An eighteen karat gold, platinum, and diamond brooch,

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

Two 18K gold and diamond brooches One is designed as a circular foliate brooch set with old European-cut diamonds mounted in platinum topped eighteen karat gold; the other is designed as a bow set wit

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

French Eighteen-Karat Yellow Gold, Diamond and Ruby Brooch, the retro brooch designed as foliage and set with ten round brilliant-cut diamonds, with an approximate total weight of 0.45 carats, two rou

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

A diamond, platinum, and eighteen karat gold clip brooch designed as dimensional round brilliant-cut diamond petals with applied gold detail, centered by a diamond cluster; estimated total diamond wei

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,

DIAMOND, EIGHTEEN KARAT GOLD AND PLATINUM RING. The 18k yellow gold and platinum ring set with 36 round single-cut diamonds together weighing approximately 1.00 cttw. The ring weighs 13.5 grams and is

A platinum, eighteen karat gold, and diamond suite including a necklace, bracelet, and pair of earrings designed as square and cushion shaped matte finished platinum links accented with eighteen karat

A diamond, sapphire, eighteen karat gold, and platinum ring, Tiffany & Co.Schlumberger, "Sixteen Stone Ring"set with round brilliant-cut diamonds and circular-cut sapphires; estimated total diamond we

Vintage Tiffany & Co Schlumberger Studios Sixteen Round Brilliant Cut Diamond, Platinum and Eighteen Karat Yellow Gold Band. Diamonds D-E color, VVS clarity. Signed Tiffany, Schlumberger Studios, PT95

Tiffany 18k Frog Brooch 1.75''x1''. A lady's eighteen karat textured gold brooch with single diamond and ruby on arms. Bezel set emerald eyes. Clearly marked ''TIFFANY 18K'' on verso. It weighs 10.9 g

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

An 18K white gold and diamond brooch Italy designed as a rose pavé-set with round brilliant-cut diamonds; estimated total diamond weight: 6.50 carats, mounted in eighteen karat white gold. (24.3

An 18K yellow gold, sapphire, and diamond brooch, Tiffany & Co. designed as a leaf in eighteen karat yellow gold, set with a total of twelve sapphires and diamonds; estimated total diamond weight: 0.3

A diamond and eighteen karat gold broochdesigned as a bumble bee with round brilliant-cut diamond body and ruby eyes; estimated total diamond weight: 0.50 carat.3.9 dwt.; Length: 7/8 in.provenance:Fro

A group of gemstone and eighteen karat gold broochesincluding a circular-cut sapphire, yellow sapphire, ruby and diamond perched bird brooch; a circular-cut emerald, ruby and diamond bumble bee brooch

An 18K yellow gold, platinum, yellow sapphire, and diamond ring, Boris LeBeau designed as a tapering cigar band in eighteen karat yellow gold and platinum, centering a bezel set cushion-cut yellow sap

Blue and green enamel foliate motif centering full cut diamond cluster and full cut diamond accents; total diamond weight approximately 0.90 carat; in eighteen karat gold. L: 2 1/2 in.; Gross weight:

A Georgian diamond and eighteen karat gold pendant broochof filigree design, featuring a rose-cut diamonds set cross, joined by a heart-shaped surmount and a pear-shaped pendant set with rose-cut diam

Eighteen karats yellow gold and diamond set horse jockey pin. Round, baguette, and trillion cut diamonds are pave set across a jockey horse motif pin. It secures with a hinged pin stem and closure, te