Platinum Tourmaline and Diamond Brooch

METAL: 18k Gold/Platinum. GEMSTONES: Mixed cut diamonds approx. 36 stones. Tourmaline. MEASUREMENTS: Brooch is 45mm x 36mm. MARKED: Hallmarks. WEIGHT: 8.3 grams.Gemstones have not been graded for colo

A gold, platinum, tourmaline, diamond, and turquoise brooch, Tiffany & Co. Schlumberger designed as a textured 18K gold salamander set throughout with emerald-cut tourmalines, platinum dactyly set wit

A FINE ART DECO GREEN TOURMALINE AND DIAMOND BROOCH / PENDANT in platinum, set with an octagonal step cut green tourmaline of 13.50 carats within two concentric octagonal borders of round cut diamonds

Edwardian Diamond, Tourmaline, Emerald, Platinum Pendant-Brooch The pendant-brooch features a rectangular-shaped step-cut pink tourmaline measuring 10.87 x 9.19 x 5.52 mm and weighing approximately 4.

1970s 12.00ctw Green Tourmaline, 3.00ctw SI1-SI2/G-H Diamond and Solid 18K Yellow Gold/Platinum Brooch - This stunning vintage brooch is crafted of solid 18k yellow gold and platinum and is lavishly e

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

TWO 14K ROSE GOLD, PLATINUM, GEM-SET AND DIAMOND INSECT BROOCHES • 14k rose gold and platinum • 1 round pink tourmaline, 1 pear-shaped emerald and 4 round rubies • Numerous single-cu

18KT Gold, Platinum, and Multi-Gemstone Brooch, signedthe carved amethyst urn with a gold and diamond accented base, the finely carved gemstone bouquet to include aquamarine, pink tourmaline, citrine,

Vintage Platinum & diamond brooch, c. 1950, set with a cluster of pear-shaped and marquise-cut diamonds, H-J color, VS-SI clarity, est. 10.0 carats, 2.5"l, approx. 18 dwt., illegibly stamped 869(?) Pr

Platinum Diamond Brooch, oval shape measuring approximately 2 x 1 ¼ inches; pave set with 158 round full and single cut diamonds, approximate total carat weight is 5.75 by formula;the diamonds averag

Platinum brooch, set with center approx. 8.24ct yellow sapphire (measures 12.7 x 11.89 x 6.2mm), surrounded with approx. 0.74ctw in diamonds. Brooch measures 28mm x 27mm. Tested plat. Weight - 10.3 gr

Art Deco French Platinum Diamond Brooch Weighing 21.9 grams Set with app. 9.50 Ct. of Diamonds E-G Color, VVS-VS Clarity 2 inches in length

Art Deco Platinum Diamond Brooch Weighing 15.1 grams Set with 135 Diamonds weighing app. 9.00 Ct. E-G Color, VS1-SI2 Clarity 2.25 x 1 inches

This fabulous platinum & diamond brooch is stunning! The piece features a total of one hundred eighteen (118), prong set, round brilliant and round single cut diamonds and thirty-seven (37), channel s

Vintage fancy and large floral and bow brooch. 139 high quality diamonds with a approx. weight of 9.60ct set in a hand fabricated platinum setting. Unmarked, tested for platinum. approx 1.5" X 2" with

RBC, OEC and single cut diamonds approximately 8 cts TW. Approximately I-K, SI. 11.1 dwts.

11 pear cut diamonds, approx. 2.00ctw., G-H, VS2-SI1, 70 assorted cut diamonds, straight baguettes, tapered baguettes, lozenge, trapezoids, approx. 4.15ctw., G-H, VS2-SI1, length 2-1/8 in. at longest

346-661 Two Carat Platinum and Diamond Brooch. Art Deco Setting. 2.5" long. World Class item. Would make a stunning Pendant. Good stones, incredible Mine Cut Diamonds.

Victorian 18K & Platinum Diamond Brooch Weighing 9.1 grams Set with 49 Old European-cut Diamonds weighing app. 2.60 Ct. F-H Color, VVS-VS Clarity 2 inches in length

Art Deco platinum brooch/pin decorated with mixed cut diamonds. Center stone- Old European cut diamond-approx. 0.79ct (VS2/I), two side stones-Old European cut diamonds-approx. 0.55ctw (SI1-SI2/I-J),

PLATINUM & DIAMOND BROOCH, 6.50CTW set with 58 marquise and round diamonds approx. 6.50 carats (in our opinion: I color, VS2-SI1clarity, however not guaranteed), largest diamond 0.34 carats, tests pla

METAL: Platinum. GEMSTONES: Diamonds approx. 3.00ctw. MEASUREMENTS: Brooch is 42mm x 33mm. has a hook on the bottom to attach a drop. TESTED: Plat. WEIGHT: 12.5 grams.Gemstones have not been graded fo

Fully marked on back. In the Beaux -Arts taste, early 20thC. From the same estate as the matching ring (lot 36). Missing one emerald baguette. H 1 W 2 D 1/8 Weight 8 Grams Missing one emerald baguette

stamped 'Tiffany & Co. / PT950'; containing 42 full and single-cut diamonds [G-I/VS] weighing approximately 1.00 carats total; approximately 12.00 x 40.60 mm; 5.1 grams