Platinum and 14kt. Diamond Brooch

three old mine and 16 old European cut diamonds estimated total weight 1.35cts., H-I, SI to I, top of mounting tested platinum, stamped "14K", yellow gold, 1/2 x 3-1/8 in., 7.9 gramsÿ - Provenance: A

PLATINUM, 14KT WHITE GOLD, EMERALD AND DIAMOND CIRCLE BROOCH Four step-cut emeralds alternating with four brilliant-cut diamonds. Diameter 1.25”. Approx. 4.00 total dwt.

14KT YELLOW GOLD, PLATINUM AND DIAMOND ART DECO-DESIGN BROOCHNine round-cut diamonds approx. 0.55 ctw. Approx. 50.0 x 11.0mm.Approx. 3.75 total dwt.

Diamond Wreath Form Brooch. Edwardian platinum-topped 14kt yellow gold laurel wreath brooch with bow form ribbon. Inlaid throughout with Old European cut and rose cut diamonds. Suspended to the interi

Brooch. Platinum topped 14kt yellow gold Lily of the Valley floral brooch inlaid throughout with diamond accents. Apparently unmarked. Total approx. weight of the brooch is 3.4 dwt (gross). From an E

Size - 3 1/8" long and 1/4" wide with 17 octagon shaped mountings 17 diamonds, weighing approximately 1.76 carat total weight with a "VS1 to VS2" clarity range and "E-F-G" color range

Jewelry. Includes a platinum mounted elongated jade pendant as a brooch accented by terminating panels of rose cut diamonds - with a 14kt gold post; and a pair of 14kt yellow gold mounted carved scara

Estate 14kt yellow gold and platinum brooch, Cartier, serial number 833, modeled as a Bluebonnet flower stem, with gold wire leaves, (eleven) blue sapphires, approx 3.60cttw, (twenty) diamonds, approx

Platinum double clip/brooch inlaid throughout with bands of single cut diamonds, (6) straight diamond baguettes, and (1) square cut diamond. Clip backings, and optional brooch backing are 14kt white g

14KT white gold and platinum Art Deco brooch pendant necklace. The pendant has a .15 ct center diamond and is accented by emerald colored green stones. It can be worn as a brooch or a pendant. It incl

Includes a 14kt white gold and amethyst briolette pendant with diamond accents and trefoil of diamonds to bail, on a 14kt white gold chain; and a platinum brooch with central oval cut amethyst with a

A flower-shaped gold brooch and a platinum pendant with diamonds, circa 1920Brosche in Form einer Blume, 14kt Gelbgold, 39 Diamantrosen, eine Diamantrose, Länge 4 cm, Gewicht 6,33 g. Art-Deko-Pla

Platinum and Diamond Dress Clips, c. 1950s, designed as a bow set with full- and baguette-cut diamonds, approx. total wt. 6.00 cts., each lg. 1 3/8 in., with 14kt white gold armature for brooch conver

Antique platinum bar pin displaying (12) Old Mine cut diamonds. Diamonds average approx. 3.5mm x 2.5mm. With a 14kt yellow gold brooch backing. Total approx. weight of the brooch is 3.7 dwt (gross). F

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.