Sold2018Edwardian Platinum and Diamond Brooch/PendantEdwardian Platinum and Diamond Brooch/Pendant ca. 1910, the circular platinum brooch with an openwork lacy pattern set with a central old European-cut diamond, surrounded by smaller European-cut diamoSee Sold Price
Sold2022Openwork Platinum and Diamonds Pin/Pendant - 5.33 CTTWOpenwork Platinum and Diamonds Pin/Pendant - 5.33 CTTW Vintage platinum pin/brooch with floral and ribbon design containing 67 European cut diamonds, diamonds measuring up to 0.62 ctw. (1.8mm - 5.5mmSee Sold Price
Sold2019Platinum, Synthetic Sapphire, and Diamond Bar BroochPlatinum, Synthetic Sapphire, and Diamond Bar Brooch the open-work bar brooch centering a bezel-set circle-cut synthetic sapphire measuring approx. 6.36 x 4.46 mm. and weighing approx. 1.55 cts., furtSee Sold Price
Sold2020JEWELRY. Art Deco Cartier Jade, Diamond, Onyx, andSapphire Brooch or Bar Pin. Art Deco Cartier platinum bar pin or brooch comprised of a central onyx openwork frame with (2) sapphire cabochon accents, and (3) stacked bands of pave diamonds; flanked bSee Sold Price
Sold2016A VINTAGE BAR PIN WITH DIAMONDS AND A PEARLA VINTAGE BAR PIN WITH DIAMONDS AND A PEARL Featured center pearl with old mine diamonds set in platinum. Open metal work is accented with milgrain edging. Brooch is 2.75" long. 1 off-round white pearSee Sold Price
Sold2021Platinum and Diamond BroochPlatinum and Diamond Brooch The openwork plaque of scrolled pierced ribbons centering one old European-cut diamond ap. .85 ct., flanked by 6 baguette diamonds and clusters of 18 collet-set old-mine anSee Sold Price
Sold2016Edwardian Platinum Diamond Pearl Red Stone Brooch PinPlatinum brooch is decorated with diamonds, red stones and pearl. Brooch measures 34mm x 27mm . One diamond and one red stone are missing. Tested platinum. Weight is 5.4 grams.Gemstones have not beenSee Sold Price
Sold2020McTeigue Platinum Diamond Open Circle Brooch PinPlatinum open circle brooch, set with baguette and round diamonds - approx. 2.40ctw. Brooch is 30mm in diameter. Marked: Maker's Mark Irid. Plat. Weight - 8.5 grams.See Sold Price
Sold201614KT WHITE GOLD CIRCULAR DIAMOND BROOCH/PINLadies' 14 karat White Gold circular brooch/pin. With an overlapped open work design, set with round brilliant cut accent Diamonds. Marked "14K". Measures approx. 1-1/8" in diameter. Weighs approx. 5.See Sold Price
Sold2020Platinum and Diamond Dress Clips/BroochPlatinum and Diamond Dress Clips/Broocheach open-work dress clip bezel-set with two old European-cut diamonds weighing approx. 0.50 ct. each, two baguettes-cut diamonds, and one triangular portrait-cuSee Sold Price
Sold2018Vintage Diamond, Platinum, 14k Yellow Gold Bow Brooch.Vintage Diamond, Platinum, 14k Yellow Gold Bow Brooch. Designed as an open work bow with black velvet backing, the center featuring one old European-cut diamond weighing approximately 0.30 ct., accentSee Sold Price
Sold2017Victorian gold, diamond, & pearl brooch pin.Late Victorian white & yellow gold diamond & pearl brooch pin. Brooch pin contains 26 round mine cut .02 ct diamonds. Center pearl 9 mm. Yellow gold back with white gold front. Open work form. 1 1/4"See Sold Price
Sold2021An Art Deco diamond and platinum clip/broochAn Art Deco diamond and platinum clip/brooch set with circular-cut, kite-shaped, emerald-cut, and calveshead diamonds; estimated total diamond weight: 8.00 carats, all within an openwork setting. (15.See Sold Price
Sold2023EDWARDIAN DIAMOND AND PEARL CIRCULAR BROOCHEDWARDIAN DIAMOND AND PEARL CIRCULAR BROOCH. set with a large bright diamond in the centre. , approx 0.45 ct surrounded by graduating pearls in an open work design. pearls untested. 2.5 cm diameter. 6See Sold Price
