Sold2023JEWELRY. Art Deco Platinum and Diamond Brooch.Art Deco platinum brooch displaying a central trio of (3) milgrain bezel set Old European cut diamonds measuring approx. 6.0mm, 4.5mm and 4.6mm. Diamonds are set within a platinum filigree frame displSee Sold Price
Sold2018JEWELRY. Art Deco Platinum, Diamond, and SapphireRing. Art Deco platinum ring set with Old European cut diamonds, and (3) panels of sapphire accents. (3) central diamonds measure approx. 4.3mm. Ring size - 6 1/2. Total approx. weight is 3.6 dwt. FroSee Sold Price
Sold2016Art Deco Platinum Sapphire and Diamond Brooch, 8.5 ctwMain Gem: Natural sapphire Color: Blue Gemstone Size: 5.5 carats Diamonds: Approximately 3 ctw of Old European Cut diamonds Color/Clarity: G, VS Metal: Platinum Please note that this lot has a reserveSee Sold Price
Sold2018Art Deco Diamond, Platinum Circle Bow Brooch.Art Deco Diamond, Platinum Circle Bow Brooch. Featuring thirty-nine old European-cut diamonds weighing a total of approximately 3.25 cttw., set in a platinum circle bow brooch mounting measuring approSee Sold Price
Sold2020A Platinum Converted Art Deco Diamond RingPlatinum converted ring to rectangular clasp or pendant featuring 3 Old European cut diamonds weighing approx. 0.60ctw set in front with sapphire accents and scrolling hand engraving, 0.75 in. L, 3.1See Sold Price
Sold2021Art Deco Platinum, Diamond & Sapphire PendantAntique Art Deco Platinum, diamond and sapphire filigree pendant, converted from a bar pin. Features a 3" elongated lozenge shaped design set throughout with bezel and milgrain edged old European cutSee Sold Price
Sold2020SAPPHIRE RINGA Rare Vintage Art Deco Platinum and Diamond Ring, set with a natural lavender cabochon star sapphire flanked by (4) graduated old European cut diamonds on each side, with engraved bezel. Size 3 1/2.See Sold Price
Sold2020Platinum 14k Diamond Filigree BroochArt deco brooch set with five Old European cut diamonds. Center approximately .20 carat and four approximately .03 carat each, .42 CTW. Clarity SI2, Color H-I. 1-7/8" x 5/8". 3.0 dwt. IMPORTANT: BeforSee Sold Price
Sold2021Art Deco-Style Diamond and Sapphire Drop EarringsPair of Art Deco-Style Diamond and Sapphire Drop Earrings platinum, each with a central old European-cut diamond within a ring of calibre-cut sapphires, in navette-shaped plaques set with round brilliSee Sold Price
Sold2022Deco Diamond and Platinum BroochArt Deco Diamond, Emerald, Black Onyx and Platinum Brooch. Set in the center with an approx. .65 carat old European cut diamond, H-I color, VS2 clarity. Accented with approx. 3.50 carat TW old EuropeaSee Sold Price
Sold2024Art Deco 14K Gold, Sapphire &; Diamond RingTested 14k gold ring with platinum top. Set with center square blue sapphire and approximately .40 CTW Old European and single cut diamonds. 3.3 grams. Size 7-1/2. In E.G. Hoover Co. Harrisburg, PA anSee Sold Price
Sold2023ART DECO, DIAMOND AND SAPPHIRE BROOCHART DECO, DIAMOND AND SAPPHIRE BROOCH Containing old European and single cut diamonds weighing approximately 2.80 carats total and three pear and marquise shaped sapphires. Mounted in platinum. 3 1/8See 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
Sold2020ART DECO PLATINUM, DIAMOND, & SAPPHIRE BAR BROOCHcentering one rectangular step cut very dark sapphire weighing approximately 2.50 carats total; six old European cut diamonds [G-H/VS1-VS2] weighing approximately 0.80 carats total; and 62 single andSee Sold Price
SoldAN ART DECO PLATINUM AND DIAMOND BROOCHAN ART DECO PLATINUM AND DIAMOND BROOCH The filigree mount Set with old European-cut diamonds, approximate total weight 1.80 carats, millegrain accents, weight 6.4 dwt, obscured signature, numbered 7See Sold Price
