market value corridor (retail price) of Malaya Garnet from Tanzania weighing from 5 carat, eye clean clarity, and orange-pink color, as of 17.05.2025:
600-720 $ per 1 ct
Note: the recommended market value corridor in indicated on this date. The price may change over time. The value corridor is an opportunity for the buyer/ seller to get an objective assessment of the value of this stone. With the receipt of new gemological research data, the cost corridor may be revised.
IWeight: ……………………………..………………………….. 5.53 ct
Measurements: ……………….………..……. 11.39x9.18x6.19 mm
Сut: ……………………………………………..……………. cushion
Color / Color saturation: … orange pink | medium color saturation
Clarity: …………………….………….………….… eye clean | VVS2
IDENTIFICATION: ………………………………… Natural GARNET
TRADE NAME: ……………………….…………. MALAYA GARNET
Geographic Origin: ………………………………………… Tanzania
Treatment: ……………………..………. No indication of treatment
Information about MALAYA GARNET:
The Malaya Garnet is a rare garnet of complex composition, first found on the Umba River in Tanzania. The composition is a mix of spessartite, pyrope, almandine and grossular. The best garnet Malaya have a red and orange-pink color, without a brown tint.
RESULTS OF DIAGNOSTIC METHODS
GEMOLOGICAL REPORT № 124
Gemologist Olga Melikian | WA: https://wa.me/79990437349 17/05/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
10x glass: ………..…. clarity eye clean, quality of the cut very good
Refractive Index: ……………………………………………….… 1.750
Polariscope: ………………………………..…………..…….. isotropic
Dichroscope: ………………………………….……… no pleochroism
UV fluorescence: ………….………………………… no fluorescence
Chelsea Filter: …………………………….…………………………….
Color change | Alexandrite effect (daylight | artificial light): intense orange pink - pink orange
Microscope: No indication of treatment (fillers, heating). There are gas-liquid inclusions, no mineral inclusions were found.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………….………………………No
DETAILED GEMOLOGICAL COMMENT
To accurately determine the mining region, the gem report should be supplemented with Raman microscope study, obtaining the spectrum of this garnet Malaya, and comparing it with the base spectrum of garnet Malaya from Tanzania.
Black star sapphire 5,93 ct
COST ESTIMATION
GEMOLOGICAL REPORT № 125
Gemologist Olga Melikian | WA: https://wa.me/79990437349 28/05/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
Considering the characteristics of this Black Star Sapphire:
Weight: ……………………………..………………………….. 5.93 ct
Сut: …………………………………………………… oval cabochon
Color / Color saturation: ………….. dark brown with golden sheen
Clarity: …………………….……………………………………………..
Geographic Origin: ……………………….…… Chantaburi, Thailand
Treatment: …………………….…..… No indication of any treatment
Recommended market value corridor (retail price) of Black Star Sapphire with 12-ray star from Chantaburi, Thailand weighing from 5 carat, no treatment as of 28.05.2025:
450-600 $ per 1 ct
Note: the recommended market value corridor in indicated on this date. The price may change over time. The value corridor is an opportunity for the buyer/ seller to get an objective assessment of the value of this stone. With the receipt of new gemological research data, the cost corridor may be revised.
Weight: ……………………………..………………………….. 5.93 ct
Measurements: …………….………..…..… 12.74x10.28x3.98 mm
Сut: ……………………………………..……………. oval cabochon
Color / Color saturation: ………….. dark brown with golden sheen
Clarity: …………………….………….………….………………………
IDENTIFICATION: …………………………… Natural CORUNDUM
TRADE NAME: ……………………………BLACK STAR SAPPHIRE
Geographic Origin: …………………………… Chantaburi, Thailand
Treatment: …………………………. No indication of any treatment
Information about BLACK STAR SAPPHIRE:
In rare Black star sapphires, thanks to rutile and ilmenite, we see an optical effect - a gold or silver 6-ray star. This black star sapphire has a 12-ray star, which makes it an exceptional example of nature.
GEMOLOGICAL REPORT № 125
Gemologist Olga Melikian | WA: https://wa.me/79990437349 28/05/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
10x glass: …………..…quality very good, no cracks, no resin filling
Refractive Index: ……………………………….…….… 1.760 - 1.770
Polariscope: ………………………………..…………..………………..
Dichroscope: ………………………………….……… no pleochroism
UV fluorescence: ………….………………………… no fluorescence
Chelsea Filter: …………………………….…………………………….
