An emerald and diamond ring. photo courtesy Bonhams The claw-set step-cut emerald, flanked by shield-shaped diamond shoulders, emerald approximately 8.10 carats, diamonds approximately 1.00 carat each, ring size M - Estimate: £30,000 - 40,000 Accompanied...

An Important 29.28 carats Columbian Emerald and Diamond Ring Set with a cushion-cut emerald weighing approximately 29.28 carats, within a circular-cut diamond surround, mounted in platinum, ring size 6 1/4. With report no. 0809035, dated 9 September 2008...

HARRY WINSTON A Spectacular Columbian Emerald and Diamond Necklace Designed as a tapered circular, baguette and pear-shape diamond line, mounted in platinum, length 37cm, suspending a detachable 70 carat octagonal-shaped emerald, within a three-tiered...

Columbian emerald and marquise-shaped diamonds ring The emerald-cut emerald weighing 7.21 carats, framed by 24 marquise-shaped diamonds weighing approximately 2.00 carats, mounted in 18 karat gold, size 6¼. Est. 30,000—40,000 USD. Lot Sold 59,375 USD...