Rare Royal Blue Sapphire & Diamond 18K Ring

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This is an absolutely gorgeous and unusual Kashmir blue color sapphire.  It's the most sought-after blue sapphire color. It's very rare, clear and sparkling sapphire. It's over 7 carats and perfect for a left or right-hand ring. This is the classic "Princess Diana" ring. We put this special sapphire with a halo of large, sparkling diamonds in solid 18K yellow gold. 



Measurements (L x W x D): 12.80 x 10.0 x 7.0 mm

Clarity: VS

Color: 'Kashmir' Vivid Royal Blue

Weight: 7.08 carats

Cut: Oval Brilliant

Origin: Ceylon (Sri Lanka)


Metal:  Solid 18K Yellow Gold

Accents: Diamonds

Weight: 1.45 cttw (approx)

Shape/cut: Round/Brilliant

Clarity/color: VVS-VS/F (colorless)

Size: 6.5 (we offer complementary sizing on all of our rings)

This sapphire comes with certification of authenticity.

What is a "Kashmir" Sapphire (this sapphire is a Kashmir color)?

The most famous sapphires in the world are from Kashmir, but these rare gems are never seen except in museums and the occasional rare gemstone auctions. Most of the material that exists was discovered more than 100 years ago. Kashmiri sapphires are so highly valued because the best specimens have a superb royal blue color. Some of the best Ceylon (Sri Lankan) and Burmese sapphires are very close in color (this sapphire is one of them).

Kashmir sapphires are even rarely up for bid at the high-end auctions. In April 2007, a 22.66 carat cushion cut Kashmir sapphire, set in a pendant surrounded by diamonds, was sold at a Christie's for $3,064,000 to an anonymous bidder. At $135,000 per carat, it set a record for sapphire, and was not even the best quality for Kashmir sapphires!

Kashmir is in the northwestern region of the Indian subcontinent, lying mainly in a valley between India and Pakistan. Sapphires were first discovered in Kashmir around 1880. The story is that a landslide in the Padar region uncovered the deposit, high up in the Himalayas at about 12,000 feet. Between the years of 1882 and 1887 the mine was extremely productive, yielding sapphire crystals of exceptional quality and size. By 1887, declining production led the Maharajah of Kashmir to request geological assistance from the government of British India, in the hope of finding more material.

Our gemstone here is referred to as ‘Kashmir’ due to its rare beautiful color, resembling the original Kashmir sapphires. It was mined in Ceylon, in the same part of the world as Kashmir. Gemstones of this quality retail typically for $7,500 per carat.