Antique platinum brooch, set with old European cut diamonds, tot. approx. 10.25 ct, approx. 21

Antique Handmade Brooch-Pin in 14K yellow gold, Platinum Iridium, with "Eclipse-Crescent" design, set with (15) Old European cut round brilliant diamonds graduating from the center, approx. 0.45 ct to

Platinum and Diamond Dress Clips/Broocheach open-work dress clip bezel-set with two old European-cut diamonds weighing approx. 0.50 ct. each, two baguettes-cut diamonds, and one triangular portrait-cu

The Edwardian style platinum ring is set with an approx. 1.31 ct. vivid slightly orangish yellowish brown Old European cut diamond bezel set in the center (I1 clarity due to a natural cavity or chip a

marked 14K and Aileen, 1/2 ct; along with a platinum ring set with old European cut diamond, approx. .65 ct with (3) small diamonds to either side; and a 14K white gold ring, the center diamond approx

DIAMOND RING in platinum centering a claw-set Old European-cut diamond of approx. ct 3,90.

DIAMOND RING designed as a brushed platinum band set with an Old European-cut diamond weighing approx. 1.00 ct.Â

Vintage 18K White Gold Daimond Circle Form Brooch set with 24 round old European cut diamonds, approx 1 1/2 ct total weight, 1 1/4" diameter.

platinum diamond ring, 1918, old European cut diamond weighing approx. .70 ct, with six round diamonds on the shoulders, near colorless, slightly included, size 6.75, 2.8 DWT

platinum diamond ring, 1918, old European cut diamond weighing approx. .70 ct, with six round diamonds on the shoulders, near colorless, slightly included, size 6.75, 2.8 DWT

14K white gold antique shell cameo brooch featuring an old European-cut diamond accent, weighing approx. 0.15 ct, decorative filigree frame, safety catch and collapsible bail, 2 in. L, 18.5 grams The

Platinum and Diamond Ringthe three stone ring centering a millegrain bezel-set old European-cut diamond weighing approx. 0.84 ct. flanked by millegrain bezel-set old European-cut diamonds weighing app

LAPIS LAZULI AND DIAMOND BAR BROOCH, 1930 CIRCA in platinum with bar centered with an Old European-cut diamond of approx. ct 0,50 surrounded by lapis lazuli and diamonds of approx. ct 1,30. French ass

Antique platinum filigree necklace set with (5) Old European cut diamonds. Diamonds measure approx. 3.0mm each. With a replaced sterling magnetic closure. Total approx. weight is 3.3 dwt (gross) inclu

Lady’s antique/vintage Birks platinum chain necklace set with an old European cut diamond approx. 0.45 carat.

Vintage Handmade 18K Gold Climbing Ivy Form Brooch, with each leaf of shaded and Florentine finish and set with (6) old European cut diamonds, approx. 1.0 ct total weight, with scratched in number '55

The ring is set with an Old European cut diamond in the center, approx. .70 ct., color K, clarity, SI2, surrounded with 7 round cut small diamonds and paste, sz. 5 1/4, 4/0 grams.

Art Deco platinum brooch displaying a central trio of (3) milgrain bezel set Old European cut diamonds measuring approx. 6.0mm, 4.5mm and 4.6mm. Diamonds are set within a platinum filigree frame displ

With yellow golden pin - 37 old European cut / single cut cut diamonds (1x approx. 0.35 ct., 2x approx. 0.09 ct. (Old European cut) and 34x approx. 0.01 ct. (Single cut) in a platinum setting). Clarit

This delicate platinum topped pin has an approx. .75 ct. Old European cut diamond dangling in the circular center that is flanked by two smaller Old European cut diamonds, approx. .55 ct. tw., accente

Lady's platinum lavalier diamond pendant set with approx. 2.5 ct. tw. Old European cut diamonds including platinum chain set with approx. .50 ct. tw. Old European cut diamonds, pendant is approx. 1 5/

Platinum ring with old European cut diamond weighing approx. .60 ct, diamond solitaire ring with slight color, small diamonds set on shoulders. size 6.75, 1.30 DWT

Platinum ring with old European cut diamond weighing approx. .60 ct, diamond solitaire ring with slight color, small diamonds set on shoulders. size 6.75, 1.30 DWT

3 Ct. Diamond & Platinum clasp showcasing a prong set old European cut diamond, approx. 1.10ct., (6.7mm, H-I SI-1), beautifully rendered in a scroll and scalloped design plaque featuring approx. 2cts.

Brooch. Antique floral form silver-topped 14kt gold brooch inlaid throughout with rose cut diamonds and a single centrally placed prong-set Old European cut diamond. OEC diamond measures approx. 3.5mm