Sold2020Platinum Diamond Aquamarine Brooch PinExquisite platinum brooch, decorated with 5 aquamarines and approx. 4.60ctw in diamonds. Brooch measures 29mm x 38mm. Weight - 16.2 grams.See Sold Price
Sold2018Verdura "Target" Diamond BroochVerdura "Target" Diamond, Platinum, 18k Yellow Gold Brooch. Designed as arrows in a bull's-eye, featuring round brilliant-cut diamonds weighing a total of approximately 1.60 cttw., set in a platinum aSee Sold Price
Sold201818K Gold Platinum Diamond Jabot Brooch PinMETAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 0.60ctw. MEASUREMENTS: brooch is 68mm long x 20mm at widest point. TESTED: 18K, platinum. WEIGHT: 5.2 grams.Gemstones have not been graded for coSee Sold Price
Sold2021Mid Century Platinum 18k Gold Diamond Brooch PinMid century platinum and 18k yellow gold brooch with rose cut and old mine cut diamonds. Center diamond approx. 0.21ct, surrounding diamonds approx. 1.60ctw. Brooch is 48mm x 38mm. Tested: Plat, 18k.See Sold Price
Sold2022An Edwardian Platinum 18K Diamond and Pearl BroochEdwardian platinum topped 18K, 1.43 CTW diamond and pearl brooch. Diamonds: Old European Cut, Old Minor Cut, Swiss Cut Color: G-H Clarity: VS2-SI1 OMC Carat Weight: 0.46 ct OEC Carat Weight: 0.53 ctSee Sold Price
Sold2021Antique Edwardian Platinum Diamond PendantMETAL: Platinum. MEASUREMENTS: Pendant is 58mm x 50mm. GEMSTONES: Synthetic sapphires (center stone is slightly abraded), Diamonds approx. 1.60ctw. TESTED: Plat. WEIGHT: 13.9 grams.Gemstones have notSee Sold Price
Sold2019An Edwardian diamond, cultured pearl, platinum broochFeaturing four European-cut diamonds weighing a total of approximately 2.09 cttw., accented by nineteen old European-cut diamonds weighing a total of approximately 0.47 cttw., highlighted by an aSee Sold Price
Sold2020Edwardian Platinum Diamond Engagement RingEdwardian Platinum Diamond Engagement Ring Description Composition: platinum Period: Edwardian (1901-1920) 1 old mine cut diamond J-VVS1 0.60ctw. Ring size: 7 ¾ Ring face: 8mm by 12mm by 7mm Total weSee Sold Price
Sold2024Edwardian Platinum 2.5C Diamond Estate BroochEdwardian Platinum and Yellow Gold 2.5 Carat Total Weight Round Cut Diamond Estate Brooch with 1- 3/8 Carat Center Stone, 1/4 Carat of Stone on Each Side and 1 Carat of Accent Stones. Measures 2 incheSee Sold Price
Sold2020Edwardian Era Platinum & Diamond Necklace PendantEdwardian platinum brooch converted to pendant on 14k white gold chain. Features and ovular Edwardian pendant measuring 2 1/2" x 3/4" with approximately 1 carat total weight of round cut and rose cutSee Sold Price
Sold2015Three Edwardian jewelry itemsIncluding two platinum and diamond brooches and one rose-cut and gold ring, total diamond weight approximately 1.60 cts., 16.7 gms gross, 3 pcs, est: $500/700See Sold Price
Sold2022Art Deco Platinum 4.60 Ct. Diamond BroochArt Deco Platinum 4.60 Ct. Diamond Brooch Weighing 8.2 grams Set with 3 Marquise Diamonds weighing app. 2.10 Ct. One of the Marquise are GIA Certified Along with 76 European-cut Diamonds weighing app.See Sold Price
Sold2023$42000 Edwardian Diamond & Platinum Brooch, Pendant$42852 Spectacular Edwardian antique diamond and platinum brooch with 6.68 carats of diamonds! 17.1 grams of platinum. Circa 1910. You won't find another like it anywhere. Complete with appraisal of $See Sold Price
