Sold2022Art Deco Rock Crystal Platinum Brooch with Single Cut DiamondsArt Deco Rock Crystal Brooch with single cut diamonds, Emerald, Ruby, Ametrine set in platinum. Gems Cabochon cut, diamond full cut. Gems tested by jeweler. small ametrine missing on one side. PleaseSee Sold Price
Sold2022ART DECO ROCK CRYSTAL, ENAMEL AND DIAMOND BROOCH,ART DECO ROCK CRYSTAL, ENAMEL AND DIAMOND BROOCH, CIRCA 1925 Of geometric design, the openwork square rock crystal plaque accented by black enamel bands and single-cut diamonds, between pierced, similSee Sold Price
Sold2021Art Deco Platinum Rock Crystal Diamond Ruby BroochApparently unmarked, containing center bezel set round diamond. Slight Chip to Rock Crystal. Weight appx. 1.35carat, pave set diamonds, total weight appx. 2.58carat, 50 small calibre cut rubies, totalSee Sold Price
Sold2021Art Deco Diamond, Emerald, Platinum Brooch StonArt Deco Diamond, Emerald, Platinum Brooch Stones: European and single-cut diamonds weighing a total of approximately 2.95 carats; square and rectangle-shaped emeralds weighing a total of approximatelSee Sold Price
Sold2021CARTIER, IMPORTANT ART-DECO ROCK CRYSTAL AND DIAMONDCARTIER, IMPORTANT ART-DECO ROCK CRYSTAL AND DIAMOND BROOCH, set with 5 larger old cut diamonds and smaller diamonds totalling approx. 4.70 ct. The 2 sides set with carved rock crystal in trapezium shSee Sold Price
Sold2022Art Deco Rock Crystal, Gold, Platinum, Enamel and Diamond Cigarette Case, FranceArt Deco Rock Crystal, Gold, Platinum, Enamel and Diamond Cigarette Case, France 18 kt., black and white enamel, rose-cut diamonds, with maker's mark and French assay marks, c. 1920. 3 3/8 x 1 3/4 x 1See Sold Price
Sold202211006: Art Deco Diamond, Platinum Brooch Stones: BagueArt Deco Diamond, Platinum Brooch Stones: Baguette, transitional, and single-cut diamonds weighing a total of approximately 2.45 carats Metal: Platinum Theme&colonSee Sold Price
Sold2023Art Deco Diamond, Emerald, Platinum BroochArt Deco Diamond, Emerald, Platinum BroochCentering a marquise-shape diamond weighing approximately 0.50 ct., accented by one hundred fourteen marquise, pear, round brilliant and single-cut diamonds wSee Sold Price
Sold2022Art Deco Platinum & Diamonds Bird BroochArt Deco Brid Brooch crafted in Platinum, set with Single Cut Diamonds weighing Approx. 1.25 carats. Along with one tiny Ruby. Measurements: 1.4 x 1.1 inches. Weight: 8.3 gramsSee Sold Price
Sold202255173: Art Deco Natural Pearl, Diamond, Platinum BroochArt Deco Natural Pearl, Diamond, Platinum Brooch Stones: Mine, European, and single-cut diamonds weighing a total of approximately 3.00 carats; rose-cut diamoSee Sold Price
Sold2022Carved Rock Crystal, Platinum and Diamond Circle BroochCarved Rock Crystal, Platinum and Diamond Circle Brooch Circular beveled chipped rock crystal dia. ap. 35 mm., 6 baguette and 62 single-cut diamonds ap. .85 ct. CSee Sold Price
Sold2019* An Art Deco Platinum and Diamond Bar Brooch, 5.80* An Art Deco Platinum and Diamond Bar Brooch, containing one old European cut diamond weighing approximately 0.23 carat and 28 old European and round single cut diamonds weighing approximately 1.35 cSee Sold Price
Sold2023Art Deco Platinum and Diamond Circle BroochArt Deco Platinum and Diamond Circle Broochthe circle brooch designed in a wreath motif and bead set with full cut round, transitional, and single cut round diamonds weighing approximately .65 total cSee Sold Price
Sold2022Art Deco Platinum and Diamond Bar BroochArt Deco Platinum and Diamond Bar Broochthe shaped bar brooch set with old European and single cut round diamonds weighing approximately 1.33 total carats (H-I color, VS-SI clarity) and with syntheticSee Sold Price
