Sold2017A diamond and sapphire dress ring. The old-cut diamond,A diamond and sapphire dress ring. The old-cut diamond, within a rose-cut diamond panel and calibre-cut sapphire border, with later applied platinum rose-cut diamond accent side band. AF. Principal diSee Sold Price
Sold2018Round and rose cut diamond, calibré sapphire, platinumRound and rose cut diamond, calibré sapphire, platinum and gold brooch, g 10.07, length cm 9.20 circa.Broche in oro giallo e platino con diamanti rotondi, mezza rosetta e zaffiri calibré, g 10,07, lSee Sold Price
Sold2024ANTIQUE DIAMOND COCKTAIL RINGBelle epoque style cocktail ring of platinum and yellow gold, open pierce work set with 21 round early cut diamonds, later 14k gold adjustable expansion shank added. .15 total Troy ozSee Sold Price
SoldA BELLE ÉPOQUE PLATINUM AND DIAMOND BROOCHA BELLE ÉPOQUE PLATINUM AND DIAMOND BROOCH Designed as dragonfly wings set with rose-cut diamonds, millegrain accents, weight 4.6 dwt, French import stamp, length 2 9/16 in. For further informaSee 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
Sold2022DIAMOND AND SAPPHIRE SAILFISH BROOCHDIAMOND AND SAPPHIRE SAILFISH BROOCH Containing numerous single cut diamonds and numerous calibre cut sapphires. Mounted in platinum. 1 inch x 2 3/4 inches. Gross weight: 8.20 dwt.See Sold Price
Sold2016An early 20th platinum and 18ct gold sapphire andAn early 20th platinum and 18ct gold sapphire and diamond brooch. The circular-shape sapphire, within a rose-cut diamond surround and calibre-cut sapphire accents, to the rose-cut diamond sides. FrencSee Sold Price
Sold2022Belle Epoque diamond and platinum broochBelle Epoque diamond and platinum brooch centered by a bezel set cushion old mine cut diamond weighing approximately 2.00 carats and two European cut diamonds 0.95 carats each, further accented by oldSee Sold Price
Sold2022Platinum, Diamond and Simulated Emerald Pendant-BroochPlatinum, Diamond and Simulated Emerald Pendant-Brooch One marquise-shaped diamond ap. 1.00 ct., 118 old European-cut diamonds ap. 3.95 cts., 2 triangle-shaped diamonds, calibré-cut simulated emeSee Sold Price
Sold2022AN ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 in platinum, set with a cluster of round cutAN ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 in platinum, set with a cluster of round cut diamonds, within a border of calibre cut sapphires, the diamonds all totalling 1.4-1.6 carats, stampedSee Sold Price
Sold2023Belle Epoque Platinum Diamond And Glass Frame BroochThe rectangular platinum brooch with bow detail is set with 31 Old European cut single and full cut round Diamonds [H/SI], approximate total weight 1.00 carats, accented at the corners with eight trapSee Sold Price
Sold2015BELLE EPOQUE CEYLON SAPPHIRE & DIAMOND PLATINUM RINGFaceted cushion cut lively blue sapphire, 12.61 x 10.94 x 7.10 mm., 9.75 cts. by formula, strapped motif shoulders with RBC and baguette cut diamonds, RBC diamond rails, approx. 1.0 cts. TW. Setting mSee 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
Sold202211009: Oscar Heyman Diamond, Sapphire, Platinum Brooch Oscar Heyman Diamond, Sapphire, Platinum Brooch Stones: Full-cut diamonds weighing a total of approximately 1.20 carats; square and calibré-cut sapphires Metal&colSee Sold Price
Sold2018An Art Deco platinum emerald, sapphire and diamondAn Art Deco platinum emerald, sapphire and diamond ring. Of kite-shape outline, the square-shape emerald, with vari-cut diamond and triangular-shape sapphire geometric surround. Emerald weight 0.44ct.See Sold Price
