A 3.23-carat natural fancy blue diamond is one of the top attractions of Heritage Auctions Beverly Hills Fine Jewelry sale on September 25.
The gem with an SI2 clarity grade is set on a platinum ring flanked by two round white diamonds and has a pre-sale estimate of $900,000 to $1.2 million.
The fancy blue diamond is one of a trio of gems being featured at the September 25 auction. The others are:
* A 5.04-carat cushion-shaped fancy intense purplish-pink diamond mounted on a platinum ring and flanked by bullet-shaped diamonds. Its estimate is $100 - $150,000.
* A 10.45-carat oval modified brilliant-cut fancy yellow diamond measuring mounted on 18k gold, flanked by triangle-shaped diamonds weighing a total of approximately 1.00 carat. Its estimate is $40,000 to $70,000.
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