18kyg diamond brooch

Tiffany & Co. Jean Schlumberger platinum and 18k yellow gold "Star Fish" brooch designed with sixty-two diamonds, 1.28 carats total weight, appx. 2 3/4". 46.65gr. Signed "Tiffany Schlumberger 18K PLAT

This 1940s Vintage Cartier. Ruby & Diamond & Sapphire & Emerald Butterfly Brooch/Pin in 18K Yellow Gold features (7) pinkish-red round Rubies (3) green round Emeralds (5) blue round Sapphires and 29 r

18k yellow gold Tiffany & Co. brooch, stylized flowers with diamond centers, stamped "Tiffany & Co. 18KT", flowers measure14mm, 1 1/2" diameter, 19.93gr.

David Webb 17.20ctw Emerald & Blue Sapphire, 13.50ctw VS1-VS2/F-G Diamond Solid Platinum/18K Yellow Gold One of a Kind Convertible Brooch/Pendant (Comes W/$300,000 Appraisal) - This immaculately craft

DIAMOND BROOCH The octagonal old-cut diamond, weighing 4.29 carats, within a surround of cushion-shaped and old brilliant-cut diamonds, length 2.0cm

CARTIER, DIAMOND BROOCH Containing eight pear shaped diamonds and 108 baguette cut diamonds weighing approximately 11.00-12.00 carats total. Mounted in platinum. 1 1/2 x 1 1/2 inches. Stamp: CARTIER 1

An art deco un-heated Burma ruby and diamond brooch, width 4cm, rubies Est. 14ct, Wt. 16.7g. Together with certificate, stating total ruby Wt. Est. 14ct, origin Burma with no indication of heating.

A FINE ANTIQUE DIAMOND BROOCH set with an old mine cushion cut diamond of 4.00 carats in a cluster of old cut diamonds, accented by further old and rose cut diamonds to the openwork frame, the diamond

IMPRESSIVE DIAMOND BROOCH. set with diamonds totalling approx. 10 ct, with the center stone being approx. 2.45 ct. accompanied with an antique fitted box. L: 4.4 cm. W : 3.4 cm. 12 grams.

CARTIER, A VINTAGE CITRINE AND DIAMOND BROOCH, 1940s in 18ct yellow gold, designed as a floral cluster, set with emerald, pear and fancy cut citrines, accented by round cut diamonds, signed Cartier, n

AN EXQUISITE BELLE EPOQUE PINK TOPAZ AND DIAMOND BROOCH in yellow gold and platinum, set to the centre with a cushion cut pink topaz of approximately 7.35 carats, within two concentric borders of old

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

David Webb Rock Crystal and Diamond Brooch/Pendant 18k yellow gold/platinum, the brooch mounted with rock crystals beads on a gold frame, accented by round brilliant-cut diamonds weighing approximatel

IMPORTANT LARGE ART-DECO CUPPRIAN TOURMALINE AND DIAMOND BROOCH, the brooch of part openwork design, The centre section of rectangular design set with diamonds, and a cupprian tourmaline to the centre

IMPORTANT LARGE ART-DECO CUPPRIAN TOURMALINE AND DIAMOND BROOCH, the brooch of part openwork design, The centre section of rectangular design set with diamonds, and a cupprian tourmaline to the centre

TIFFANY & CO., SCHLUMBERGER, RUBY AND DIAMOND BROOCH Containing one oval cabochon ruby measuring approximately 8.00 x 6.00 mm and numerous round brilliant and marquise cut diamonds weighing approximat

IMPORTANT ANTIQUE NATURAL PEARL AND DIAMOND BROOCH, The brooch of openwork scrolling and guirland design, set with a central natural button shaped pearl of 15.72 ct. further set with 4 larger old cut

18K White Gold Old European Cut Diamond Brooch - 11.65 total carats of Diamonds. An Old European Cut Diamond is mounted in the center of the brooch. The Center Stone is 1.65 carat total with a clarity

Schlumberger Tiffany large diamond flower brooch with floating South Sea pearls. Stamped Tiffany/Schlumberger. Details and measurements: Center pearl:15.6 MM. Diamond: 15 CTTW. Weight: 59 G. Brooch me

Art Deco Platinum Sapphire and Diamond Brooch Item # 6953 Category Pins & Clips *Art Deco Platinum Sapphire and Diamond Brooch* Weighing 20.9 grams Set with 24 dangling diamonds weighing app. 4.70 Ct.

A 14K WHITE GOLD AND DIAMOND BROOCH, LEAFY CLUSTER SWIRL, 20TH CENTURY, with an overall paisley design, a central cluster of twenty-three marquise cut diamonds ranging in size from .16ct. to .25ct. we

Pearl And Diamond Brooch Stamped David Webb. 2 3/8 x 2 3/4. Platinum. Total Weight 56.7 Grams. Scroll Through All Photos To View Appraisal. Wire Transfer Or In-Person Cashier's Check Are The Only Acce

18K white gold, French, mid-century floral "en tremblant" brooch featuring diamond flowers and leaves, five diamond flowers on tremblers, well matched round, marquise and pear shape diamonds weighing

Georgian Iberian Colombian Emeralds and Old Mine Cut Diamond Brooch Circa: 1700s -1800s Emerald total weight approx. 8.5 ct Diamond total weight approx. 2.10 ct Measurements: 2.5" x 1.75" Total Weight