1960's Platinum & 18kt. Gold Diamond Brooch 20cts.

Ladies estate platinum,18kt gold and diamond brooch, two interlocked circles set with approx 2.00 cts total weight diamonds of varied size, 1.5"l, 1"w, 6.7 grams (inclusive of diamonds) Start Price: $

Estate 18kt yellow gold (tested) brooch, thirty-eight square-cut, channel-set red stones (synthetic), twenty-seven diamonds in platinum-topped setting, two bezel-set diamond and pearl drops, approx 1

18kt White Gold, Platinum Top, Diamond Brooch Measuring (1.25") in diameter containing European cut diamonds in a floral design (H-SI2) approx. 2.46ct tdw, electronically tested, unsigned piece (9.6 g

Chinese jade platinum and 18kt white gold brooch with diamonds. Marked PLAT 18ct. Brooch measures 46mm length. Jade measures 28mm x 17mm. Total weight 4.5dwt.

18KT YELLOW GOLD AND DIAMOND BROOCH C.1960 W 2 3/4" L 1 1/2":Marked "750". Studded with 40 full cut diamonds weighing 2 cts.; 33 grams of gold. Circa 1940.

Pendant. Large 18kt yellow gold handhammered pendant or brooch suspending an oval form platinum pendant with a central prong-set oval faceted colored gem, most surely a ruby, with a surround of surrou

Antique black opal cameo set atop onyx set in platinum and 18kt white gold with diamonds. Width 1 3/8;; total weight 7.5 grams Condition: Two tight fissures in onyx at 12 and 6, perhaps intentional

DECO 18KT YELLOW GOLD DIAMOND/RUBY & ENAMELED JAGUAR BROOCH SIGNED ASCH GROSSBARDT, C. 1960, W. 30.6 GR., L. 2 3/4"

FRENCH DIAMOND, PLATINUM AND 18KT YELLOW GOLD PENDANT/BROOCHKnotted ribbon design with 41 round brilliant-cut diamonds, approx. 1.80 to 2.70mm, set in platinum. Approx. 1.95 carats total weight. Doubl

This impressive signed platinum ”Maltese Cross” brooch with 18kt yellow gold accents features an approx. 5.27 ct. medium slightly violetish blue sapphire cabochon bezel set into the center

18kt Yellow Gold and Platinum 0.35ctw Diamond & 0.75ctw Peridot Two Doves Brooch/Pin - 14 grams

Brooch. Platinum-topped 18kt yellow gold scroll form brooch displaying a central Old European cut diamond surrounded by Old European cut diamond accents. Largest OEC diamond measures approx. 5.8mm. St

Platinum and 18KT Gold Multi-Stone Brooch, Paloma Picasso for Tiffany & Co.the platinum X motif center bead set with round brilliant cut diamonds weighing approximately 1.06 total carats (F-G color, V

18KT Gold, Platinum, and Multi-Gemstone Brooch, signedthe carved amethyst urn with a gold and diamond accented base, the finely carved gemstone bouquet to include aquamarine, pink tourmaline, citrine,

Measuring approx. (1.06” x 0.45”) dual tone design, platinum pin with a removable 18kt yellow gold trim, featuring florets composed of sapphires, rubies and diamonds. (diamonds approx. G-H

18kt yellow gold with platinum views, spherical pearls of 3 mm. and brilliant and rose cut diamonds.11.1 grs

18kt Gold Brooches. Total approx. weight of two brooches is 8.1 dwt. From an extensive Brooklyn, NY collection. Dimensions: 1.625" x .375" and 1.25" diameter.

18Kt gold and diamond spray brooch, comprising 68 round diamonds weighing approximately 4.1 carats, G-H color, VS-SI clarity. Brooch measures 56.63 x 42 mm and weighs a total of 13 dwt.

METAL: 14k Gold/ Platinum. MEASUREMENTS: Necklace with the pendant attached is 19" long, pendant detaches and converts into a brooch - 46mm x 15mm. GEMSTONES; Diamonds approx. 3.00ctw. MARKED: Ir

METAL: platinum, 14k gold. GEMSTONES: diamond-approx. 0.13ct. MEASUREMENTS: brooch is 63mm long x 10.5mm at widest point. MARKED/TESTED: platinum,14K. WEIGHT: 3.7 grams.Gemstones have not been graded

PLATINUM 18K 7.40CT DIAMOND LADIES RING GIA J VS2 .91Ct Platinum & 18KT Gold 7.40ct Diamond Ladies Cocktail Ring which features a GIA certified emerald-cut center diamond weighing: 91pts. and measurin

PLATINUM 18K 7.40CT DIAMOND LADIES RING GIA J VS2 .91Ct Platinum & 18KT Gold 7.40ct Diamond Ladies Cocktail Ring which features a GIA certified emerald-cut center diamond weighing: 91pts. and measurin

Signed David Webb 18kt yellow gold and diamond brooch. Central pear-shaped diamond measures approx. 4.0mm x 5.0mm or approx. 0.35cttw. Stamped, "© WEBB ® 18K". Total approx. weight

18k gold and platinum butterfly brooch by Marlene Stowe, with approx. 0.44ctw in diamonds. Brooch measures 60mm x 40mm. Marked: M. Stowe, 18k, Plat. Weight - 32.1 grams.