J.E. CALDWELL & CO., PLATINUM AND DIAMOND BROOCH

J.E. CALDWELL & CO., PLATINUM AND DIAMOND CONVERTIBLE DRESS CLIPS Consisting of two platinum clips containing straight baguette, round brilliant, and single cut diamonds weighing approximately 5.00 ca

Ca. first quarter 20thC. Amazing quality throughout with 68 clear Columbian emeralds and 82 clear full cut diamonds surrounding the large central EVS1 diamond. Weight approx. 12.9 Grams. Measures appr

Platinum over gold with Old Mine and Old European cut diamonds, with original presentation box. Dimensions: 1 1/6" x 1 1/16" , 1.00 ct. total diamond weight, 5.1 grams total approximate weight. Proven

Very find early circa 1915 "J.E. Co." signed natural 18" pearl necklace with platinum clasp holding 12 small diamonds with central marquise diamond. Pearl excellent color and luster.

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

J.E. Caldwell Platinum diamond and akoya cultured pearl earrings, with a unsigned matching graduated 9mm – 10mm pearl necklace with 14K white gold clasp. Provenance: From a local collection. Ear

METAL: Platinum. MEASUREMENTS: Brooch is 30mm in diameter. GEMSTONES: Diamonds approx. 0.80ctw. Comes with brooch. MARKED: Tiffany & Co, pt950. WEIGHT: 8 grams.Gemstones have not been graded for c

VINTAGE TIFFANY & CO. 3ct PLATINUM BROOCH PIN Brooch measures 1.85" H x 1.75" W Vintage Tiffany & Co. Platinum 3ct Diamond bow brooch with filigree design Center diamond apx 0.50ct Emerald cut Super c

Circa 1890's Art Nouveau antique Tiffany and Co platinum brooch having 4ctw old mine cut diamonds(Clarity:VS-SI/Color:E-H) with an onyx inlay and 18K yellow gold clasp/pin. Stamped 18K on clasp, engra

J.E. CALDWELL, EDWARDIAN, DIAMOND BAR BROOCH Containing one old mine cut diamond weighing approximately 0.85 carat and 15 old mine cut diamonds weighing approximately 0.90 carat total. Mounted in plat

set with seven sapphires and 10 diamonds signed "Tiffany & Co." 1 3/4" long, 3.3 dwt gross

Art Deco dreicer & Co platinum bow brooch set with approx. 0.66ctw in rose cut diamonds and onyx. Some onyx stones are chipped. Brooch is 53mm x 12mm. Marked: Dreicer & Co, tested Platinum. Weight - 7

Tiffany and Co 18K Gold and Platinum brooch. The brooch is made in the shape of a flower and encrusted with diamonds. Marked with standard Gold and Platinum hallmarks, Tiffany and Co copyright, on the

Marcus & Co. Platinum, Gold, Amethyst and Diamond Brooch One lozenge-shaped amethyst ap. 27.0 x 18.0 x 9.7 mm., rose-cut diamonds, signed M & Co., c. 1915, ap. 8.2 dwts. C

Art Deco platinum and old mine-cut diamond brooch, 4.2 dwt. inclusive. [1 7/8" L].

TIFFANY & CO. Platinum, Diamond, and Sapphire Pendant/Broochthe circle brooch featuring a row of round brilliant-cut diamonds weighing approx. 3.10 tcw. and a row of channel-set baguette-cut sapphires

FINE TIFFANY & CO. PALOMA PICASSO 18KT/PLATINUM/DIAMOND BROOCH, C. 1980/90, WEIGHT 12.7 GRAMS

Tiffany & Co., Schlumberger Gold, Platinum and Diamond 'Ibex' Brooch 18 kt., round diamonds ap. 1.25 cts., one pear-shaped ruby eye, signed Tiffany & Co., Schlumberger, ap. 13.8 dwts. With signed box.

Title: Tiffany & Co 1996 Platinum Diamond Emerald Eye Frog Brooch 1.91ctw Description:Tiffany & Co 1996 Platinum Diamond Emerald Eye Frog Brooch 1.91ctw Here are the specifications: Ty

Metal : 18k Gold and Platinum Designer : Paloma Picasso for Tiffany & Co Gemstone : Diamonds approx. 0.20ctw Measurements : Brooch is 56mm x 15mm Marked: : Tiffany & Co Pt950 750, Paloma Pi

Tiffany & Co., Schlumberger Gold, Platinum and Diamond Clip-Brooch The curved layered petals tipped by a diamond-set terminal and opening into an 'en tremblant' center of round diamond-set sprays, tot

Title: Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ctw Description:Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ct

This Tiffany & Co. brooch pin is crafted in solid platinum, weighs 12.7 grams, and measures 1.6 inches x 1.5 inches. Depicting a fanciful sculptured profile of a hummingbird, the delicate pin brooch i