Platinum Brooch Set w/ Diamonds

Edwardian brooch from beginning of 20th century designed as a half crescent, made of platinum (acid tested - the pin on the reverse is made of 18K Yellow Gold) and set with many lovely Old European Cu

Retro brooch (from 1930s/40s) designed as a floral bouquet made of platinum (acid tested) and set with Single Cut diamonds weighing a total of approximately 3.5 Carats. The pin on its reverse is made

18K Yellow Gold and Platinum Custom Made Brooch Set with Gem Stones including Tourmaline, Diamonds, and More. Brooch weights 20.7 grams and measures 2.75 inches x 2 inches. Largest stone is approximat

EMERALD AND DIAMOND FLORAL CLIP BROOCH, in platinum. Set with a larger central emerald, flanked by emeralds on the side totalling approx. 0.53 ct. Diamonds totalling approx. 0.65 ct. W. 1.8 cm. 4.7 gr

Platinum brooch in the style of bow set with over 460 round and baguette cut diamonds weighing approx. 9.5 carats. 16.5dwt and 2.75"w

Ladies estate platinum,18kt gold and diamond brooch, two interlocked circles set with approx 2.00 cts total weight diamonds of varied size, 1.5"l, 1"w, 6.7 grams (inclusive of diamonds) Start Price: $

ART-DECO JADE AND DIAMOND BROOCH, in 18 ct. gold and platinum. Set with a square carved green jade plaque to the center, with diamond accents to the sides. W. 5.3 cm. 4.1 grams.

Fine beautiful Art-Deco ring, apparently made in France during the 1920s/30s, made of Platinum (bears a wolf head hallmark) and set in its center with a large oval cut red gemstone (Ruby?) and with a

Antique European brooch from late 19th century (circa 1880-1890) made of 14K Gold (only its reverse) integrated with silver and set with Old Mine Cut diamonds weighing a total of approximately 1.2 Car

A fine quality crown brooch in 14K yellow and white gold set with five round cut diamonds and three rubies in a prong setting. No visible marks, presumably French. Fine Vintage Jewelry, Gifts And Fash

Impressive large-sized Art-Deco ring, apparently made in France during the late 1920s, made of 18K Yellow Gold and platinum (the upper part only, with the gemstones set on top of it). Acid tested by t

Ottoman brooch in a half-crescent pattern made of 10K Gold (acid tested by the auction house) integrated with silver and set with Rose Cut diamonds in different sizes. Diameter: 4 cm. Total weight: 14

Antique ring (from circa 1900) made of platinum (acid tested) set in its center with a pearl integrated with Old Mine Cut diamonds weighing a total of approximately 0.25 Carats. Size: 9.5 Weight: 5 gr

Unique brooch designed in the Faberge style, made of silver and set with two oval Opals flanked by Rose Cut diamonds weighing a total of approximately 1.2 Carats and a Star Ruby. Bear maker's marks in

Platinum brooch set with brilliant cut diamonds, of which 7 of 0.15 ct., 6 of 0.10 ct., 8 of 0.5 ct. and 59 baguette cut diamonds, each approx. 0.05 ct., marked Astor nks, 21.9 grams

Lovely fine Victorian brooch (can also serve as a pendant) made of 14K Yellow Gold (acid tested by the auction house) designed in the shape of a Marquise set with pearls and flanked with a halo of 16

Platinum circle brooch set with sixteen diamonds of various sizes, approx. 3 to 4 carats of diamonds and 2 emeralds approx. 1 carat. In good condition.

Round diamond millegrain set platinum brooch, central diamond ct. 0.60 circa, other smaller diamonds in all ct. 1.70 circa, g 15.80 circa, length cm 5.80 circa. IT Spilla in platino con diamanti roton

Platinum brooch features approx. 1.20ctw in diamonds set in platinum. Brooch measures 31mm in diameter. Tested platinum. Brooch weighs 5.3 grams. Gemstones have not been graded for color and clarity ,

Bracelet & Pendant w/ Diamonds Set in Platinum - Approx. 7.5 " long

A Platinum and Diamond Brooch, Set with three diamonds, each approx. 10pt. Also having two diamonds, each approx. 5pt. Total weight: 3.9 dwt.

A Victorian unmarked white gold or platinum diamond set brooch Of star form, the central stone spreading to approximately 0.5 carat. 4 cm wide.

WOW! Platinum and 12ct Diamond Brooch. Set with 179 diamonds in total weight of about 12ct, D-E-F color, VS-VVS clarity. Can be split into two brooches or worn as one large brooch (see images). T

18ct yellow gold & platinum brooch, collet-set with 3x brilliant-cut diamonds, G colour, VS2, central diamond approx 0.12ct. Other two 0.08ct each. 3.8 grams, 5.7cm.