Platinum, Amethyst and Diamond Ring, c. 1935-1940, channel-set with a vertical line of diamond baguettes flanked by pentagonal step-cut amethysts and full-cut diamonds, open gallery and incised shank, size 8.
Auctioneer:
Skinner
Date:
2003-09-23
Platinum, Amethyst, and Diamond Ring, set with an oval-cut amethyst measuring approx. 20.00 x 15.00 x 11.90 mm, baguette- and full-cut diamond shoulders, approx. total Read more…
Auctioneer:
Skinner
Date:
2012-09-11
Platinum, Amethyst, and Diamond Ring, Cathy Waterman, set with a fancy-shape amethyst, wrapped in diamond melee prongs, the band set throughout with full-cut diamond melee, Read more…
Auctioneer:
Skinner
Date:
2009-03-17
Art Deco Platinum, Amethyst, and Diamond Ring, bezel-set with a fancy-cut amethyst measuring approx. 17.21 x 13.50 x 9.00 mm, shoulders set with twelve old Read more…
Auctioneer:
Skinner
Date:
2006-09-19
Platinum, Amethyst and Diamond Ring, prong-set with an oval-cut amethyst measuring approx. 16.35 x 13.02 x 7.48 mm, flanked by ten old European-cut diamonds, approx. Read more…
Auctioneer:
Skinner
Date:
2006-06-13
Platinum, Amethyst and Diamond Ring, prong-set with an oval-cut amethyst framed by twenty diamond melee, size 5. Note: Purchased at Shreve, Crump & Low. Read more…
Auctioneer:
Skinner
Date:
2006-03-14
Platinum, Amethyst, and Diamond Ring, J.E. Caldwell, set with a buff-top amethyst measuring approx. 20.37 x 17.64 x 13.03 mm, with full-cut and baguette diamond Read more…
Auctioneer:
Skinner
Date:
2018-05-15
Platinum, Amethyst, and Diamond Ring, prong-set with a fancy-cut amethyst measuring approx. 22.00 x 16.40 x 11.50 mm, framed by full-cut diamonds, 13.0 dwt, size Read more…
Auctioneer:
Skinner
Date:
2015-09-29
Art Deco Platinum, Amethyst, and Diamond Ring, Durand & Co., prong-set with an oval cabochon amethyst flanked by old single- and baguette-cut diamonds, size 5 Read more…
Auctioneer:
Skinner
Date:
2014-09-09
Platinum, Amethyst, and Diamond Ring, prong-set with an oval-shape amethyst measuring approx. 16.00 x 11.46 x 7.30 mm, framed by European-cut diamonds, size 7. Read more…
Auctioneer:
Skinner
Date:
2008-12-09
Art Deco Platinum, Amethyst, and Diamond Ring, bezel-set with a cushion-cut amethyst, with baguette- and full-cut diamonds, millegrain accents, and engraved shoulders, size 6 1/2. Read more…
Auctioneer:
Skinner
Date:
2020-06-16
