Sold2021Susan Helmich, 18k Geometric BroochSusan Helmich. 18kt yellow gold, pearls, diamond chips, stone. Length: 2 1/2". Weight: 29.1g. 18k yellow gold brooch with a cluster of pearls, diamond chips, and stone designed by Susan Helmich. StampSee Sold Price
Sold2023Susan Helmich Topaz & 18K Gold Leaf Broochelm leaf with serrated edge cut from agate, one side solid, the other a sparkle surface mounted in fold signed by maker "Susan Helmich No. 51599" marked 18k, originally sold by Brinsmaid's. 3" high, 1See Sold Price
Sold2022A gold, sapphire, and diamond brooch with similar cufflinksA gold, sapphire, and diamond brooch with similar cufflinks the 18K gold geometric brooch set with calibré-cut sapphires and round brilliant-cut diamonds; together with cufflinks designed as each cSee Sold Price
Sold2022Susan Foster Geometric 18k Gold Diamond RingMETAL: 18k Gold. MEASUREMENTS: Ring size 5.5. GEMSTONES: Diamonds approx. 0.44ctw. MARKED: Susan Foster. WEIGHT: 3.5 grams.Gemstones have not been graded for color and clarity ,and tested for claritySee Sold Price
Sold20191970s 18K Gold Multi Color Sone Geometric Brooch PinMetal Content: 18K gold.Weight of Item: 15.1 grams.Size: 45 x 30 x 45 x 20 mm.Gemstone: multi color stones.Stamp: 18K.See Sold Price
Sold2022A Tiffany & Co. geometric brooch18k yellow gold; Stamped: Tiffany Of an interlocking square design 1.875" H x 1.25" W 28.8 gramsSee Sold Price
Sold2022Gubelin 18k White Yellow Gold Modernist Brooch PinTitle: Gubelin 18k White Yellow Gold Modernist Brooch Pin Description:Gubelin 18k White and Yellow Gold Mid Century Masterpiece Modernist Geometric Brooch Pin Hallmarks or Signature: GubeliSee Sold Price
Sold2023Pair Obsidian & Diamond Leaf Form Ear Pendantsset in 18k yellow gold by Brinsmaid's, New Canaan, CT by Susan Helmich. 1 1/4" high, 3/4" wide. Gross weight: 8.8 DWT. *No credit card payments will be accepted for silver, gold, or jewelry from buyerSee Sold Price
Sold2021An 18K Yellow Gold Diamond Ribbon Brooch18K yellow gold ribbon brooch with round brilliant, old European and single cut diamonds, total weight 3.71 ctw, G-H color, VS1 - SI2 clarity, 2.5 in. L, 26.0 grams The Estate of Susan Kaufmann.See Sold Price
Sold2021Signed 18K YG Turtle BroochThis is a vintage handmade signed "FJC" 701 18kt yellow gold brooch of a turtle with emerald eyes. The finely crafted brooch is filigree (or reticulated) geometric style and approximately 1" diameter.See Sold Price
Sold2021Signed 18K Yellow Gold Turtle BroochThis is a vintage handmade signed "FJC" 701 18 karat yellow gold brooch of a turtle with emerald eyes. The finely crafted brooch is filigree (or reticulated) geometric style and approximatelSee Sold Price
Sold2015LOUIS COMFORT TIFFANY ENAMELED GOLD PENDANT BROOCHConvex disk chased with confronted scrolls and geometric motifs enameled in shades of green with blue accents, centrally set with a circular faceted peridot, approx. 9.2 mm. 18k. ca. 1910. 1 1/16". SiSee Sold Price
Sold2020BURLE MARX Signed 18kt GoldForme Livre BroochCirca 1970 Signed 18K gold free form, forma livre Watermelon Tourmaline Brooch, Reverse marked Burle Marx 750. Haroldo Burle-Marx fine jewelry, luxury jewelry, geometric design, designer jewelry,VintaSee Sold Price
Sold2021AN ITALIAN 18K GOLD DRAGONFLY BROOCH WITH ENAMELThe 18k gold dragonfly with pearl eyes and wings enameled in red, orange and white enamel within geometric divisions and a champleve-like technique, marked K18 on the back side. Measures 1.25 x 2 inchSee Sold Price
