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Antique Burmese Certified 10.18 Carat Blue Star Sapphire and Diamond Ring
About the Item
RARE BURMESE (Mogok - Myanmar) BLUE STAR SAPPHIRE AND DIAMOND RING, not heated, not treated.
Accompanied by Lotus Gemology Laboratory (Richard W. HUGHES) certificate no. 2940-9400, stating that the sapphire is of Burma origin, with no indications of heating / treatment. Round cabochon sapphire 10.36 x 10.29 x 8.74mm, calculated to weight approximately 10.18 carats, intense deep blue, transparent, with visible asterism. Diamonds bright and lively (color F, clarity VS1), estimated diamond weight approximately 1.40 carats.
Mounted and tested in 18K yellow Gold. Total weight 8.97grams. Measures: Length 24mm X Width 11.4mm. Ring size 56, can be re-sized.
Fine star rubies come mainly from Mogok (Burma), and Sri Lanka. While Mogok (Burma) has the reputation for producing the best pieces, the world's large example, the Rosser Reeves Star Ruby, was mined in Sri Lanka. As for the finest star sapphires, they also come from Mogok and Sri Lanka, particularly the latter. Deeper colors in Sri Lankan stones are mainly (but not always) found in the larger sizes, where the color builds due to the longer light paths.
The best stones will have just enough silk to create the star effect, but not so much as to harm the transparency and color. Such stones are extremely rare and valuable.
Important factors in evaluating star rubies and sapphires include the following:
- Color: This is paramount. One can have an expensive stone with a poor star, but valuable stars of poor color do not exist. Top-dollar-colored gems have top-dollar color – it's that simple.
- Transparency: If the proper amount of colorant exists in the stone, only good transparency will bring it out. The so-called 'glass body' is the ideal.
*We offer FREE insured international shipping with FedEx International Priority and Ferrari Express, we also guarantee the accuracy of our descriptions and the authenticity of every item we sell.
- Ring Size:7.5 US, Resizable
- Metal:
- Stone:
- Stone Cut:
- Weight:8.97 g
- Style:
- Lab Report Available:Lotus Gem 2940-9400
- Place of Origin:
- Period:
- Date of Manufacture:Late 19th Century
- Condition:Wear consistent with age and use.
- Seller Location:OVIEDO, ES
- Reference Number:
Resizing is available.
About the Seller
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Typical response time: 3 hours
- ShippingRetrieving quote...Ships From: OVIEDO, Spain
- Return PolicyA return for this item may be initiated within 3 days of delivery.
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