Sold2017Cathy Waterman Platinum Diamond Sapphire RingMETAL: platinum. GEMSTONES: sapphire, diamonds. MEASUREMENTS: Ring size 5.75, measures 6mm at widest point. MARKED: 950pt maker's mark. WEIGHT: 2.3 grams. Gemstones have not been graded for colorSee Sold Price
Sold2017Cathy Waterman Platinum Diamond Pink Sapphire RingMETAL: platinum. GEMSTONES: pink sapphire, diamonds. MEASUREMENTS: Ring size 6, measures 6mm at widest point. MARKED: 950pt maker's mark. WEIGHT: 2.3 grams. Gemstones have not been graded for coloSee Sold Price
Sold2022Cathy Waterman Daisy Diamond Platinum Gold NecklaceMetal : Platinum/ 22k Gold Designer : Cathy Waterman Gemstone : Diamonds approx. 1.75ctw Measurements : Necklace is 16.5" long and 26mm wide Marked: : 22k, pt900, Maker's mark WeigSee Sold Price
Sold2022Cathy Waterman Daisy Diamond Platinum Gold BraceletMetal : Platinum/22k Gold Designer : Cathy Waterman Gemstone : Diamonds approx. 0.95ctw Measurements : Bracelet is 7.25" long and 25mm wide Marked: : Maker's mark, pt900, 22k WeighSee Sold Price
Sold2021Cathy Waterman 1.50ctw Diamond and Platinum PendantCathy Waterman 1.50ctw VS1-VS2/G-H Diamond and Solid Platinum Open Work Leaf Pendant - This lovely pendant from Cathy Waterman is crafted of solid platinum and has an open worked leaf motif. The pendaSee Sold Price
Sold2021Cathy Waterman Platinum Diamond Turquoise Bead BraceletMETAL: Platinum. GEMSTONES: Diamonds approx. 0.10ctw. Turquoise. MEASUREMENTS: Bracelet is 7" long x 11mm wide. TESTED: Plat. WEIGHT: 10 grams.Gemstones have not been graded for color and claritySee Sold Price
Sold2022Cathy Waterman Platinum Diamond Circle Drop EarringsMETAL: Platinum/ 14k Gold. MEASUREMENTS: Earrings are 30mm long, circles are 18mm in diameter. GEMSTONES: Diamonds approx. 0.34ctw. MARKED: 900p, Waterman hallmark. Backs marked 14k. WEIGHT: 6 grams.GSee Sold Price
Sold2019Cathy Waterman Platinum Diamond Oval EarringsMETAL: platinum, 14K gold (backs). GEMSTONES: diamonds-approx. 0.20-0.25ctw. MEASUREMENTS: earrings are 14mm long (with wire) x 8mm at widest point. MARKED: 900PT , maker's hallmark, backs markedSee Sold Price
Sold2023Cathy Waterman Platinum Diamond Blue Topaz Wide Band RingMETAL: Platinum. GEMSTONES: Diamonds. Blue Topaz (some stones are chipped). MEASUREMENTS: Ring size approx. 6-5 3/4, ring band is 21mm wide. MARKED: Marker's mark, Pt900. WEIGHT: 19.4 grams.GemstoSee Sold Price
Sold2019Cathy Waterman Platinum & Diamond EarringsPlatinum circular earrings with ten diamonds each inset amounting to aprox .20 ct. Very good condition marked on verso with makers mark. .1 oz totalSee Sold Price
Sold2022Cathy Waterman Platinum Diamond Circle of Flowers Pendant NecklaceMETAL: Platinum. GEMSTONES: Diamonds. MEASUREMENTS: Necklace is 16.5 " long, Pendant - 17mm x 17mm. MARKED: Maker's mark, PT900. WEIGHT: 5.9 grams.Gemstones have not been graded for color andSee Sold Price
Sold2022JEWELRY. Cathy Waterman Platinum and Diamond IvySigned Cathy Waterman platinum ivy form necklace displaying round full cut diamond accents to individual leaves. With toggle closure. Stamped, "CW 900PT". Total approx. weight is 18.7 dwt (gSee Sold Price
Sold2016Cathy Waterman 22k Gold Platinum Diamond BangleMETAL: 22k gold/ platinum. MEASUREMENTS: bracelet will fit up to 6 3/4" wrist and is 6.5mm wide. GEMSTONES: diamonds approx. 1.20ctw. MARKED: CW marks, 22k, plat. WEIGHT: 29.5 grams.Gemstones havSee Sold Price
Sold2016Cathy Waterman 22K Gold Platinum Diamond Band RingMETAL: 22K gold, platinum. GEMSTONES: diamonds-approx. 0.30ctw. MEASUREMENTS: ring size 6.25. Band is 8.5mm wide. MARKED: 22K C W 900PT. WEIGHT: 9.1 grams. Gemstones have not been graded for color andSee Sold Price
Sold2024Cathy Waterman Coral And Diamond 22k Dangle EarringsCathy Waterman 22k Yellow Gold, Platinum, Diamond, And Vintage Coral Dangle Earrings With Post Backs. 3 1/2 Inches Long X 1 Inch Wide, Properly Marked. 28.9g. Wire Transfer Or Cashiers Check RequiredSee Sold Price
