Antique Platinum Diamond Opal Pin

This is an antique lot of two stick pins composed of 14K gold and platinum featuring a large opal and a fleur-de-lis studded with single and Old European cut diamonds. The opal pin is 2 3/8" long and

An Antique 18K and Platinum Tie Pin with Stunning Lighting Ridge Black Opal with Distinguished Harlequin Pattern • Black Opal Measures 7mm x 10mm x 2.6 mm / 1.01 Carat Approx • Surrounded by

Antique platinum diamond pin, the Edwardian pin is fashioned of 14K yellow gold and faced with platinum. The center of the pin is decorated with intricate organic cutwork, outlined in delicate milgrai

Platinum brooch features approx. 1.20ctw in diamonds set in platinum. Brooch measures 31mm in diameter. Tested platinum. Brooch weighs 5.3 grams. Gemstones have not been graded for color and clarity ,

METAL: Platinum. MEASUREMENTS: Brooch is 3.5" long x 17mm wide. GEMSTONES: Diamonds approx. 69 stones total, combination of smaller rose and larger old mine mixed shaped stones. WEIGHT: 8.8 grams

The filigree design with three diamonds estimated at approximately .50 carats each with eight .10 carat accent diamonds, estimated 2.30 CTTW, unmarked, tests for platinum. Measures .75 x 2.75 inches,

Antique platinum bar pin displaying (12) Old Mine cut diamonds. Diamonds average approx. 3.5mm x 2.5mm. With a 14kt yellow gold brooch backing. Total approx. weight of the brooch is 3.7 dwt (gross). F

METAL: 18k Gold, Platinum. GEMSTONES: Center diamonds approx. 0.13ctw. Rose cut diamonds. MEASUREMENTS: Brooch/Pin is 70mm x 6mm. MARKED/TESTED: 750, Platinum. WEIGHT: 4.8 grams.Gemstones have not bee

METAL: Platinum. MEASUREMENTS: Brooch is 44mm x 17mm. GEMSTONES: Sapphire, Emerald, Diamonds approx. 0.70ctw. MARKED: 8990P. WEIGHT: 5.1 grams.Gemstones have not been graded for color and clarity ,and

METAL: Platinum/ 18k Gold. MEASUREMENTS: Brooch is 69mm x 21mm. Chain is 3.75" long (with safety pin). TESTED: Plat top/ 18k gold. WEIGHT: 13.9 grams.Gemstones have not been graded for color and

METAL: Platinum and 14k Gold. GEMSTONES: Old mine cut diamonds approx. 0.84ctw (center diamond approx. 0.62ct). MEASUREMENTS: Brooch is 38mm x 11mm wide. TESTED: Plat, 18k. WEIGHT: 3.7 grams.Gemstones

Vintage from the 1920s Length: 2.5 Inches Materials: Platinum Style: Art deco Recycled Description Solid platinum genuine diamond bar pen measuring two. 5 inches with magnificent hand done open scroll

METAL: Platinum. Stem is not gold. GEMSTONES: Diamonds approx. 0.10ctw. Pearls. MEASUREMENTS: Brooch is 48mm x 45mm. TESTED: Platinum. WEIGHT: 9.8 grams.Gemstones have not been graded for color and cl

METAL: 18k Gold/ Platinum. MEASUREMENTS: Pin is 38mm x 8mm. GEMSTONES: Rose cut diamonds approx. 15 stones. TESTED: 18k/ Plat. WEIGHT: 1.4 grams.Gemstones have not been graded for color and clarity, a

Ca. first quarter 20thC. Excellent original condition with three 3 1/2mm center full cut diamonds, set among forty-six 1mm mine cut diamonds placed diagonally within the checkered interior. The border

Antique Estate Gold Diamond Opal Enamel Pins. Yellow gold and gold filled with enamel ,diamonds, opal, turquoise, seed pearl. Longest measures 3 inches in length.

Item: Ladies Antique 1940's Platinum & Diamond & Ruby Pin Brand: Unbranded Metal Purity: platinum Gemstones: Diamonds, Rubies Carat Weights: 1.20 ct diamonds TW, .64 ct rubies TW Size: 2 3/4" x 1" Mou

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 58mm x 4.8mm. Comes with box. GEMSTONES: Old mine and rose cut diamonds approx.1.00-1.20ctw. TESTED: 18k/ Plat top. WEIGHT: 3.8 grams.Gemstones have

Metal : Gold back/Platinum Top Designer : Not Signed Gemstone : Demantoid garnets, Diamonds Measurements : Pendant is 25mm x 25mm Marked: : Tested plat/gold Weight: 10.1 grams

METAL: 18k Gold/ Platinum. MEASUREMENTS: Pin is 50mm x 10mm. GEMSTONES: Rose cut diamonds approx. 30 stones. TESTED: 18k/ Plat. WEIGHT: 2.2 grams.Gemstones have not been graded for color and clarity,

Ring size 6 1/4, ring top is 19mm x 13mm. Set with two 5.3mm opals and approx. 0.20ctw in diamonds. Marked: 18k plat. Weight - 5.8 grams.Gemstones have not been graded for color and clarity ,and teste

This is an antique Art Deco bar brooch pin/pendant rendered in fine 14K white gold. The filigree brooch features 21 Old European cut diamonds of VS-SI clarity and HI color. It is 2 1/2" long and it we

METAL: 18k gold, platinum. GEMSTONES: rose cut diamonds, red gemstones. MEASUREMENTS: pin is 50mm long x 5.4mm at widest point. MARKED/TESTED: 18C, tested platinum. WEIGHT: 2.9 grams.Gemstones have no

This is an antique large lingerie pin dating to around the turn of the century. Rendered in fine 14K yellow gold, this pin is topped in platinum and features an antique transitional cut diamond. The c