David Yurman - Gold, Champagne Topaz and Diamond Cocktail Ring

Vintage cocktail ring by jeweler David Yurman in 18K (750 thousandths) yellow gold. It is adorned with a checkerboard-cut champagne topaz weighing approximately 12.5 carats (18.0 x 13.0 x 8.0 mm) in a double entourage of brilliant-cut diamonds weighing approximately 1 carat in total.
 The ring body is twisted and has the DY signature for David Yurman on the inside.
 Detailed characteristics
 Jeweler: David Yurman
 Weight: 17.9 g
 Size: 51 FR (5.75 US - L UK) - Not modifiable
 Metal: 18 carat yellow gold (750 thousandths)
 Stones: Champagne topaz (approx. 12.5 carats) and diamonds (approx. 1 carat total)
 Weight of Champagne Topaz: approx. 12.5 carats
 Diamond Weight: approx. 1 carat total
 Diamond Quality: Estimated VS
 Diamond Color: Estimated G/H