Sold2021Cathy Waterman Platinum 14K Gold Diamond EarringsMETAL: Platinum and 14k gold. GEMSTONES: Diamonds approx. 0.08ctw. MEASUREMENTS: Earrings are 14mm x 9.5mm. MARKED/TESTED: FI 14k/ Plat. WEIGHT: 2 grams.Gemstones have not been graded for color and clSee Sold Price
Sold2021Cathy Waterman 22k Gold Platinum Flower DiamondPair of Cathy Waterman 22k gold and platinum floral earrings, with approx. 0.18ctw in diamonds. Earrings are 16mm x 10mm. Marked: 2k, 900pt, Maker's mark. Weight - 3.3 grams.See Sold Price
Sold2017Cathy Waterman Platinum Druzy Agate Diamond Leaf BroochMETAL: platinum. GEMSTONES: carved druzy agate, diamonds. MEASUREMENTS: brooch is 60 x 44mm at widest point. MARKED: maker's hallmark, 900PT. WEIGHT: 16.7 grams.Gemstones have not been graded forSee Sold Price
Sold2023Cathy Waterman 14 Karat White Gold, Platinum and Diamond Flower Earringswhite gold flower motif earrings with kidney wire backs, set with 40 full cut round Diamonds [H/SI], approximate total weight 0.25 carats, 4.4 grams;See Sold Price
Sold2016Cathy Waterman Platinum Band Ring Lot of 3METAL: platinum. GEMSTONES: diamonds. MEASUREMENTS: floral band ring size 6.75, geometric band ring size 6.5, leaf band ring size 6. Band width ranges from 2.5mm to 3.1mm. MARKED: 900 pt W. WEIGHT: 7.See Sold Price
Sold2022Ladies 5ct Sapphire & Diamond Platinum RingLadies 5ct Sapphire & Diamond Platinum Ring Size 6. Includes a 5.02 carat Sri Lankan cushion modified brilliant step cut natural Sapphire corundum of a transparent medium-dark slightly violetish blueSee Sold Price
Sold201818.77ct GIA Yellow Sapphire, Diamond Platinum Ring18.77ct GIA Certified (No Heat) Sri Lankan Yellow Sapphire in 3.80ctw VS1-VS2/F-G Diamond & Solid Platinum Cocktail Ring From Vietnamese Royal Family (W/$52,000 Appraisal) - This stunning cocktail rinSee Sold Price
Sold2023Vintage GIA NO HEAT Yellow Sapphire Diamond Platinum Halo Cocktail RingPresenting an exquisite All Natural Yellow Sapphire enhanced by a halo of old cut diamonds. The shank is crafted in solid Platinum, with an antique sterling silver top. Featuring in the center an exceSee 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
May 28Miami Auction GalleryRARE KASHMIR GIA NO HEAT NATURAL 3.97CTS BLUE SAPPHIRE DIAMOND PLATINUM RINGUS$101,000
May 31Miami Auctions & Appraisals LLC Vintage Tiffany & Co. Kashmir Sapphire Diamond Platinum Dangle PendantUS$80,500
May 31Miami Auctions & Appraisals LLC Vintage GIA Blue Sapphire Diamond Platinum Star Flower Brooch PinUS$8,200
May 31Miami Auctions & Appraisals LLC Natural No-Heat GIA 13.90cts Sapphire Diamond Platinum Gold Bangle BraceletUS$11,250
May 31Miami Auctions & Appraisals LLC Kashmir Vintage Sapphire Diamond Platinum Three Stone RingUS$40,250
May 31Miami Auctions & Appraisals LLC 22.77cts No-Heat Sapphire Diamond Platinum Drop EarringsUS$43,250
May 31Miami Auctions & Appraisals LLC Ceylon No Heat 16.17 carats Blue Sapphire Diamond Platinum Cocktail RingUS$61,000
6 days LeftJasper52Oscar Heyman Sapphire Diamond Platinum Necklace Bracelet Brooch Pin PendantUS$68,000
May 31Miami Auctions & Appraisals LLC Vintage Burma No Heat Sapphire Diamond Platinum Large Cluster Cocktail RingUS$147,000
May 28Miami Auction GalleryGIA Certified 6.15cts Ceylon No Heat Natural Sapphire and Diamond Platinum RingUS$7,100
May 31Miami Auctions & Appraisals LLC Kashmir AGL GIA No Heat Sapphire 2.53cts Diamond Platinum RingUS$76,500
May 28Miami Auction GalleryESTATE NATURAL NO HEAT 9.07CT CEYLON SAPPHIRE TRAPEZOID DIAMOND PLATINUM RINGUS$28,500
May 31Miami Auctions & Appraisals LLC AGL Ceylon Sapphire 13.90cts Diamond Platinum Cocktail RingUS$8,800
10 hrs LeftJasper52AGL Certified 9.23ct Natural No Heat Sri Lanka Sapphire Diamond Ring Platinum+US$32,000