Marcus & Co. Platinum, Gold, Amethyst and Diamond Brooch

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

Marcus & Co. Edwardian Diamond Crescent Brooch platinum/18k yellow gold, the brooch mounted with old European-cut and old single-cut diamonds weighing approximately 2.50 carats in total, signed "M & C

Title: Tiffany & Co. Schlumberger Persian Turquoise Amethyst 1.85ctw Diamond 18k Gold Platinum Butterfly Signed Numbered Brooch Description: A fanciful butterfly design made in platinum & 18k gold fea

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

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

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.

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

Including one brooch and a pair of earrings, each in a ribbon design with a wide band of small round brilliant cut diamonds pave set in platinum between raised yellow gold edges. Total of 62 diamonds

Metal : 18k Gold/ Platinum Designer : Tiffany & Co Gemstone : Diamonds approx. 0.05ctw Measurements : Brooch is 48mm x 32mm Marked: : Tiffnay & Co, Paloma Picasso, 750, pt950 Weight:

Attributed to Edward Everett Oakes Arts and Crafts Gold, Platinum, Diamond, Amethyst and Pearl Brooch The shield-shaped brooch of open-work scrolling grape vines set throughout with 5 oval and round a

Tiffany & Co., Paloma Picasso Gold, Platinum and Diamond 'Scribble' Brooch 18 kt., the polished scribble tipped by 9 platinum-set round diamonds ap. .20 ct., signed Tiffany & Co., Paloma Picasso, ap.

Retro 14K rose gold and platinum, amethyst and diamond double clip brooch, composed of two 18mm x 15mm emerald-cut amethyst and eight round single-cut diamonds, approx: 0.50 ct tw., color: H-I, clarit

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

This lot is accompanied by an Independant Gemologist Appraisal letterMarcus & Co style 18k gold emerald diamond and enamel, art nouveau antique brooch/pendant designed with one elongated, oval cabocho

An 18K gold, platinum, diamond, and ruby brooch, Tiffany & Co. Schlumberger, "Ibex" designed as an ibex with a pavé-set round brilliant-cut diamond head, a pear-shaped ruby eye, and ribbed gold h

Tiffany & Co., Paloma Picasso Gold, Platinum, Black Jade, Rubellite and Diamond Spider Brooch 18 kt., one oval cabochon black jade ap. 13.6 x 6.6 x 5.0 mm., one oval rubellite, 26 round diamonds ap. .

METAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 1.25ctw, ruby. MEASUREMENTS: brooch is 40mm in diameter x 47mm at widest point. MARKED: Tiffany Schlumberger 18K P. WEIGHT: 18.3 grams.Gemstones

METAL: 18K gold. platinum. GEMSTONES: diamonds-approx. 0.13ctw. MEASUREMENTS: brooch is 25mm x 26mm. MARKED: 750 Tiffany &Co, tested platinum. WEIGHT: 4.7 grams. Gemstones have not been graded for

Marcus & Co platinum ladies wrist watch set with diamonds, 20mm diameter case, the movement signed C.H. Meylan Brassus Swiss 5 adjustments, 18 jewels, #30752, the case stamped platinum 10798 together

An 18 carat gold platinum and diamond 'scribble' brooch by Paloma Picasso for Tiffany & Co., circa 1983, set with brilliant cut diamonds, approximately 0.10 carats total, signed Paloma Picaso, stamped

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.

Tiffany & Co. Schlumberger Apollo Pave Diamond Platinum Yellow Gold Pin Brooch Comes with C.O.A. ! Brand: Tiffany & Co. Collection: Schlumberger Style: Pin Brooch Condition: Pre-owned Diamond: 8 TCW M

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