Move reflects market shift to higher-value diamonds.
Category: Polished
Necklace estimated to sell for up to $500,000.
4.83-carat, blue diamond ring is top seller, bringing in $8.8 million.
Sapphire and diamond piece was top seller at Jewels and Jadeite sale.
Ring brings in $1.2 million at May 23 auction.
Cushion-cut stone carries high estimate of nearly $435,000.
Selection includes a sapphire and diamond necklace carrying a $3.5 million upper estimate.
Eye bangle fetches nearly $1 million at Geneva Magnificent Jewels.
D-color, internally flawless stone carries estimate of up to $15 million at New York Magnificent Jewels.
Stone was most valuable jewel at recent Geneva auction season, says Sotheby’s.
Christie’s garners $202.2 million from three-part auction.