Sold202018K & Platinum Victorian Diamond Pearl Pendant18K And Platinum Victorian Belle Époque Diamond Pearl Pendant Brooch Stylized floral design with arrow and star details. Old cut diamond apx .45 carats. Pearls apx 3mm each. In excellent condition. TSee Sold Price
Sold2022A VINTAGE GEMSET FLOWER BASKET BROOCH in 18ct yellow gold and platinum, designed as a basket ofA VINTAGE GEMSET FLOWER BASKET BROOCH in 18ct yellow gold and platinum, designed as a basket of flowers, set with single cut diamonds, round cut rubies, emeralds and sapphires, stamped 18ct PLAT, 4.0cSee Sold Price
Sold2022CARTIER, A DIAMOND, SAPPHIRE, EMERALD, ONYX AND PEARL PANTHERE BROOCH / PENDANT in platinum,CARTIER, A DIAMOND, SAPPHIRE, EMERALD, ONYX AND PEARL PANTHERE BROOCH / PENDANT in platinum, designed to depict a panther running, its body jewelled with round brilliant cut diamonds and cabochon blueSee Sold Price
Sold2021Edwardian Diamond, Emerald, Platinum-Topped GoldEdwardian Diamond, Emerald, Platinum-Topped Gold Brooch Stones: European and Swiss-cut diamonds weighing a total of approximately 1.40 carats; calibré-cut emeralds Metal: Platinum-topped 18k goSee Sold Price
Sold2022A BELLE EPOQUE DIAMOND PENDANT / BROOCH, EARLY 20TH CENTURY in yellow gold and platinum, the foliateA BELLE EPOQUE DIAMOND PENDANT / BROOCH, EARLY 20TH CENTURY in yellow gold and platinum, the foliate body suspending swags, jewelled throughout with old European, single and rose cut diamonds, the diaSee Sold Price
Sold2018A Platinum, Yellow Gold, Diamond, Ruby, Sapphire andA Platinum, Yellow Gold, Diamond, Ruby, Sapphire and Emerald Bird of Paradise Brooch, containing 90 round brilliant and single cut diamonds weighing approximately 1.90 carats total, numerous round mixSee 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
Sold2017Garden Fence Floral Brooch in 14 Karat Yellow Gold andA 14k yellow gold and platinum brooch in the form of a garden fence containing approximately 1.50 carats of rose cut diamonds along with ruby, sapphire and emerald "flowers". 1.75" x 1.25". 11.05 dwt.See Sold Price
Sold2018RETRO DIAMOND & GEM-SET YELLOW GOLD PENDANT BROOCHESA navette with overlapping channels of calibre-cut rubies and RBC diamonds, approx. 4.30 cts. TW; A rippling open form dotted with round faceted rubies, sapphire, emeralds and RBC diamond, approx. .06See Sold Price
4 days LeftFederal Assets AuctioneersAntique Belle Epoque Platinum Multi Color Pearl Diamond Wreath Circle Pin BroochUS$1
2 hrs LeftSeized Assets AuctioneersAntique Art Deco Platinum 2.25 ctw Diamond Emerald Sapphire Floral Pin BroochUS$1
Oct 01Mynt AuctionsMulti Gemstone Platinum Diamond Emerald Opal And Sapphire Vintage Flower BroochUS$5
Sep 30Heritage Auctions55382: Ceylon Sapphire, Diamond, Platinum Brooch StoneUS$30,000
1 day LeftFederal Assets AuctioneersAntique Belle Epoque Plat 10k Gold Diamond Blue Stone Pin Brooch w/ Pearl DangleUS$1
3 days LeftDOYLE Auctioneers & AppraisersPlatinum, Diamond, Cabochon Sapphire and Simulated Sapphire Circle BroochUS$500
Sep 30Heritage Auctions55517: Oscar Heyman Diamond, Colored Diamond, SapphireUS$2,400(1 bid)
Sep 30Heritage Auctions55364: Sapphire, Diamond, Platinum, White Gold Brooch US$3,400
Sep 30Adam's AuctioneersA GEM-SET AND DIAMOND BROOCH Of openwork, modelled as a stylised butterfly, the wings set with€3,000
Oct 01Platinum Auction Group1960S Circular Cluster Ruby Sapphire Diamond Clip 18k Gold Brooch PinUS$1,500
5 days LeftMynt AuctionsDavid Webb 18K Yellow Gold Heraldic Green Emerald Ruby and Diamond BroochUS$5