Sold2018ART DECO 7.76CTTW DIAMOND & PLATINUM BROOCH / CLIPEstate 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,See Sold Price
Sold2020Art Deco 1930s Platinum Diamond Pearl BroochMETAL: Platinum. MEASUREMENTS: Brooch is 45mm x 26mm. GEMSTONES: Pearls - 6mm - 6.5mm. Diamonds apron. 1.80-2.00ctw. MARKED: Engraving "Uncle Frank to Betty 1939". WEIGHT: 13.8 grams.GemstonSee Sold Price
Sold2022Bulgari, Star ruby, diamond, and platinum ringBulgari Star ruby, diamond, and platinum ring Set with an oval cabochon star ruby weighing approx. 3.23 cts, flanked by baguette-cut diamonds ; 1930s Platinum Signed Bulgari Ring size 6; Gross weighSee Sold Price
Sold2024Art Deco Platinum Diamond Bar Brooch PinMetal : Platinum/ 14k Gold hardware Designer : Not Signed Gemstone : Diamonds approx. 1.50ctw. Measurements : Brooch is 65mm x 4.4mm. Marked: : Tested plat, 14k. Weight: 4See Sold Price
Sold2021ART DECO SAPPHIRE AND DIAMOND BROOCH, 1930S inART DECO SAPPHIRE AND DIAMOND BROOCH, 1930S in platinum, designed as a bow, pave-set with circular-cut diamonds, accented with calibre-cut sapphires, estimated total diamond weight 12.00-14.00 carats,See Sold Price
Sold2022Vintage Tiffany & Co. 3ctw Fine Diamond 0.75ctw Natural Ruby Platinum Art Deco Circle Pin BroochTitle: 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 fieriestSee Sold Price
Sold2021DIAMOND BROOCH, 1930S of bar design in the Art DecoDIAMOND BROOCH, 1930S of bar design in the Art Deco style, centred on a geometric arrangement of millegrain-set circular-cut and baguette diamonds, mounted in platinum and white gold, length 57mm, staSee Sold Price
Sold2023GIA Natural Akoya Pearl 1ctw Old Euro Diamond Platinum Filigree Signed Numbered Art Deco BroochTitle: GIA Natural Akoya Pearl 1ctw Old Euro Diamond Platinum Filigree Signed Numbered Art Deco Brooch Description: A genuine Deco era platinum filigree bar pin featuring a row of rare, beautiful siSee Sold Price
2020Art Deco Krementz Green Jade Diamond Platinum PinSigned Krementz art deco gemstone brooch. Features a platinum topped pin backed with 14k gold, and embellished with a pair of diamonds flanking an apple green jade measuring 15mm x 11mm. Total diamondSee Sold Price
Sold2022Black, Starr & Frost, Art Deco diamond broochBlack, Starr & Frost Art Deco diamond brooch Set with old European-cut diamonds Platinum Signed B.S & F 2 x 0.125 in; Gross weight 5.9 dwtsSee Sold Price
Sold2022Art Deco Platinum Diamond BroochArt Deco Platinum Diamond Brooch Weighing 15.1 grams Set with 135 Diamonds weighing app. 9.00 Ct. E-G Color, VS1-SI2 Clarity 2.25 x 1 inchesSee Sold Price
Sold2020Art Deco Platinum Diamond Brooch PinArt Deco platinum brooch/pin decorated with mixed cut diamonds. Center stone- Old European cut diamond-approx. 0.79ct (VS2/I), two side stones-Old European cut diamonds-approx. 0.55ctw (SI1-SI2/I-J),See Sold Price
Sold2023Art Deco Platinum Diamond Brooch PinMETAL: Platinum. GEMSTONES: Diamonds (one stone is missing) - approx. 3.00ctw. MEASUREMENTS: Brooch is 63mm x 29mm. TESTED: Plat. WEIGHT: 11.9 grams.Gemstones have not been graded for color and claritSee Sold Price
Sold2023Art Deco Platinum Diamond Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 35mm x 17mm. GEMSTONES: Diamonds approx. 1.40ctw (center stone approx. 0.40-0.44ct). TESTED: Plat top. WEIGHT: 7.7 grams.Gemstones have not been graded for colSee Sold Price
Sold2016Art Deco Platinum Diamond Brooch PinBrooch measures 46mm x 22mm. Decorated with approx. 2.00ctw diamonds. Top tested plat. Weight - 10.7 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancSee Sold Price
Sold2022Art Deco Platinum Diamond Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 45mm x 19mm. GEMSTONES: Diamonds approx. 3.00ctw, old mine cuts. TESTED: Plat. WEIGHT: 8.1 grams. Gemstones have not been graded for color and clarity ,and tesSee Sold Price
Sold2020Art Deco Platinum Diamond Brooch PinMETAL: Platinum. GEMSTONES: old mine and rose cut diamonds approx. 263 stones., center stone is approx. 0.70ct. MEASUREMENTS: Brooch is 57mm x 40mm. TESTED: Platinum. WEIGHT: 18 grams.Gemstones have nSee Sold Price
Sold2015Art Deco Platinum Diamond Brooch PendantBrooch measures 70mm x 7mm. Diamonds - approx. 0.80-0.90ctw. Tested plat. Weight - 7.3 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unlessSee Sold Price
Sold2022Art Deco Platinum Diamond Brooch/ClipsArt Deco Platinum Diamond Brooch/Clips Weighing 28.8 grams Set with 108 Diamonds weighing app. 12.00 Ct. F-H Color, VS1-SI1 Clarity 2 Inches in lengthSee Sold Price
Sold2021Art Deco Platinum, Diamond & Emerald Brooch / PinArt Deco platinum, diamond, and fine emerald brooch / pin, composed of fifty-one mixed-cut diamonds including baguette and round brilliant-cut diamonds; approx: 5.50 ct tw., color: H-I, clarity: VS2 -See Sold Price
2022Art Deco Platinum Diamond & Ruby BroochMetal: Platinum Weight: 9 Grams Stone: Diamond, Ruby Carat: 0.50ct (center diamond), 3ctw (accenting diamond), 0.88ctw (ruby) Size: 3/4in x 2in Description: Features round cut Diamonds with custom cutSee Sold Price
Sold2022Art Deco French Platinum Diamond BroochArt Deco French Platinum Diamond Brooch Weighing 21.9 grams Set with app. 9.50 Ct. of Diamonds E-G Color, VVS-VS Clarity 2 inches in lengthSee Sold Price
Sold2021ART DECO PLATINUM & DIAMOND PLAQUE BROOCHcontaining two old European cut diamonds [H-I/I] weighing approximately 0.55 carats total; 120 old European cut diamonds [I-J/SI] weighing approximately 5.90 carats total; and 18 baguette cut diamondsSee Sold Price
Sold2021Art Deco Platinum and Diamond BroochDESCRIPTION: An Art Deco style brooch composed of Platinum decorated with a series of Old European cut and baguette cut diamonds, .60 Large Stones VS/SI (H-I) Color. The Baguettes in graduating size 0See Sold Price
2 days LeftBonhamsVAN CLEEF & ARPELS: A SET OF PLATINUM AND DIAMOND CLIP BROOCHES, CIRCA 1935US$12,000