Sold20223.6 CTW DIAMOND & PLATINUM WREATH BROOCHVintage platinum and diamond circular pin with interlocking ribbon form comprising of 3.6 ctw diamonds (VS - SI clarity, G-H color). Unmarked. Ahlers & Ogletree, Inc. reserves the right to demand paymSee Sold Price
Sold20226.00ct Diamond in 0.60ctw Diamond and Platinum Ring6.00ct Cushion Cut Diamond in 0.60ctw Diamond and Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a 6.00ct (approximate) cushion cut diamond solitaire. The ring is theSee Sold Price
Sold20161.50 CTW Diamond & Platinum Deco Bow BroochDESCRIPTION: Tested 90% platinum Art Deco bow brooch set with forty-nine round full and single cut diamonds of .02 to .06 carat each. Clarity SI to I1, color I-J. Approximately 1.50 ctw. Also set withSee Sold Price
Sold2020Platinum Diamond RingPlatinum ring with approx. 0.60ctw in diamonds. Ring size 6, top of the ring is 21mm x 15mm. Marked:0.307, 0.30, Pt900. Weight - 10.8 grams.See Sold Price
Sold20222.35 Ctw in Diamonds Platinum Flower BroochFlower Pin Brooch crafted in Platinum, set with a center Roun-cut Diamond Approx. 0.30 carats. F-G color, VS clarity. Along with 42 full cut Diamonds weighing Approx. 2.05 carats. G-H color VS-SI clarSee Sold Price
Sold2021Marcus & Co. Edwardian Diamond Crescent BroochMarcus & Co. Edwardian Diamond Crescent Brooch platinum/18k yellow gold, the brooch mounted with old European-cut and old single-cut diamonds weighing approximately 2.50 carats in total, signed "M & CSee Sold Price
Sold2016Michael Beaudry Plat. 1.60ctw Diamond RingMichael Beaudry Solid Platinum 1.60ctw Genuine VS1-VS2/G-H Diamond Ring (1.01ct VS1-VS2 Solitaire) - This piece is made of solid platinum, and is a Michael Beaudry piece (and is SIGNED). The center diSee Sold Price
Sold2021Tiffany & Co Circlet Platinum Diamond RingTiffany & Co platinum Circlet ring, with approx. 0.60ctw in diamonds. Ring size - 4.5, ring top is 8.8mm in diameter. Marked: Tiffany & Co, Pt950. Weight - 3.8 grams.See Sold Price
Sold20161950s Mellerio Platinum Diamond Engagement RingPlatinum ring mounting features approx. 0.60ctw of diamonds. Center will fit approx. 7.5mm round stone. Ring size 5.25. Ring top measures 13.2mm at widest point. Marked Mellerio Madrid, tested platinuSee Sold Price
Sold2022ERNST PALTSCHO (Attrib. to), CERTIFICATED NATURAL SALTWATER PEARL AND DIAMOND EDWARDIAN BROOCHERNST PALTSCHO (Attrib. to), IMPORTANT CERTIFICATED NATURAL SALTWATER PEARL AND DIAMOND EDWARDIAN BROOCH, the brooch of bow design, set throughout with diamonds totalling approx. 8.60 ct. Suspending aSee Sold Price
Sold2022PERIOD EDWARDIAN PLATINUM AND DIAMOND BROOCHAntique handmade, ribbon form brooch set with Old Mine cut and Old European cut round brilliant diamonds. Bezel set in the center is one elongated pear shape diamond, measuring .66ct. Clarity SI1, ColSee Sold Price
4 days LeftFederal Assets AuctioneersAntique Edwardian French 18k Gold & Platinum 0.80 ctw Diamond Pearl Bar Pin Broo$1
22 hrs LeftFederal Assets AuctioneersAntique Edwardian Platinum Top 18k Gold 0.55 ctw Diamond Milgrain Bar Pin Brooch$1(1 bid)
22 hrs LeftFederal Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin$3(2 bids)
3 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin Brooch$1
2 days LeftSeized Assets AuctioneersAntique Edwardian 18K Gold Platinum 0.90 ctw Diamond Wavy Accents Engagement Rin$1
22 hrs LeftSeized Assets AuctioneersAntique Edwardian 18k Gold Platinum 0.20 ctw Diamond Filigree Petite Dinner Ring$1
3 days LeftSeized Assets AuctioneersArt Deco Platinum 6.00 ctw Old European and Mine Cut Diamond Filigree Brooch$1