Once In A Blue Moon [Diamond]

The Blue Moon Diamond, a 12.03 internally flawless, fancy vivid blue diamond is to be auctioned at Geneva on November 11th, 2015 at the upcoming Sotheby's Auction: Magnificent Jewels and Notable Jewels.

Tomorrow, on November 11th, 2015, the Sotheby's Magnificent Jewels and Noble Jewels Auction will be held in Geneva Switzerland, with the hilighted Blue Moon Diamond to be auctioned. The fancy vivid blue gemstone has been said by GIA that it is so unique, it is actually indescribable! The only comparison that can be made is that the brilliance of the stone can be compared to sunlight dancing on the surface of the ocean. This 12.03 carat, cushion-cut diamond is one of the rarest gems in the world, as it is said to only be found "Once in a Blue Moon." The internally flawless gem expects to be purchased for between $35,586,468 and $55,876,998 USD. The stone was most recently exhibited at the Natural History Museum of Los Angeles County, from September 13th 2014 thru January 6th, 2015. 

Lot 513: The Blue Moon Diamond, PHOTO: Sotheby's

Lot 513: The Blue Moon Diamond, PHOTO: Sotheby's

The Blue Moon Diamond, PHOTO: Sotheby's

The Blue Moon Diamond, PHOTO: Sotheby's

Blue Moon Diamond GIA Colored Diamond Report, PHOTO: GIA

Blue Moon Diamond GIA Colored Diamond Report, PHOTO: GIA

Other notable gems from the upcoming Sotheby's jewelry auction...

Lot 509, PHOTO: Sotheby's

Lot 509, PHOTO: Sotheby's

Lot 504, PHOTO: Sotheby's

Lot 504, PHOTO: Sotheby's

Lot 277, PHOTO: Sotheby's

Lot 277, PHOTO: Sotheby's

Lot 88, PHOTO: Sotheby's

Lot 88, PHOTO: Sotheby's

Lot 155, PHOTO: Sotheby's

Lot 155, PHOTO: Sotheby's

Lot 497, PHOTO: Sotheby's

Lot 497, PHOTO: Sotheby's

Lot 509: Superb fancy vivid purple-pink diamond ring

The Details: 

This ring is set with a pear-shaped fancy vivid purple-pink diamond, and has 8.24 total carat weight, natural color, and SI1 Clarity. Estimated Value: $12,642,561 - $16,648,640 USD. (Sotheby's)

Lot 504: 'The Queen Maria-José ruby ring'

The Details:
An exceptional ruby and diamond ring, late 19th century. This ring is set with an oval shaped ruby weighing a total of 8.48 carats, and framed by cushion-shaped diamonds. The ring was formerly part of the personal collection of Queen Maria-José of Italy (1906-2001), and estimated value of between $6,097,564 - $9,135,941 USD. (Sotheby's)

Lot 277: Fancy yellow diamond ring, Cluev

The Details:

This diamond is set with a cut-cornered square mixed-cut fancy yellow and weights 11.73 carats. It is framed by marquise-shaped and brilliant cut diamonds. It is classified as a Fancy Yellow, Natural color, VS1 Clarity has an estimated value of $122,784 - 223,716 USD. (Sotheby's)

Lot 88: Emerald and diamond ring, Van Cleef & Arpels

The Details:

A Columbian Emerald Ring, Set with a step-cut emerald weighing 8.39 carats, set between pear-shaped diamond shoulders. Value Estimate $26,014 - 31,216 USD. (Sotheby's).

Lot 155: Pair of Fancy Intense Yellow Diamond Earrings

The Details:

Each diamond is set with a cut-cornered rectangular modified brilliant cut fancy intense yellow diamond. Diamond weights are 3.41 and 3.52 carats. Diamonds are fancy intense yellow, natural color, VS2 and VVS2 Clarity.  Butterfly clasp closure. Estimated value $71,797 - 91,568 USD. (Sotheby's)

Lot 497: Sapphire and Diamond Ring

The Details:

Ring is from a French Noble Family, Late 19th Century. Ring is claw-set with a cushion-shaped sapphire weighing 5.34 Carats, surrounded by similarly shaped diamonds. Estimate $101,973 - $154,000. (Sotheby's).