Sold2020An Art Deco diamond and platinum brooch, circa 1930An Art Deco diamond and platinum brooch circa 1930 designed as a dimensional ribbon bow set with single and old mine-cut diamonds, suspending articulated step-cut diamond fringe, terminating in old miSee Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & SAPPHIRE BAR BROOCHcentering one round brilliant cut diamond [K/VS2] weighing approximately 0.92 carats total; 104 single and full cut diamonds [G-H/VS1-VS2] weighing approximately 1.40 carats total; 22 round cut and roSee Sold Price
Sold202255192: Art Deco Diamond, Sapphire, Synthetic Sapphire, Art Deco Diamond, Sapphire, Synthetic Sapphire, Platinum Pendant-Brooch Stones: European and single-cut diamonds weighing a total of approximately 2.80 carats; FrenSee Sold Price
Sold2019Art Deco brooch gold / platinum, approx. 0.87 ct.With yellow golden pin - 37 old European cut / single cut cut diamonds (1x approx. 0.35 ct., 2x approx. 0.09 ct. (Old European cut) and 34x approx. 0.01 ct. (Single cut) in a platinum setting). ClaritSee Sold Price
Sold2018* An Art Deco Platinum, Diamond, Onyx and Emerald Bar* An Art Deco Platinum, Diamond, Onyx and Emerald Bar Brooch, French, containing 133 old European and round single cut diamonds weighing approximately 2.70 carats total, 36 calibre cut onyx, and eightSee Sold Price
Sold20161.50 CTW Diamond & Platinum Deco Bow BroochDESCRIPTION: Tested 90% platinum Art Deco bow brooch set with forty-nine round full and single cut diamonds of .02 to .06 carat each. Clarity SI to I1, color I-J. Approximately 1.50 ctw. Also set withSee Sold Price
Sold2018Rock Crystal & Diamond Pendant & Chalcedony broochAn Art Deco Rock Crystal & Diamond Pendant & a Victorian Chalcedony Brooch. Filigree pendant, c. 1925, centered by carved rock crystal and single diamond hung from a 14 kt white gold necklace, togetheSee Sold Price
Sold2018Cartier Art Deco Platinum Photo CharmA double-sided round crystal picture frame crafted in platinum, set with single-cut diamonds, weighing a total of approximately 0.25 carat; diameter measures 1/2 inch; weight 3.10 g.Signed: CARTIERSee Sold Price
Sold2016An Art Deco platinum, diamond and sapphire broochCirca 1920, centering an old mine cushion-cut diamond gauged at approximately 1.50cts. and graded I-J color and SI clarity surrounded by ninety-two single and full-cut round diamonds totaling approximSee Sold Price
Sold2022A FRENCH ART DECO DIAMOND CLIP BROOCH in platinum and 18ct white gold, designed as a shield, setA FRENCH ART DECO DIAMOND CLIP BROOCH in platinum and 18ct white gold, designed as a shield, set with shield, baguette, emerald, and single cut diamonds all totalling 3.0-3.5 carats, French assay markSee Sold Price
3 days LeftHeritage Auctions55213: Art Deco Diamond, Platinum, White Gold Double-CUS$4,000(1 bid)
1 day LeftSeized Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch PinUS$1
6 days LeftFederal Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch PinUS$1
3 days LeftHeritage Auctions55209: Art Deco Emerald, Diamond, Platinum, White GoldUS$2,400
3 days LeftHeritage Auctions55269: Cartier Art Deco Diamond, Multi-Stone, Enamel, US$3,000
3 days LeftHeritage Auctions55222: Art Deco Diamond, Platinum, White Gold Clip-BroUS$8,000
May 21Sworders Fine Art AuctioneersA French Art Deco platinum and diamond bombé ring,£1,600(1 bid)
11 hrs LeftSeized Assets AuctioneersArt Deco Platinum 0.50 ctw Old European Diamond Engagement RingUS$1
3 days LeftHeritage Auctions55186: Diamond, Opal, Rock Crystal Quartz, Platinum NeUS$3,000
3 days LeftHeritage Auctions55211: Art Deco Diamond, Platinum Ring Stones: EuropeaUS$4,000