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
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
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
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
Sold2017Tiffany & Co Platinum Diamond Aquamarine RingMETAL: platinum. GEMSTONES: diamonds, aquamarine ( RI 1.56). MEASUREMENTS: ring size 5. Ring top is 14.4mm x 11mm. MARKED: Irid Plat Tiffany & Co. WEIGHT: 7.4 grams. Gemstones have not been gradedSee Sold Price
Sold2018Tiffany & Co Platinum Diamond Aquamarine RingA Tiffany & Co Soleste platinum diamond & aquamarine ring. Size 4.5. 1ctw of diamonds, d-f color, VVS2 clarity. Aquamarine center stone measures 8.6mm x 8.6mm x 4.8mm, aprx. 1.70 ct. Accompanied by TiSee 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
Sold2019Platinum Diamond Aquamarine RingMETAL: platinum. GEMSTONES: diamonds, aquamarine 15.7 x 12.7 x 8.5mm. MEASUREMENTS: ring size 6.25. Ring top is 16.5mm at widest point. TESTED: platinum. WEIGHT: 8.7 grams.Gemstones have not been gradSee 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
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
Sold2018Tiffany & Co Platinum Diamond 2ct Aquamarine RingMETAL: Platinum. MEASUREMENTS: Ring size - 7 1/4, ring top is 8.8mm x 16mm. GEMSTONES: Aquamarine - approx. 2ct ( by formula), two diamonds - approx. 0.50ctw. MARKED: Tiffany & Co, pt950. WEIGHT:See Sold Price
Sold2022Platinum Retro Diamond Aquamarine RingPlatinum Weight 10.04g  Retro Diamond Approx. 1ct Aquamarine Approx. 7.7ct Ring Size 5.5 Measurements 0.7”x0.75” Has European Hallmarks See Sold Price
Sold2020Estate Platinum Diamond 9.18Ct Aquamarine RingMetal Content: Platinum.Weight of Item: 7.5 grams.Size: Ring size 6. Top is 15mm.Gemstone: Aquamarine 15mm x 11,5mm, Diamonds.Carat Weight: Diamonds-approx. 0.09ctw, Aquamarine-approx. 9.18ct.Stamp: PSee Sold Price
Sold2017Platinum Diamond 1.91ct Aquamarine RingMETAL: platinum. MEASUREMENTS: ring size - 6 1/2, ring top is 15mm x 16mm. GEMSTONES: oval aquamarine - approx. 1.91ct by formula, diamonds approx. 0.42ctw. MARKED: 17230, 10% irid. WEIGHT: 7.7 grams.See Sold Price
Sold2018Platinum Diamond 4ct Aquamarine RingMETAL: platinum. GEMSTONES: diamonds-approx. 0.48ctw, aquamarine - 11mm x 9.7mm x .6.8mm (approx. 4ct by formula) . MEASUREMENTS: ring size 4. Ring top is 16mm at widest point. MARKED: PL. WEIGHT: 6 gSee Sold Price
Sold2019Platinum Diamond & Aquamarine Victorian Ring WithRetail: $1900 Platinum Diamond & Aquamarine Victorian Ring, Size 6.5 European Cut center, Aquamarine measures 6.67 mm in diameter. The estimated weight is 1.25 carat. The ring is flanked with sideSee 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
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
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
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
13 hrs LeftElmwood'sAN AQUAMARINE AND DIAMOND RING in platinum, set with an oval cut aquamarine in a border of round£350
19 hrs LeftMiami Auctions & Appraisals LLC Vintage Aquamarine Diamond Platinum Tall Geometric Cocktail RingUS$10,250
19 hrs LeftMiami Auctions & Appraisals LLC GIA 10.77ct Aquamarine Diamond Platinum Drop Pear Cut Cocktail RingUS$8,800
6 days LeftSeized Assets Auctioneers14k Gold & Platinum 19.49 ctw Large GIA Aquamarine & Diamond Basket Weave RingUS$1
Jun 23Modern JewelryTiffany & Co. 2.00 Carat Aquamarine 0.11 Round Diamond Platinum Gems Stone RingUS$4,650
4 days LeftMynt AuctionsPlatinum Ring with Oval Aquamarine That Weights 10.87 Cts and Halo Diamond RingUS$5
1818 AuctioneersAn Art Deco aquamarine and diamond ring, the central emerald cut aquamarine measuring£600
1 day LeftRiverside GalleriesPlatinum Setting with 2.66ct Aquamarine and 0.62ct Diamond Ladies RingUS$50
5 days LeftRiverside GalleriesPlatinum Setting with 2.66ct Aquamarine and 0.62ct Diamond Ladies RingUS$50
2024Eric's Estate & JewelryHeart Cut Aquamarine and Diamond Toi Et Moi Ring in Sterling SilverSee Sold Price