Platinum Diamond and Colored Diamond Twin-stone Ring

Art Deco Platinum, Diamond, and Colored Diamond Ring, bezel-set with an old European-cut diamond weighing approx. 2.04 cts., flanked by yellow marquise-cut diamonds and old Read more…

Platinum, Diamond, and Colored Diamond Ring, prong-set with a cognac marquise-cut diamond measuring approx. 16.30 x 7.02 x 4.42 mm, weighing approx. 3.09 cts., bordered Read more…

Pair of Platinum, Diamond and Colored Diamond Earpendants, each bezel and bead-set with one yellow diamond and sixteen full-cut diamond melee. Read more…

Art Deco Platinum, Diamond and Colored Diamond Three-stone Ring, bezel-set with old European-cut diamonds, approx. total wt. 3.10 cts., millegrain accents, openwork gallery and shoulders, Read more…

Platinum, Diamond, and Colored Stone "Giardinetto" Brooch, c. 1950s, set with carved ruby, sapphire, and emeralds, and full-and single-cut diamonds, lg. 1 3/4 in. Estimate Read more…

in a stylized flower design consisting of a central platinum cluster setting containing 13 old European cut diamonds weighing approximately 1.45 carats total within a Read more…

Diamond and Colored Diamond Pendant Necklace, the Edwardian garland form elements joined by bezel-set brown diamonds and set with old European-cut diamond melee, approx. total Read more…

consisting of a central stylized blossom with three partially open buds at the base, containing one round brilliant cut diamond weighing approximately 0.80 carat, 16 Read more…

Diamond and Colored Diamond Ring, bezel-set with an old European-cut diamond weighing 3.26 cts., further set with pink diamond and diamond melee, platinum and 18kt Read more…

Sapphire, Diamond, and Colored Diamond Pansy Clip Brooch, Oscar Heyman, set with full-cut diamonds and calibre-cut sapphires, yellow diamond accent, approx. total diamond wt. 2.69 Read more…