Sold2022BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white goldBOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the priSee Sold Price
Sold2016AGL Art Deco 1920s Platinum Ruby Diamond BroochMETAL: platinum. MEASUREMENTS: 54mm x 15mm. GEMSTONES: center stone is synthetic ruby - approx. 2.95ct. Surrounded with mixed natural and synthetic rubies and approx. 1.85ctw in diamonds. Comes with ASee Sold Price
Sold2024Art Deco 18k Gold Platinum Diamond Enamel Flower Bar BroochMETAL: 18k Gold/Platinum. GEMSTONES: Diamonds - rose and old euro stones. MEASUREMENTS: Brooch is 91mm x 15.3mm. TESTED: 18k/Plat. WEIGHT: 10.5 grams.Gemstones have not been graded for color and clariSee Sold Price
Sold2016Antique Art Deco Platinum Carved Jade Diamond BroochAntique Art Deco platinum brooch centering oval carved jade 38m x 16mm, framed by diamonds approx. 0.48ctw. Brooch measures 43mm x 18mm. Tested platinum. Weight is 7.2grams.Gemstones have not been graSee Sold Price
Sold2022Antique Platinum Art Deco Filigree Diamond Brooch Pin PendantThis 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 weSee Sold Price
Sold2022Royal Hussars Platinum, Diamond, & Enamel Sweetheart BroochDESCRIPTION: 10th Royal Hussars Ich Dien sweetheart military brooch composed of platinum and 18k gold with inset diamonds and enameling, completed by a retractable bail, pinstem, and catch on the reveSee Sold Price
Sold2023Magnificent Antique Platinum Diamond Love Birds Brooch with genuine rubies and emeralds 4ctwTitle: Magnificent Antique Platinum Diamond Love Birds Brooch with genuine rubies and emeralds 4ctw Additional Information: Vintage from the 1920s Length: 1.5 Inches Materials: Platinum Gemstone: DiamSee Sold Price
Sold20161920s Art Deco Emerald 1.95ctw Diamond Platinum BroochBrooch measures 41mm X 24mm. Old European and Old Mine diamonds measure a total approx. 1.95ctw. Marked plat. Weight- 7.2grams. Gemstones have not been graded for color and clarity ,and tested for claSee Sold Price
Sold2021Mint 1920s Art Deco 900 Platinum 3 Diamond Ring 5.25An Incredible Mint Condition Antique 1920s Art Deco 900 Platinum 3 Genuine Diamond Ring Size 5.25 in perfect condition, boxed.See Sold Price
Sold2022Platinum, Diamond, & Enamel Royal Sweetheart Military BroochDESCRIPTION: REC Sweetheart military brooch composed of platinum and 18k gold with inset diamonds and enameling, completed by a retractable bail, pinstem, and catch on the reverse. Stamped: "Platinum"See Sold Price
Sold2022Antique 1920s Art Deco 14K White Gold Filigree Diamond Brooch PinThis is an antique 14K white gold filigree brooch pin featuring an Old European cut diamond of VS clarity and GH color. 1 3/4" long and it weighs 2.5g. The diamond is 1.9mm.See Sold Price
Sold2023Antique platinum diamond dinner ringVintage from the 1920s . Materials: Platinum, Diamonds, Ring ladies, deco Antique platinum diamond ladies filigree dinner ring with 5 old minor diamonds H si1/2 and 2 baguette diamonds H si1 3 large oSee Sold Price
Sold2021Art Deco "Inverted Butterfly" Diamond BroochAntique American Art Deco "Inverted Butterfly" Diamond Brooch platinum, ca. 1920, S. Kind & Sons, Philadelphia, Pennsylvania, the Art Deco brooch in the form of an inverted butterfly, mounted with sinSee Sold Price
Sold2024Art Deco 0.91ct Diamond Ring in PlatinumAntique Art Deco, 1920s diamond engagement ring. This platinum, London made ring has a center old European cut diamond at 0.91 carats H color SI1 clarity, with the additional European cut side diamondSee Sold Price
Sold2019Antique Art Deco Gold Platinum Diamond & Ruby RingAntique Art Deco Gold Platinum Diamond & Ruby Ring. Antique C 1920s European yellow gold and platinum ring with rubies and diamonds. Ring size 7.25 can be resized.See Sold Price
