
Description
GRS Certified Faceted Bi Color Sapphire: 21.37 Carat Cushion Cut Gemstone
Weight: 21.37 carat
Dimensions: 15.000 * 13.150 * 10.340 MM
Clarity : Eye Clean
Treatment: None
Zodiac sign : virgo , Taurus, Aries
Birth : September
Hardness : mohs 9 knoop 1175-1380
Sapphire is the most precious and valuable blue gemstone. It is a very desirable gemstone due to its excellent color, hardness, durability, and luster. In the gem trade, Sapphire without any color prefix refers to the blue variety of the mineral Corundum. However, the term Sapphire encompasses all other gem varieties and colors of Corundum as well, excluding Ruby, the red variety of Corundum, which has its own name since antiquity. The most valuable color of Sapphire is a cornflower blue color, known as Kashmir Sapphire or Cornflower Blue Sapphire. Another extremely valuable Sapphire form is the very rare, orange-pink Padparadschah. An exotic type of sapphire, known as Color Changing Sapphire, displays a different color depending on its lighting. In natural light.
Sapphire jewellery
Baby pink Sapphire
Ring for Sapphire
High jewellery
Brownish Gray Sapphire
Purplish Gray Sapphire
Cushion Cut Sapphire
Blue Ceylon Sapphire
Reserve: $45,000.00
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Buyer's Premium
20%
GRS Certified Faceted Bi Color Sapphire: 21.37 Carat Cushion Cut Gemstone
Estimate $54,000-$65,000
Starting Price
$22,000
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Loose Gemstones Auction
Feb 12, 2026 1:00 PM ESTNew York, NY, United States
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