Sold2021An Art Deco Platinum Diamond & Sapphire Ringc. 1915 platinum ring featuring 12 main old European cut diamonds weighing approx. 4.00 ctw set in an elongated rectangle with 14 additional smaller diamonds set in between large ones and down the shaSee Sold Price
Sold2018Lambert Bros. Platinum Diamond & Sapphire Art DecoLambert Bros. Platinum Diamond & Sapphire Art Deco Brooch 1.5''x1.25. Includes an Old European Cut diamonds of 1.66ct, clarity VS-1 color K. Also an Old European Cut diamond of 1.05ct and a .15ct diamSee Sold Price
Sold2024Art Deco Platinum, Diamond, and Sapphire RingArt Deco Platinum, Diamond, and Sapphire Ringin a filigree shield design set with old European cut diamonds weighing approximately .84 total carat (H-I color, SI2-I1 clarity), and with French cut sappSee Sold Price
Sold20171930s Art Deco Platinum with Diamonds & Sapphires PatekDesigned with a tonneau-shaped case, this amazing art deco cocktail watch is set with old European-cut diamonds and single-cut diamonds and black sapphires. The very intricate hand crafted platinum caSee Sold Price
Sold2018PLATINUM THREE DIAMOND RING (4.00CTS/TW)Gorgeous 1930's art deco ladyÂ’s platinum three stone diamond ring. The ring was purchased at Tiffany & Co.* in the mid 1930's and features three (3), six prong set, Old European cut diamonds set iSee Sold Price
Sold2022Art Deco Platinum Diamond & Sapphire BroochThe exceptionally fine handmade art deco brooch is set with 212 old mine cut diamonds, 20 square calibre cut diamonds and 52 calibre cut sapphires set in platinum. The brooch has an approx. diamond weSee Sold Price
Sold2018JEWELRY. Art Deco Platinum, Diamond, and SapphireRing. Art Deco platinum ring comprised of a central band of Old European cut diamonds, a surround of Old European cut diamond accents, and (4) marquis cut sapphire accents. (3) central diamonds measurSee Sold Price
Sold2022JEWELRY. Art Deco Platinum and Diamond Ring.Art Deco platinum ring set with a central panel of (3) Old European cut diamonds surrounded by (8) single cut diamonds. Central diamond measures approx. 4.5mm; flanked vertically by (2) diamonds measuSee Sold Price
Sold2021ART DECO PLATINUM SAPPHIRE & DIAMOND ROUND BROOCHOne Art Deco period lady's round platinum diamond & sapphire brooch. The brooch measures approx. 1.50" round and features a total of twenty-three (23), bead set old mind cut diamonds measuring 1.70 -See Sold Price
1 day LeftElmwood'sLACLOCHE, AN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in platinum, set with a square step cut£1,200
Nov 03Modern JewelryArt Deco DOUBLE CLIP Pin Brooch Pair French Platinum Gold Pearl Diamond 1930s$13,750
Oct 01Platinum Auction GroupArt Deco Filigree Brooch Old Mine Cut Diamond Sapphire 10k White Gold$200
23 hrs LeftSeized Assets AuctioneersAntique Art Deco Platinum GIA Round Diamond Sapphire Infinity Leaf Link Bracelet$1
23 hrs LeftSeized Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin$1(1 bid)
5 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 2.25 ctw Diamond Emerald Sapphire Floral Pin Brooch$1
Oct 20Miami Auctions & Appraisals LLC Vintage Art Deco French Diamond Sapphire Platinum Wide Bracelet$32,500
Nov 03Modern JewelryArt Deco RING Eternity BAND Platinum Old European Cut Diamond Estate Jewelry$3,700
171 Lots AwaySeized Assets AuctioneersArt Deco Platinum 0.50 ctw Old European Diamond Engagement Ring$1
Nov 03Modern JewelryHenri PIQUET Turquoise Diamond Platinum Pin BROOCH Clip Art Deco1920s French$21,250