41 - Important Vintage 15.97 Carat Columbian Emerald and 4.52 Carat Diamond and Platinum Ballerina Ring. Size 6-1/2. Center Set Natural Columbian Emerald of Very Fine Bluish-Green Color and VS Clarity. Ring is Further Enhanced in a Handmade Platinum Ballerina Setting. Set Throughout with Round Brilliant and Tapered Baguette Diamonds. E-F Color, VS1 Clarity. Shipping $20.00 (estimate $50,000-$70,000)