Sold2022ART DECO SAPPHIRE AND DIAMOND BROOCH,ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1925 The openwork geometric plaque millegrain-set throughout with old brilliant and single-cut diamonds, accented by circular-cut sapphires, diamonds approxSee 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
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
Sold2022KOCH: ART DECO SAPPHIRE AND DIAMOND GIARDINETTO BROOCH, CIRCA 1920KOCH: ART DECO SAPPHIRE AND DIAMOND GIARDINETTO BROOCH, CIRCA 1920 The pierced vase millegrain set with old brilliant, single and rose-cut diamonds, issuing similarly-set leaves and carved sapphire flSee Sold Price
SoldAN ART DECO PLATINUM, EMERALD, AND DIAMOND BROOCHAN ART DECO PLATINUM, EMERALD, AND DIAMOND BROOCH Centering an emerald-cut emerald measuring approximately 9.25 x 5.90 x 2.80 mm, and set with old European, old mine, single, and baguette-cut diamondsSee Sold Price
Sold2020ART DECO, DIAMOND AND SAPPHIRE PENDANT/BROOCHART DECO, DIAMOND AND SAPPHIRE PENDANT/BROOCH Containing one old European cut diamond weighing approximately 0.80 carat, numerous old mine, old European and single cut diamonds weighing approximatelySee Sold Price
Sold2022LACLOCHE FRÈRES: ART DECO DIAMOND-SET BROOCH, CIRCA 1925LACLOCHE FRÈRES: ART DECO DIAMOND-SET BROOCH, CIRCA 1925 The onyx plaque, applied with a giardinetto motif set with carnelian cabochons, old single-cut and rose-cut diamonds, the geometric borderSee Sold Price
Sold2022A FINE ART DECO CORAL, DIAMOND AND ONYX BROOCH in 14ct yellow gold, set with a sugarloaf cabochonA FINE ART DECO CORAL, DIAMOND AND ONYX BROOCH in 14ct yellow gold, set with a sugarloaf cabochon coral against a pierced geometric ground, accented by old and single cut diamonds and polished onyx baSee Sold Price
Sold2022Sapphire, diamond, and white gold pendant broochSapphire, diamond, and white gold pendant brooch Set with a cabochon sapphire, in a scrolling frame of single, baguette, and old European-cut diamonds 14k white gold 1.375 x 1.375 in; Gross weight 5.9See Sold Price
Sold2024Sapphire, diamond, and platinum flower broochSapphire, diamond, and platinum flower brooch Designed as a bouquet set with cabochon sapphires, single, old European, baguette, and round brilliant-cut diamonds Platinum 2.125 x 1.625 in; Gross weighSee 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
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
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
Sold2022ART DECO DIAMOND BROOCH,ART DECO DIAMOND BROOCH, CIRCA 1930 Of openwork, geometric design, set with old brilliant-cut diamonds, diamonds approx. 2.70cts total, length 4.4cmSee 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
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
Sold2021Art Deco platinum, Sapphires & Diamonds BroochNice looking Art Deco Brooch crafted in Platinum, Set with Old mines and Rose cut Diamonds Approx. 1.48ctw (Center Old mine Diamond is Approx. 0.50cts. H color, SI clarity). Accented with Natural BlueSee Sold Price
Sold2024Art Deco, Diamond, sapphire, and platinum ringArt Deco Diamond, sapphire, and platinum ring Set with an old European-cut diamond weighing approx. 1.00 ct by measurement, framed by French-cut sapphires and single-cut diamonds; 1920s Platinum RingSee 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
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
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
Sold2022ART DECO SAPPHIRE AND DIAMOND BRACELET,ART DECO SAPPHIRE AND DIAMOND BRACELET, CIRCA 1925 The articulated strap of openwork geometric design, set with step-cut sapphires and old brilliant, single and baguette-cut diamonds, diamonds approxSee 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
Sold2023Antique Art Deco 14K White Gold Diamond Bow Brooch PinThis is an antique 14K white gold filigree bow brooch dating to the early 20th Century. The Art Deco brooch features an Old European cut diamond surrounded by single cut diamonds. The diamonds are SISee Sold Price
1 day LeftElmwood'sLACLOCHE, AN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in platinum, set with a square step cut£1,200
20 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
2 days LeftFederal Assets AuctioneersAntique Art Deco 14k Gold Diamond & Sapphire Milgrain Filigree Bar Pin Brooch$1
2 days LeftSeized Assets AuctioneersAntique Art Deco 14k Gold Diamond & Sapphire Milgrain Filigree Bar Pin Brooch$1
21 hrs LeftDawsons AuctioneersAn Art Deco aquamarine and diamond brooch, circa 1930, the large aquamarine of vivid greenish-blue£4,500
Oct 02Elmwood'sCARTIER, AN IMPORTANT ART DECO DIAMOND BRACELET in platinum, comprising a row of five openwork£30,000
5 days LeftSeized Assets AuctioneersAntique Art Deco Platinum Old Euro & Mine Cut Diamond Open Geometric Brooch Pin$1
Oct 01Platinum Auction GroupAntique Black Starr & Frost-Gorham Diamond Platinum Deco Brooch Pin$3,400
Oct 20Miami Auctions & Appraisals LLC ANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PIN$12,750
Oct 23Miami Auction GalleryANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PIN$12,000
Oct 20Miami Auctions & Appraisals LLC Antique Deco 6.55cts Old European Diamond Platinum Filigree Brooch Pin$14,000
Oct 23Miami Auction GalleryAntique Deco 6.55cts Old European Diamond Platinum Filigree Brooch Pin$14,000
Oct 02Elmwood'sCARTIER, AN ART DECO DIAMOND AND ONYX BROOCH, EARLY 20TH CENTURY the curved body set with a trio of£3,000
Oct 01Platinum Auction GroupArt Deco Filigree Brooch Old Mine Cut Diamond Sapphire 10k White Gold$200