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Tanzanite 12.96 ct mastercut round gem.
- 存货单位
- 尺寸(毫米)
- 14.590 x 14.530 x 9.270mm
- 重量 (cts)
- 12.960
- Shape
- Round
- 类型
- Faceted
- Certified Gemstones
- 是的
- 颜色
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Beautiful blue tanzanite. Internally flawless or close to it. IF quality. Extremely clean looking when viewing with jewelers loupe. 10 x internally flawless it looks to be upon examination. Very reflective stone. No apparent window which is often seen in tanzanite cut stones.
Round cut tanzanites are normally harder to find as tanzanite rough crystals are rectangular in shape and lend themselves more to ovals and rectangular cushion cuts. Rounds have a greater loss of weight when cutting called facet rate. They tend to be a little pricer as a result and rounds are normally the most sought after shape in a gemstone.
Certificate is online verifiable using the square through the photo function of your camera. It automatically brings up the certificate through the website.
When heated to 750 to 900 F or 400 to 500 C the brownish tints vanish and the tint of blue deepens.
Before heating the stones are trichroic which means three different colors depending on the direction you are looking at the stone. After heating the stones become dichroic which is two different colors. The best of the best is royal blue when viewing down at the face of the stone. Some tanzanites show royal blue from all directions. I'm not the best at taking videos or photos.
This stone is masterfully cut without window. Full reflection.
- 存货单位
- 尺寸(毫米)
- 14.590 x 14.530 x 9.270 mm
- 重量 (cts)
- 12.960
- Shape
- Round
- 类型
- Faceted
- Certified Gemstones
- 是的
- 颜色
-
Beautiful blue tanzanite. Internally flawless or close to it. IF quality. Extremely clean looking when viewing with jewelers loupe. 10 x internally flawless it looks to be upon examination. Very reflective stone. No apparent window which is often seen in tanzanite cut stones.
Round cut tanzanites are normally harder to find as tanzanite rough crystals are rectangular in shape and lend themselves more to ovals and rectangular cushion cuts. Rounds have a greater loss of weight when cutting called facet rate. They tend to be a little pricer as a result and rounds are normally the most sought after shape in a gemstone.
Certificate is online verifiable using the square through the photo function of your camera. It automatically brings up the certificate through the website.
When heated to 750 to 900 F or 400 to 500 C the brownish tints vanish and the tint of blue deepens.
Before heating the stones are trichroic which means three different colors depending on the direction you are looking at the stone. After heating the stones become dichroic which is two different colors. The best of the best is royal blue when viewing down at the face of the stone. Some tanzanites show royal blue from all directions. I'm not the best at taking videos or photos.
This stone is masterfully cut without window. Full reflection.
运输商 | 运送至:国家 | 运送到世界其他地区 |
---|---|---|
Standard Shipping - Tracked | $15.00 / :几天天 | $30.00 / :几天天 |
:国家
Standard Shipping - Tracked 对包含 3 或更多商品的订单折扣为 $5.00
世界其他地区
Standard Shipping - Tracked 对包含 3 或更多商品的订单折扣为 $35.00
|
||
Express Shipping | $30.00 / :几天天 | $70.00 / :几天天 |
:国家
Express Shipping 对包含 3 或更多商品的订单折扣为 $35.00
世界其他地区
Express Shipping 对包含 3 或更多商品的订单折扣为 $70.00
|
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积极的
Great seller: beautiful stones, shipped promptly.
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gemroughreplied
Thanks so much for picking quality cut gems!
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积极的
Nice stone
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积极的
Thank you so much. You are a trustworthy seller of beautiful and unique gemstones. This tourmaline has the most perfect cut and awesome clarity.
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积极的
Excellent communication and fast shipping, this stone is even more stunning in person! Would not hesitate to purchase from again, thank you!
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gemroughreplied
Thanks so much!!
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积极的
Paid and shipped - no feedback left after 100 days
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Comments
The Verified Seller has provided accurate and complete information for this item including weight, dimensions, and treatment.