Sold2016Angela Cummings 18K Gold BroochCast as a stylized geometric three-part design, length 2 1/2," height 1/2," weight approximately 5 dwt., stamped "1984 Cummings 18K."See Sold Price
Sold2020Sovel Zurich 20ctw Diamond, 12.7mm Pearl 18K BroochSovel Zurich 20.00ctw VVS1-VVS2 Yellow & White Diamond, 12.7mm South Sea Pearl & Solid 18K Yellow/White Gold Phoenix Pendant/Brooch W/Ruby Accents - This exquisite piece by Sovel Zurich was masterfullSee Sold Price
Sold2022Van Cleef & Arpels Diamond, Mother of Pearl & 18K BroochVan Cleef & Arpels 0.60ctw VVS2-VS1/E-F Diamond, Mother of Pearl and 18K Yellow Gold Clematite Brooch - This exquisite brooch comes from one of the world's foremost designers of high-caliber luxury jeSee Sold Price
Sold2022Molinari 18K Brooch Set Item # 7486 Category Pins & Clips Molinari 18K Brooch Set Set of 6 WeighingMolinari 18K Brooch Set Item # 7486 Category Pins & Clips Molinari 18K Brooch Set Set of 6 Weighing 88.0 grams Set with 90 Diamonds weighing app. 1.70 Ct. E-G Color, VVS-VS Clarity Each brooch is app.See Sold Price
Sold2022Van Cleef & Arpels Diamond, Mother of Pearl & 18K BroochVan Cleef & Arpels 0.30ctw VS1-VS2/E-F Diamond, Mother of Pearl and 18K White Gold Papillon Brooch - This stunning Papillon brooch from Van Cleef & Arpels is elegantly designed in the form of a butterSee Sold Price
Sold2022John Paul Miller 18K Brooch Pendant18K yellow gold and Tanzanite pendant-brooch, measuring 55 x 43mm, in a multi-level, open work tree design with branches encircling a bezel set cushion cut tanzanite, measuring approx 9.5 x 7.5 x 5.2mSee Sold Price
Sold201720ctw Emerald,8ctw Sapp,4ctw & Diamond 18K Brooch20.00ctw Near Flawless Columbian Emerald, 8.00ctw Royal Blue Sapphire, 4.00ctw VS1-VS2/G-H Diamond & Solid 18K Yellow Gold Designer Brooch Signed JW - This magnificent, one of a kind piece is made ofSee Sold Price
Sold2023Vintage Pansy Diamond Turquoise 18K Brooch Pincrafted in 52.4 grams of 18K yellow gold. The center of the flower contains 5 round brilliant cut diamonds prong set and weighing appx. 0.50 carats. Graded F-G color and VS clarity. Throughout the heaSee Sold Price
Sold202113.75ctw Blue Sapphire, Emerald & Diamond 18K Brooch1960s 9.00ctw Blue Sapphire and Emerald, 4.75ctw VS2-SI1/G-H Diamond and Solid 18K Yellow/White Gold 2.25" Brooch - This beautiful vintage piece is crafted of solid 18k yellow gold and has an elegantSee Sold Price
Sold2024Estate Sugarloaf Carved Tourmaline Diamond 18K Brooch PinGenuine 3 Pink Tourmaline Cabochon weighing approx. 20.00 carats total. They Grooved into leaves.See Sold Price
22 hrs LeftLuxe Auctioneers, IncSPRITZER AND FURHMANN RETRO MODERNIST 18K GOLD CONVERTIBLE PENDANT/BROOCH, CIRCA 1960$1,200
May 31Miami Auctions & Appraisals LLC Buccellati Vintage Bacchus Roman God Natural Coral Akoya Pearl 18K Brooch Pendant$16,000
487 Lots AwaySeized Assets AuctioneersAntique Art Deco Platinum Old Euro & Mine Cut Diamond Open Geometric Brooch Pin$1(1 bid)
May 31Miami Auctions & Appraisals LLC Hammerman Vintage Diamond Ruby Floral Pinwheel 18K Brooch Pin$5,800
17 hrs LeftFellowsA mid 20th century vari-cut diamond and calibre-cut sapphire pierced geometric brooch. Estimated£460
7 days LeftElmwood'sA DIAMOND PLAQUE BROOCH the pierced geometric brooch set with an old cut diamond of approximately£480
6 days LeftMiami Auction GalleryDavid Webb Vintage Diamond Floral Platinum 18K Brooch Pin and Pendant$21,000
6 days LeftMiami Auction GalleryVintage Triangular Diamond Platinum Cluster Geometric Brooch Pin$22,500
17 hrs LeftFellowsA mid 20th century platinum vari-cut diamond geometric brooch.Principal old-cut diamond estimated£1,000