Sold20201.65ct Emerald, 1.70ctw Diamond & Platinum Ring1.65ct Emerald, 1.70ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and is decorated with a 1.65ct (approximate) emerald cut emerald center. The emeSee 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
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
20211.70ctw SI1-SI2/G-H Diamond Platinum 1" Ear Clips1.70ctw SI1-SI2/G-H Diamond Solid Platinum 1" Semi-Hoop Ear Clips - These elegant ear clips were finely crafted of solid platinum and are adorned with approximately 1.70ctw SI1-SI2/G-H diamonds. The eSee Sold Price
Sold20231.70CTW TWIN DIAMOND PLATINUM ENGAGEMENT RING172087 1.70CTW TWIN DIAMOND PLATINUM ENGAGEMENT RING 1.70ctw twin diamond platinum engagement ring with 2 matching .75ct brilliant round diamonds surrounded by .20ctw small round diamonds.Stone Type: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
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
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
Sold2024Art Deco Platinum and Diamonds Brooch/Pendant - Approximately 6.87 Cttw.Art Deco Platinum and Diamonds Brooch/Pendant - Approximately 6.87 Cttw.Tested platinum composition with gold overlay. 58mm x 31.5mm in size (excluding bail). 19.4 grams total weight, SI1 - SI2 claritSee Sold Price
Sold2023WHITE PLATINUM DIAMOND LADIES BROOCH - 4.36 CTWWhite platinum diamond ladies brooch with one 1.0ct center diamond VS1-2 clarity, F-G color, two 0.25ct round diamonds VS1-2 clarity, F-G color, two 0.07ct round diamonds, six 0.05ct round diamonds, tSee 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
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
Sold2022PLATINUM DIAMOND WEDDING SET, WITH GIA, 1.70CTWthe engagement ring with GIA report stating "round brilliant cut diamond, weight 1.01 carats, measurements 6.25-6.32x3.99mm, clarity SI1, color H", flanked by 2 baguettes approx. 0.24 carat, the weddiSee Sold Price
Sold2022A Mid-Century 7.00 ctw Diamond Ribbon Pin in PlatinumPlatinum diamond ribbon brooch combines old European, round and baguette cut diamonds weighing approx. 7.00 ctw with an average color grade of H-L and an average clarity grade of VS-SI set in flowingSee Sold Price
Sold2017Platinum, Blue Zircon & Diamond BroochSpectacular platinum, blue zircon and diamond brooch. The brooch features a center blue zircon appx. 6.20 carat flanked by two Old Mine-cut diamonds appx. 0.50 ctw., in the center is an OMC diamond apSee Sold Price
Sold2018Art Deco Diamond, Platinum Circle Bow Brooch.Art Deco Diamond, Platinum Circle Bow Brooch. Featuring thirty-nine old European-cut diamonds weighing a total of approximately 3.25 cttw., set in a platinum circle bow brooch mounting measuring approSee Sold Price
Sold2015Art Deco Filigree Diamond BroochDESCRIPTION: Tested platinum and 14K gold marquise shaped white gold bar pin with three early round brilliant diamonds. Approximately .5 ctw. MEASUREMENTS: 1-1/2" x 5/8". 2.2 dwt (3.4 gr). CONDITION:See 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
Sold202018K & Platinum David Webb diamond & enamel brooch18K & Platinum David Webb brooch, blue and green enamel, Appx. 0.22 ctw, GH/SI diamonds. 2" x 2", 34.7g.See Sold Price
Sold2015Diamond, Platinum Spray Brooch.Diamond, Platinum Spray Brooch. Designed as a spray featuring eight marquise-cut, forty-eight baguette-cut and seventy-four full-cut diamonds weighing approximately 5.00 cttw. set in platinum. {GrossSee Sold Price
Sold2015JEWELRY. Platinum and Diamond Art Deco FloralWreath Brooch. With high quality diamonds weighing approx. 2 cttw. Total approx. weight is 4.3 dwt. From a Rockland County, NY location. Dimensions: 1.25" diameter.See Sold Price
Sold2022Deco Style Platinum and Diamond Oval BroochDeco style platinum and diamond oval brooch, pierced platinum hoop set with (4) 3mm diamonds, (24) 1mm diamonds and diamond chip surround, approx. .62 ctw, unmarked, testing platinum, 1-3/4"L, 1-1/4"WSee Sold Price
Sold2022Diamond, Platinum BroochDiamond, Platinum Brooch. Featuring five full-cut diamonds weighing a total of approximately 0.35 cttw., accented by seventy-seven single-cut diamonds weighing a total of approximately 1.15 cttw., setSee Sold Price
Sold202314KT YELLOW GOLD, PLATINUM AND DIAMOND ART DECO-DESIGN BROOCH Approx. 3.75 total dwt.14KT YELLOW GOLD, PLATINUM AND DIAMOND ART DECO-DESIGN BROOCHNine round-cut diamonds approx. 0.55 ctw. Approx. 50.0 x 11.0mm.Approx. 3.75 total dwt.See Sold Price
4 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin Brooch$1
5 days LeftFederal Assets AuctioneersArt Deco Platinum 6.00 ctw Old European and Mine Cut Diamond Filigree Brooch$1
1 day LeftFederal Assets AuctioneersAntique Edwardian Platinum Top 18k Gold 0.55 ctw Diamond Milgrain Bar Pin Brooch$1
6 days LeftSeized Assets AuctioneersAntique Edwardian French 18k Gold & Platinum 0.80 ctw Diamond Pearl Bar Pin Broo$1
2 days LeftSeized Assets AuctioneersVintage Platinum 1.98 ctw Baguette Marquise Old Cut Diamond Spray Flame Pin Broo$1
May 11BidhausDavid Webb Platinum & 18K Yellow Gold 25ctw Diamond Flower Interchangeable Center Brooch$10