Colored Diamond, Diamond, Platinum, Gold Necklace. Photo courtesy Heritage Auctions

The necklace features oval-shaped fancy intense yellow diamonds weighing a total of 15.67 carats, set in 22k gold, enhanced by white oval-shaped diamonds weighing a total of 10.29 carats, accented by white full-cut diamonds weighing a total of 6.17 carats, set in platinum. Total diamond weight is 32.13 carats. Gross weight 46.10 grams. en suite with 58699. Length: 16 inches Estimate: $80,000 - $100,000

Colored Diamond, Diamond, Platinum, Gold Bracelet. Photo courtesy Heritage Auctions

The bracelet features oval-shaped fancy intense yellow diamonds weighing a total of 10.81 carats, set in 22k gold, enhanced by oval-shaped white diamonds weighing a total of 8.42 carats, set in platinum. Total diamond weight is 19.23 carats. Gross weight 28.00 grams. en suite with 58698. Length: 6-7/8 inches Estimate: $60,000 - $80,000

Heritage Auctions. 2011 December 5 - 6 Fine Jewelry Signature Auction- Dallas http://jewelry.ha.com