Sold2024ART DECO PLATINUM AND DIAMOND BROOCH, 7.5gAn antique platinum pin brooch, featuring round, baguette, and trillion cut diamonds, testing platinum, with safety chain. L. 4cmSee Sold Price
Sold202018k Gold Platinum 2.50ctw Diamond Ruby Butterfly BroochAntique Retro Deco Large 18k Rose Gold & Platinum 2.50ctw Diamond & Ruby Butterfly Dress Clip Brooch Description:A ca. 1940s 18k rose gold & platinum dress clip in an elaborate butterfly motif encrustSee 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
Sold2022Art Deco Diamonds, Platinum & 18k Gold Car Pin BroochCirca 1920s. Art Deco Car Brooch crafted in 18k yellow Gold and Platinum on top, accented with Rose cut Diamonds. Along with one natural Round cut Emerald. Weight: 5.4 grams. Measurements: 1.2 x 0.6 iSee Sold Price
Sold2022Platinum Art Deco Diamond BroochLadies platinum Art Deco brooch featuring an old mine cut diamond approximately 0.56 carats, Clarity-SI1, Color-H, accented by 72 round brilliant diamonds approximately 2.20 carats, Clarity-VS2, ColorSee Sold Price
Sold2022Vintage Platinum 3.5tcw Diamond Circle Brooch PinThis is an elegant vintage circle brooch pin rendered in fine platinum. The Art Deco pin is studded with 3.5tcw Old European and Old Mine cut diamonds of VS clarity and GH color. It is 1 3/8" diameterSee Sold Price
Sold2024ANTIQUE PLATINUM ART DECO 3-DIAMOND LADIES RINGThis exquisite 1920s Art Deco Platinum diamond ring is a true testament to the timeless elegance and craftsmanship of the era. Featuring intricate filigree work, this stunning piece is adorned with aSee Sold Price
Sold2016ANTIQUE ART DECO 1.37ctw EURO DIAMOND PLATINUM HALOThis is an ORIGINAL ANTIQUE PAIR of EARRINGS that was made in the EDWARDIAN to ART DECO style during the 1920s. They are HANDMADE from PLATINUM with 18K yellow gold closing levers. They are of EUROPEASee Sold Price
Sold2024Art Deco Platinum 5.35ctw Fine Diamond Natural Sapphire Antique Brooch 14K White Gold PinTitle: Art Deco Platinum 5.35ctw Fine Diamond Natural Sapphire Antique Brooch 14K White Gold Pin Description:This gorgeous antique with an art deco design features just over five carats worth of fancySee Sold Price
Oct 20Miami Auctions & Appraisals LLC Antique Deco Sailfish Aquamarine Diamond Platinum Brooch PinUS$10,250
1 day LeftSeized Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch PinUS$1(1 bid)
Oct 20Miami Auctions & Appraisals LLC ANTIQUE ART DECO DIAMOND PLATINUM FILIGREE BAR BROOCH PINUS$11,250
Oct 20Miami Auctions & Appraisals LLC Antique Deco 6.55cts Old European Diamond Platinum Filigree Brooch PinUS$14,000
Nov 03Modern JewelryHenri PIQUET Turquoise Diamond Platinum Pin BROOCH Clip Art Deco1920s FrenchUS$21,250
Oct 23Miami Auction GalleryAntique Deco 6.55cts Old European Diamond Platinum Filigree Brooch PinUS$14,000
5 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 2.25 ctw Diamond Emerald Sapphire Floral Pin BroochUS$1
5 days LeftSeized Assets AuctioneersAntique Art Deco Platinum Old Euro & Mine Cut Diamond Open Geometric Brooch PinUS$1
7 hrs LeftFederal Assets AuctioneersAntique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin BroochUS$1(1 bid)
Oct 20Miami Auctions & Appraisals LLC Antique Art Deco 5.50ct Diamond Platinum Filigree Geometric Open Brooch PinUS$8,200
Oct 23Miami Auction GalleryAntique Art Deco 5.50ct Diamond Platinum Filigree Geometric Open Brooch PinUS$8,000
Oct 20Miami Auctions & Appraisals LLC Antique Art Deco Diamond Pearl Platinum Double Clip Brooch PinUS$5,800
Oct 01Platinum Auction GroupAntique Black Starr & Frost-Gorham Diamond Platinum Deco Brooch PinUS$3,400
Oct 20Miami Auctions & Appraisals LLC ANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PINUS$12,750
Oct 20Miami Auctions & Appraisals LLC ANTIQUE ART DECO DIAMOND PLATINUM GEOMETRIC LINE LINK BRACELETUS$21,000
Oct 23Miami Auction GalleryANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PINUS$12,000