Color change | Alexandrite effect (daylight | artificial light):…………
Microscope: No indication of any treatment (fillers, heating). Due to inclusions of rutile and ilmenite, we observe the asterism effect in this sapphire.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………………………………….Yes
12-ray star which golden (6-ray) and silver star (6-ray)
Please, read the gemreports materials in the sections «Diagnostic methods and results», «Detailed gemological comment», «Cost estimation» on pages 5, 6.
GEMOLOGICAL REPORT № 125
Gemologist Olga Melikian | WA: https://wa.me/79990437349 28/05/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
Considering the characteristics of this Black Star Sapphire:
Weight: ……………………………..………………………….. 5.93 ct
Сut: …………………………………………………… oval cabochon
Color / Color saturation: ………….. dark brown with golden sheen
Clarity: …………………….……………………………………………..
Geographic Origin: ……………………….…… Chantaburi, Thailand
Treatment: …………………….…..… No indication of any treatment
Recommended market value corridor (retail price) of Black Star Sapphire with 12-ray star from Chantaburi, Thailand weighing from 5 carat, no treatment as of 28.05.2025:
450-600 $ per 1 ct
Note: the recommended market value corridor in indicated on this date. The price may change over time. The value corridor is an opportunity for the buyer/ seller to get an objective assessment of the value of this stone. With the receipt of new gemological research data, the cost corridor may be revised.
Weight: ……………………………..………………………….. 5.93 ct
Measurements: …………….………..…..… 12.74x10.28x3.98 mm
Сut: ……………………………………..……………. oval cabochon
Color / Color saturation: ………….. dark brown with golden sheen
Clarity: …………………….………….………….………………………
IDENTIFICATION: …………………………… Natural CORUNDUM
TRADE NAME: ……………………………BLACK STAR SAPPHIRE
Geographic Origin: …………………………… Chantaburi, Thailand
Treatment: …………………………. No indication of any treatment
Information about BLACK STAR SAPPHIRE:
In rare Black star sapphires, thanks to rutile and ilmenite, we see an optical effect - a gold or silver 6-ray star. This black star sapphire has a 12-ray star, which makes it an exceptional example of nature.
GEMOLOGICAL REPORT № 125
Gemologist Olga Melikian | WA: https://wa.me/79990437349 28/05/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
10x glass: …………..…quality very good, no cracks, no resin filling
Refractive Index: ……………………………….…….… 1.760 - 1.770
Polariscope: ………………………………..…………..………………..
Dichroscope: ………………………………….……… no pleochroism
UV fluorescence: ………….………………………… no fluorescence
Chelsea Filter: …………………………….…………………………….
Color change | Alexandrite effect (daylight | artificial light):…………
Microscope: No indication of any treatment (fillers, heating). Due to inclusions of rutile and ilmenite, we observe the asterism effect in this sapphire.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………………………………….Yes
12-ray star which golden (6-ray) and silver star (6-ray)
Please, read the gemreports materials in the sections «Diagnostic methods and results», «Detailed gemological comment», «Cost estimation» on pages 5, 6.
Gold 14k ring with Natural EMERALD 4,96 ct
GEMOLOGICAL REPORT № 126
Gemologist Olga Melikian | WA: https://wa.me/79990437349 10/06/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
Weight of jewelry:..………………………………….……….… 5.26 g
Weight (Estimate stone weight):..…………………………… 4.96 ct
Stone Measurements: ………………….……11.55x10.77x5.85 mm
Сut: ……………………………………………..…………….. octagon
Color (Russian emerald quality system): …….…. 3 | intense green
Clarity: (Russian emerald quality system): ……………………. 3 | I3
IDENTIFICATION: …………Gold 14k ring with Natural EMERALD
TRADE NAME: ………….…………….…………. URAL EMERALD
Geographic Origin: ……………..…………… Malyshevo mine, Ural
Treatment: ……………………..………………..………. F1(Minor oil)
Information about ring with URAL EMERALD:
The Ural emerald is one of the most expensive and valuable precious stones. Since this emerald is inserted into the ring, the weight of the stone and the height measurement are calculated characteristics. The weight error is up to 10%.
