Christie’s on a Blue Streak at Geneva Auction  

Blue diamond and ruby ring at Christie's image

The top three lots on offer at an upcoming jewelry auction at Christie’s in Geneva feature blue diamonds, with the lead piece expected to bring in up to CHF 6.5 million ($7.9 million). 

The ring, a Boucheron creation, contains an emerald-cut, 6.24-carat, fancy-deep-blue, VVS2-clarity diamond center stone with round rubies and baguette-cut white diamonds. It will be the highlight of the May 14 Magnificent Jewels sale, according to Christie’s. 

Another blue diamond was originally set to headline in Geneva. The consignor pulled the pear-shaped, 23.24-carat, fancy-vivid-blue Golconda Blue diamond ring from designer JAR, which was expected to bring in up to $50 million, from the sale last week.  

The sale will include a 21-piece collection by JAR slated to bring in more than $3 million, as well as a bevy of blue diamonds. It will also feature pieces from well-known design houses, including Graff, Reza, Bulgari and Harry Winston. 

Here are the rest of the top 10 lots: 

Graff oval-shaped diamond ring at Christie's image
A Graff ring bears an oval-shaped, 3.68-carat, fancy-vivid-blue, VVS2-clarity diamond center stone with pear-shaped diamond side stones. It has a top estimate of CHF 3.7 million ($4.5 million). 
Marquise diamond ring at Christie's image
This ring, with a marquise brilliant-cut, 11.64-carat, fancy-light-blue, VS2-clarity diamond between triangular-shaped diamond shoulders, has an upper presale price of CHF 1.8 million ($2.2 million). 
Diamond necklace at Christie's image
A necklace with emerald-cut, D-color diamonds weighing 10.61, 8.37, 5.13, 5.13, 4.42, 4.10, 3.16 and 3.10 carats, as well as rectangular, pear-shaped and round diamonds, is estimated to fetch up to CHF 1.5 million ($1.8 million). 
Pear shaped diamond ring by Reza at Christie's image
This pear modified brilliant-cut, 20.10-carat, D-color, VVS1-clarity diamond ring by Reza has a high price of CHF 1.3 million ($1.5 million).  
Bulgari emerald and diamond brooch at Christie's image
A Bulgari brooch containing a buff-top Colombian emerald weighing 43.55 carats and a pear-shaped, 24.84-carat Colombian emerald, along with pear, marquise-shaped and round diamonds, could realize as much as CHF 1.2 million ($1.5 million). 
Colombian emerald and trapeze-shaped diamonds ring at Christie's image
Christie’s will sell this ring, bearing an octagonal-shaped, 14.90-carat Colombian emerald and trapeze-shaped diamonds, for up to CHF 850,000 ($1 million). 
Kashmir sapphire ring at Christie's image
This ring has a cushion-shaped, 13.80-carat Kashmir sapphire flanked by tapered baguette-cut diamonds. It has a high estimate of CHF 800,000 ($967,592). 
Yellow diamond ring at Christie's image
A Harry Winston ring with a cut cornered rectangular modified brilliant-cut, 21.38-carat, fancy-vivid-yellow diamond center stone and tapered baguette-cut diamonds has a top price of CHF 800,000 ($967,592). 
Pearl and diamond earrings at Christie's image
Antique natural pearl and diamond earrings will also go under the hammer at the sale, carrying an upper price tag of CHF 800,000 ($967,592).  

Main image: The blue diamond and ruby ring. (Christie’s)

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