Sold2022Vintage Platinum Diamond BroochVintage Platinum Diamond Brooch, Spectrometer tested platinum, with estimated approx. 1.35 carats diamonds both prong set and bead set also three baguette cut diamonds, pin mechanism works properly, 1See Sold Price
Sold2021Attributed to Edward Everett Oakes Arts and CraftsAttributed to Edward Everett Oakes Arts and Crafts Gold, Platinum, Diamond, Amethyst and Pearl Brooch The shield-shaped brooch of open-work scrolling grape vines set throughout with 5 oval and round aSee Sold Price
Sold2020Platinum and Diamond BroochPlatinum and Diamond Broochthe bow-form brooch comprising full- and single-cut diamonds weighing approx. 1.50 tcw. with open-work millegrain decoration; 7.90 dwts; lg. 3 in.Provenance: The CollectionSee Sold Price
Sold2023Art Deco Platinum and Diamond BroochDESCRIPTION: An Art Deco brooch comprised of a platinum foundation designed with fine open work patterns, the center fitted by a .30ct old minor cut diamond. Further inset with a series of diamonds amSee Sold Price
Sold2019Platinum and Diamond Pendant/BroochPlatinum and Diamond Pendant/Brooch centering a bezel-set old European-cut diamond weighing 0.45 ct. surmounted with rose- and full-cut diamonds within an open-work setting suspending a pear-shape diaSee Sold Price
Sold2022Edwardian, Diamond and platinum engagement ringEdwardian Diamond and platinum engagement ring Set with an old European-cut diamond weighing approx. 1.95 cts and single-cut diamonds; 1910s Platinum Ring size 6.50; Gross weight 2.1 dwts Sold with boSee Sold Price
Sold2021Brown diamond ringBrown diamond ring Centered on an oval-cut fancy brownish yellow diamond weighing approx. 4.04 cts, with marquise and round brilliant-cut diamond open-work shoulders Platinum and yellow gold GIA ReporSee Sold Price
Sold2018ART DECO 7.76CTTW DIAMOND & PLATINUM BROOCH / CLIPEstate Art Deco platinum (tested) diamond double-clip brooch, c. 1930s, approx 7.46cttw, two fur or coat clips with pin mechanism to combine into single brooch, featuring pierced work and milgraining,See Sold Price
Sold2020Edwardian Platinum Tsavorite Garnet Diamond BroochElegant antique Edwardian ladies brooch pin. Filigree platinum with collet-set diamonds. Center set with a Tsavorite green garnet of approximately 3.5mm. Secure ban back. Unmarked, x-ray verified PlatSee Sold Price
Sold2022A DIAMOND AND CULTURED PEARL BROOCHA DIAMOND AND CULTURED PEARL BROOCH The Edwardian oval-shaped and open work brooch centering a cultured pearl measuring approximately 8.05mm., set with old European, old mine and table-cut diamonds weSee Sold Price
5 days LeftSworders Fine Art AuctioneersA Burmese sapphire and diamond brooch, early 20th century,£1,600
5 days LeftMynt AuctionsPlatinum Antique Art Deco Diamond Brooch .75tdw 4.9g VS Excellent ConditionUS$1,700
May 31Miami Auctions & Appraisals LLC Antique Art Deco 5.50ct Diamond Platinum Filigree Geometric Open Brooch PinUS$8,200
2 hrs LeftFederal Assets AuctioneersUnique 18k TT Gold Rubellite Tourmaline Diamond Open Circle Work Bar Pin BroochUS$1
6 days LeftFederal Assets AuctioneersAntique Krementz Edwardian Platinum Top 14k Gold Diamond Etched Bar Pin BroochUS$1
2 hrs LeftFederal Assets AuctioneersAntique Edwardian French 18k Gold & Platinum 0.80 ctw Diamond Pearl Bar Pin BrooUS$1
May 31Miami Auctions & Appraisals LLC Vintage Retro 15.69cts Diamond Platinum Floral Bouquet Lapel BroochUS$25,500
May 31Miami Auctions & Appraisals LLC Vintage Retro 15.51ct Diamond Platinum Floral Motif Lapel BroochUS$33,750