18 Karat Gold and Platinum Diamond Brooch

An 18 Karat Yellow Gold, Platinum and Diamond Brooch, containing 15 round brilliant cut diamonds weighing approximately 0.75 carat total. Stamp: H 18K. 15.10 dwts.

VK ITOO DAVID WEBB 18 karat Yellow Gold Platinum Diamond Emerald Brooch A gorgeous vintage David Webb 18 karat gold brooch, featuring emerald and diamond. Designed as a swirled branch, this vintage Da

An 18 Karat Yellow Gold, Platinum and Diamond Squiggle Brooch, Paloma Picasso for Tiffany & Co., Circa 1983, containing 11 round single cut diamonds. Stamp: Paloma Picasso 1983 TIFFANY&CO 18K PLAT. 5.

Art Deco 18 Karat Yellow Gold, Platinum, Diamond and Ruby Bar Brooch Bezel set on the diagonal with four square French cut Diamonds [G/VVS], approximate total weight 2.05 carats, and enhanced with 16

An 18 Karat Yellow Gold, Platinum and Diamond Flower Clip Brooch, Italian, consisting of five stippled textured curved petals surmounted with platinum zigzag design plaques containing 63 round brillia

An Art Deco 18 Karat Yellow Gold, Platinum, Jade, Diamond and Seed Pearl Brooch, containing one pierced and carved jade bi measuring approximately 33.55 mm in diameter, six round single cut diamonds,

An 18 Karat Yellow Gold, Platinum, Amethyst, Diamond and Ruby Articulated Turtle Pendant/Brooch, containing one oval mixed cut amethyst weighing approximately 23.91 carats, seven round brilliant cut d

Large Approx. 5.75 Carat Round Brilliant Cut Diamond, Platinum and 18 Karat Yellow Gold Brooch. Diamonds E-F color, VVS clarity. Unsigned. Very good condition. Measures 2-1/2" x 1-3/4". Approx. weight

This exquisite Vintage large flower brooch is crafted in France in solid 18-karat yellow gold and platinum, weighing 28.3 grams and measuring 3" long x 2" wide. Simulating a flower with concave peatal

VK JEOO Late Victorian Diamond Sapphire 18 karat Yellow Platinum Gold Butterfly Brooch Lovely butterfly pin created in the beginning of 1900s. It makes a chic and stylish accent on your blouse, dress,

Brooch with floral designIn 18 Karat yellow gold and platinum on yellow gold, set with brilliant and rose-cut diamonds. The five most important diamonds weighing from 0,15 ct to 0,40 ct.Hallmark: none

Made in the shape of a rosette, with late Edwardian and Early Art-Deco patterns. This versatile pendant-brooch was carefully crafted in solid yellow gold of 18 karats with platinum tops for the diamon

10 karat cupid brooch with 14 Karat Wings weighs 8.24 grams, along with a stick pin set with three Diamonds [H/SI] of approximately .18 carats; 3.0 grams

stamped "David Webb"; containing pave-set diamonds equaling approximately 2.45 carats [F-G, VS2] 95.1 grams 2.2 x 1.6 inhes inside diameter, hinged; width: 1.5 inches

Center set with one Old European cut diamond [Fancy Light Brown/SI-2], approximately 0.72 carats, enhanced by six baguette cut diamonds [I-K/VS], total approximate weight 0.36 carats; size 6, weighs 5

An eighteen karat gold, platinum, and diamond brooch, McTiegue designed as a unicorn with pavé-set diamond body; estimated total diamond weight: 2.00 carats, accented by a blue enamel collar and ruby

A Retro 18 Karat Yellow Gold, Platinum, Diamond and Emerald Wristwatch, Gubelin, the bezel and lugs containing 28 round brilliant cut diamonds weighing approximately 0.84 carats total and six round mi

the diamonds weighing approx. 3.39 total carats [average G, SI] 10.5 grams 1 3/4 x 1 3/8 inches

Total weight: .62 ounces Lifetime collection of Carol and Robert (Rob) Kane, Oxford, OH.

Composition: 18k gold and platinum Period: Art Deco • 1 old mine cut diamond J-VVS1 0.70ctw. • 2 old mine cut diamonds J-SI1 0.15ctw. Ring size: 7 ½ Ring face: 14mm by 8mm by 8mm Total weight: 3.

One European cut diamond of I-SI2 quality that weighs 0.20ctw constitutes the central stone of this unique piece of jewelry. Handmade in 18k gold and platinum, this elegant ring displays 10 natural ca

This is a unique cross handmade in 18k gold and platinum. Original and amazing in design, this elegant piece of jewelry displays one European cut diamond that weighs 0.06ctw. Cross measure: 48mm by 25

An 18 Karat Yellow Gold, Platinum and Diamond Bracelet, Montreaux, unsigned, containing 72 round brilliant cut diamonds weighing approximately 2.55 carats total. Stamp: 18K. 101.80 dwts.

An 18 Karat Yellow Gold, Platinum and Diamond Ring, containing one old European cut diamond weighing approximately 1.24 carats, and two old European cut diamonds weighing approximately 1.60 carats tot