RESULTS OF DIAGNOSTIC METHODS
GEMOLOGICAL REPORT № 126
Gemologist Olga Melikian | WA: https://wa.me/79990437349 10/06/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
10x glass: …………………………………………………………………
mineral inclusions in the center of the stone, many gas-liquid
inclusions
Refractive Index: ……………………….……………….… 1.575-1.602
Polariscope: …………………………………………………anisotropic
Dichroscope: …………………………yellowish green / bluish green
UV fluorescence: ………….………………………… no fluorescence
Chelsea Filter: ……………………………………………..… light pink
Color change | Alexandrite effect (daylight | artificial light): ……No
Microscope: treatment - minor oil. There are many characteristic tremolite-actinolite inclusions, many gas-liquid inclusions of a characteristic elongated shape.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………….………………………No
DETAILED GEMOLOGICAL COMMENT
To accurately determine the mining region, the gem report should be supplemented with Raman microscope study, obtaining the spectrum of this Ural emerald, and comparing it with the base spectrum of emeralds from Malyshevo mine, Ural.
COST ESTIMATION
Considering the characteristics of this Ural emerald:
Weight (Estimate stone weight)……..………………….…….. 4.96 ct
Сut: ……………………………………………..……….……. oсtagon
Color (Russian emerald quality system): ………… 3 | intense green
Clarity: (Russian emerald quality system): ……………………. 3 | I3
Geographic Origin: …………………………… Malyshevo mine, Ural
Treatment: …………………….….………………………. F1(Minor oil)
Recommended market value corridor (retail price) of Ural Emerald weighing from 5 carat, F1 treatment and intense green color (3), as of 10.06.2025:
1200-1500 $ per 1 ct
Note: the recommended market value corridor in indicated on this date. The price may change over time. The value corridor is an opportunity for the buyer/ seller to get an objective assessment of the value of this stone. With the receipt of new gemological research data, the cost corridor may be revised.
Gemologist Olga Melikian | WA: https://wa.me/79990437349 10/06/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
Weight of jewelry:..………………………………….……….… 5.26 g
Weight (Estimate stone weight):..…………………………… 4.96 ct
Stone Measurements: ………………….……11.55x10.77x5.85 mm
Сut: ……………………………………………..…………….. octagon
Color (Russian emerald quality system): …….…. 3 | intense green
Clarity: (Russian emerald quality system): ……………………. 3 | I3
IDENTIFICATION: …………Gold 14k ring with Natural EMERALD
TRADE NAME: ………….…………….…………. URAL EMERALD
Geographic Origin: ……………..…………… Malyshevo mine, Ural
Treatment: ……………………..………………..………. F1(Minor oil)
Information about ring with URAL EMERALD:
The Ural emerald is one of the most expensive and valuable precious stones. Since this emerald is inserted into the ring, the weight of the stone and the height measurement are calculated characteristics. The weight error is up to 10%.
RESULTS OF DIAGNOSTIC METHODS
GEMOLOGICAL REPORT № 126
Gemologist Olga Melikian | WA: https://wa.me/79990437349 10/06/2025
Telegram: @olgamelikianofficial | https://melikianjewelry.com
10x glass: …………………………………………………………………
mineral inclusions in the center of the stone, many gas-liquid
inclusions
Refractive Index: ……………………….……………….… 1.575-1.602
Polariscope: …………………………………………………anisotropic
Dichroscope: …………………………yellowish green / bluish green
UV fluorescence: ………….………………………… no fluorescence
Chelsea Filter: ……………………………………………..… light pink
Color change | Alexandrite effect (daylight | artificial light): ……No
Microscope: treatment - minor oil. There are many characteristic tremolite-actinolite inclusions, many gas-liquid inclusions of a characteristic elongated shape.
Special properties:
Opalescence | adularescence | iridescence ………………………No
Cats eye effect…………………………………………….……….…No
Asterism……………………………………….………………………No
DETAILED GEMOLOGICAL COMMENT
To accurately determine the mining region, the gem report should be supplemented with Raman microscope study, obtaining the spectrum of this Ural emerald, and comparing it with the base spectrum of emeralds from Malyshevo mine, Ural.
COST ESTIMATION
Considering the characteristics of this Ural emerald:
Weight (Estimate stone weight)……..………………….…….. 4.96 ct
Сut: ……………………………………………..……….……. oсtagon
Color (Russian emerald quality system): ………… 3 | intense green
Clarity: (Russian emerald quality system): ……………………. 3 | I3
Geographic Origin: …………………………… Malyshevo mine, Ural
Treatment: …………………….….………………………. F1(Minor oil)
Recommended market value corridor (retail price) of Ural Emerald weighing from 5 carat, F1 treatment and intense green color (3), as of 10.06.2025:
1200-1500 $ per 1 ct
Note: the recommended market value corridor in indicated on this date. The price may change over time. The value corridor is an opportunity for the buyer/ seller to get an objective assessment of the value of this stone. With the receipt of new gemological research data, the cost corridor may be revised.