TIFFANY & CO., A DIAMOND CIRCLE BROOCH, 1940S in platinum, designed as an open circle set throughout

TIFFANY & CO., A DIAMOND CIRCLE BROOCH, 1940S in platinum, designed as an open circle set throughout with old European cut diamonds, the diamonds all totalling 4.3-4.5 carats, signed Tiffany & Co., no

A gold, platinum, tourmaline, diamond, and turquoise brooch, Tiffany & Co. Schlumberger designed as a textured 18K gold salamander set throughout with emerald-cut tourmalines, platinum dactyly set wit

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

JEWELRY: Art Deco Diamond & Sapphire Circle Brooch, tested platinum Art Deco open circle brooch with milgrain, diamonds, and natural sapphires. Containing 28 bead- set transitional cut diamonds with a

Platinum open circle brooch, set with baguette and round diamonds - approx. 2.40ctw. Brooch is 30mm in diameter. Marked: Maker's Mark Irid. Plat. Weight - 8.5 grams.

Platinum circle brooch with bow, set throughout with single and old mine-cut diamonds totalilng approximately 2.00 cts., graded G-H color and SI clarity, 7.5 gms gross, est: $600/800

Title: Vintage Tiffany & Co. 3ctw Fine Diamond 0.75ctw Natural Ruby Platinum Art Deco Circle Pin Brooch Description: Signed Tiffany & Co. platinum circle pin featuring approx. 3.0ctw of the fieriest

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

Art Deco Platinum and Diamond Circle Broochthe circle brooch designed in a wreath motif and bead set with full cut round, transitional, and single cut round diamonds weighing approximately .65 total c

This is a lovely authentic vintage retro brooch or pendant from Tiffany & Co. it is crafted from solid 18k yellow gold in a high polished finish, the design is an open circle with a sailor knot at the

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

Title: 1940s Retro Tiffany & Co. Yellow Gold Eternity Circle Brooch Description: Product details: The brooch is designed by Tiffany and Co. It is made out of 14 karat yellow gold with striped pattern

A Tiffany & Co. Platinum, Gold, Mother of Pearl and Pearl Cufflink and Stud Set Circa 1905. Designed as a circle of mother of pearl with a pearl in the center, framed by chiseled platinum on a 14K gol

Platinum, Synthetic Sapphire, and Diamond Bar Brooch the open-work bar brooch centering a bezel-set circle-cut synthetic sapphire measuring approx. 6.36 x 4.46 mm. and weighing approx. 1.55 cts., furt

Metal : Platinum/ Gold stem Designer : Not Signed Gemstone : Diamonds approx. 2.00ctw Measurements : Brooch is 30mm in diameter Marked: : Tested plat/Gold Weight: 5.6 grams

AN ANTIQUE GARNET BROOCH designed as an open circle, set with a row of rose cut garnets, marked indistinctly, 2.0cm, 2.1g.

Platinum circle brooch set with sixteen diamonds of various sizes, approx. 3 to 4 carats of diamonds and 2 emeralds approx. 1 carat. In good condition.

A Ruby & Diamond Circle Brooch. Platinum mounting contains 36 prong set round brilliant diamonds and 36 round rubies. The total diamond weight is approximately 1.80 carats. The diamonds are approximat

Authentic! Tiffany & Co 18k Yellow Gold Large X and O Open Circle Pin Brooch Authentic! Tiffany & Co 18k Yellow Gold Large X and O Open Circle Pin Brooch Product Description About This Piece: Metal: 1

This is a vintage Tiffany & Co. 14K gold scalloped circle brooch pin featuring 12 prong set rubies. Accompanied by the original Tiffany Box 1 3/8" diameter. 11.3g. The rubies are each about 2.4mm diam

TIFFANY & CO. PLATINUM & .56 DIAMOND, HALF CIRCLE RING:3.0mm band ring. .56ct total weight, G-color, VS-clarity. Ring size 6.5. TW.4.5 gr. Original box and Tiffany & CO paper work including. / see pho

METAL: platinum, 14k gold. GEMSTONES: diamonds-approx. 0.90ctw. MEASUREMENTS: brooch is 29mm in diameter. MARKED: 14K, tested platinum. WEIGHT: 4.1 grams.Gemstones have not been graded for color and c

An Edwardian era pearl and diamond open circle brooch with six natural pearls measuring 4.4 mm to 6.38 mm. Encrusted with 24 round diamonds (unweighed) set in 14k white gold (stamped on back). Gross w

TIFFANY & CO., A RUBY AND DIAMOND FLOWER BROOCH in 18ct yellow gold, designed as a flower set with a round brilliant cut diamond in a cluster of round cut rubies, signed Tiffany & Co., st