Platinum & Diamond Estate Brooch

Edwardian Platinum and Yellow Gold 2.5 Carat Total Weight Round Cut Diamond Estate Brooch with 1- 3/8 Carat Center Stone, 1/4 Carat of Stone on Each Side and 1 Carat of Accent Stones. Measures 2 inche

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

Platinum diamond inlaid circular brooch with applied diamond inlaid bow. Apparently unmarked. Total approx. weight is 5.4 dwt (gross). From a Greenwich, CT estate. Dimensions: brooch measures approx.

Platinum spray form brooch inlaid throughout with single cut diamonds. Total approx. weight is 9.8 dwt (gross). From a Garden City, NY estate. Dimensions: brooch measures approx. 3.45" w x 1.20&q

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

Estate Art Deco platinum (tested) diamond double-clip brooch, c. 1930s, approx 7.46cttw, two fur or coat clips with pin mechanism to combine into single brooch, featuring pierced work and milgraining,

Estate Lot of Platinum Jade & Diamond Art Deco Brooch & Ring. Oval Jadeite Flowered Brooch surrounded by platinum art deco motif with diamonds. The brooch measures W 2" x H 1". Art Deco Platinum Jade

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

This fabulous platinum & diamond brooch is stunning! The piece features a total of one hundred eighteen (118), prong set, round brilliant and round single cut diamonds and thirty-seven (37), channel s

METAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 2.70ctw, multi color pearls 10.5-12mm. MEASUREMENTS: brooch is 53mm long xm at widest point. MARKED: Dunay 18K. WEIGHT: 42.5 grams.Gemstones have

Circa 1920's; Total Gemstone weight 6.96ct; Scalloped filigree plaque set throughout with diamonds and synthetic sapphires. Largest diamond is .52ct; Appraisal upon request. 17.6 grams

METAL: platinum. GEMSTONES: diamonds, multi color stones. MEASUREMENTS: brooch is 73mm long x 86mm at widest point. MARKED: Petri 80% Plat. WEIGHT:ams.Gemstones have not been graded for color and clar

This is a gorgeous Estate brooch, crafted from 18k yellow gold featuring a rough textured design ribbon bow accented with diamonds on white gold prongs. Below the center of the bow is a floral design

METAL: Platinum. MEASUREMENTS: Brooch is 60mm x 38mm. GEMSTONES: Emeralds, Diamonds approx. 4.00ctw. TESTED: Plat. WEIGHT: 23.6 grams.Gemstones have not been graded for color and clarity ,and tested f

White platinum diamond ladies brooch with one 1.0ct center diamond VS1-2 clarity, F-G color, two 0.25ct round diamonds VS1-2 clarity, F-G color, two 0.07ct round diamonds, six 0.05ct round diamonds, t

METAL: Platinum. GEMSTONES: Diamonds approx. 3.00ctw. MEASUREMENTS: Brooch is 42mm x 33mm. has a hook on the bottom to attach a drop. TESTED: Plat. WEIGHT: 12.5 grams.Gemstones have not been graded fo

METAL: Platinum. MEASUREMENTS: Brooch is 58mm x 34mm. Center stone is missing, center will fit approx. 6.5mm stone. GEMSTONES: Diamonds approx. 3.00ctw. TESTED: Plat top/ Gold back. WEIGHT: 15.7 grams

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 85mm x 50mm, converts into two clips. GEMSTONES: Sapphires, Rose cut diamonds approx. 70 stones. TESTED: 18k/ Plat. WEIGHT: 41.4 grams.Gemstones have

Fully marked on back. In the Beaux -Arts taste, early 20thC. From the same estate as the matching ring (lot 36). Missing one emerald baguette. H 1 W 2 D 1/8 Weight 8 Grams Missing one emerald baguette

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

This ring is nearly identical in construction and detail to the signed Tiffany Brooch (lot 35). Both are from the same estate and could have possibly been resized; thus, eliminating a maker's mark. 4.

This is an adorable Estate brooch, crafted from 18k yellow gold featuring a 3D baby cheetah with marquise cut 60 points sapphire eyes and red enamel spots on fur like body and tail. The pointed tip ea

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