Fine Jewelry at Heritage Auctions, Dallas, April 29

"Art Deco Diamond, Platinum Ring" - The ring features a round-cornered rectangular modified brilliant-cut diamond measuring 9.72x7.82x6.28mm and weighing 4.00ct, enhanced by European, full and single-cut diamonds weighing a total of approximately 0.10ct, set in platinum Estimate: 70,000 USD - 90,000 USD - "Ceylon Sapphire, Diamond, Platinum Ring" - The ring features an octagonal step-cut sapphire measuring 1361x935x811mm and weighing 1067ct, flanked by emerald-cut diamonds, with one measuring 656x496x339mm and weighing 105ct, and one measuring 661x490x336mm and weighing 103ct, set in platinum.

06mm and weighing 18.08ct, enhanced by pear-shaped diamonds weighing a total of 1.21ct, complemented by full-cut diamonds weighing a total of 1.36ct, accented by round and pear-shaped sapphires weighing a total of 2.17ct, set in 18k white gold Estimate: 60,000 USD - 80,000 USD - "Diamond, White Gold Jewelry Suite, Adler" - The suite includes a necklace featuring full-cut diamonds weighing a total of 6256ct; a bracelet featuring full-cut diamonds weighing a total of 3155ct; together with a pair of earrings featuring full-cut diamonds weighing a total of 988ct, all set in 18k white gold, marked Adler.

Total diamond weight is 103.99ct Gross weight 288.60 grams Estimate: 60,000 USD - 80,000 USD.

- "Fancy Yellow Diamond, Diamond, Platinum Pendant-Necklace" - The necklace features a detachable pendant centering a pear brilliant-cut diamond measuring 16.95x12 57x5.13mm and weighing 7.51ct, enhanced by European, French, full and single-cut diamonds weighing a total of approximately 1.75ct, accented by a radiant-cut diamond measuring 5.97x4.74x3.04mm and weighing approximately 0.70 carat. . Source