Sold2017Platinum Sapphire Diamond Pin BroochSapphire and Diamond Pin - stones set in platinum .6 inches by 1.1 inches, cabochon sapphire is 4mm by 6 mm. weighs 8.9 grams. No hallmark but tested Please note that this lot has a confidential reserSee Sold Price
Sold2018Platinum Sapphire Diamond Pin BroochSapphire and Diamond Pin - stones set in platinum .6 inches by 1.1 inches, cabochon sapphire is 4mm by 6 mm. weighs 8.9 grams. No hallmark but tested Please note that this lot has a confidential reserSee Sold Price
Sold2019Art Deco Platinum Sapphire and Diamond Pin, FrenchCrafted in platinum; centering a rectangular cut sapphire weighing approximately 2.50 carats; accented with 34 square- and rectangular-cut sapphires, weighing a total of approximately 2.80 carats; andSee Sold Price
Sold2022LADY'S PLATINUM SAPPHIRE AND DIAMOND RING W/AJI CERTIFICATION.Lady's platinum and diamond ring consisting of 1 oval mixed cut blue sapphire measuring 12.2x9.5x4.9mm weighing 4.95cts (stamped) and 2 straight baguette cut diamonds with a total weight of 0.48cts (sSee Sold Price
Sold2018Vtg LADIES PLATINUM PLUM SAPPHIRE DIAMOND RINGExquisite ladies vintage estate ring crafted of platinum featuring a center large cabochon cut plum sapphire with halo design set with baguette and round cut genuine diamonds. Marked "10% IRID PLAT".See Sold Price
Sold2022Lady's platinum sapphire and diamondring signed Petri with natural round sapphire which is 2.33ct bezel surrounded by diamonds with a total weight of approx. .48ct; appraised in 1997 for $4,985.00See Sold Price
Sold2017A Lady's Platinum Sapphire and Diamond RingPlatinum ring featuring cushion cut bright blue sapphire weighing approx .80 ct. and side diamond accents, sz 5, 3 grams twSee Sold Price
Sold2022Platinum Sapphire and Diamond RingPlatinum Sapphire and Diamond RingAntique ladies platinum Sapphire and Diamond ring with one round blue sapphire weighing 1.50 carats, very good color with one Belgium cut diamond weighing 1.0 carat sSee Sold Price
Sold2018Platinum sapphire and diamond ringLadies platinum sapphire and diamond ring featuring a prong set oval cut very slightly grayish violetish blue sapphire weighing approx. 2.31ct.. accented with a stylized double halo of prong set bagueSee Sold Price
Sold2021Platinum sapphire and diamond ringLadies platinum sapphire and diamond ring featuring a prong set rectangular step cut sapphire weighing approx. 1.42ct.. Surrounded by a floral frame of prong set round brilliant cut diamonds weighingSee Sold Price
Sold2023Platinum Tri-Color Sapphire & Diamond Brooch Pin" A lovely, remarkably wearing tri-color sapphire and diamond brooch pin set in Platinum 950 is accentuated with oval sapphires and linked by over 1 carat marquise-shaped diamonds in a prong setting.See Sold Price
Sold2015Lady’s Platinum Purple Star Sapphire Diamond DinnerLady’s platinum purple star sapphire diamond dinner ring. Cabochon measures 15.2 x 13.6 x 10 1/2mm tall. Set with 10 round full-cut diamonds, 8 round single-cut diamonds, 10 straight baguette cut diSee Sold Price
Sold2018Ladies 1940's Platinum Diamond Ruby Pin, 1.84ctwItem: Ladies Antique 1940's Platinum & Diamond & Ruby Pin Brand: Unbranded Metal Purity: platinum Gemstones: Diamonds, Rubies Carat Weights: 1.20 ct diamonds TW, .64 ct rubies TW Size: 2 3/4" x 1" MouSee Sold Price
Sold2017A Lady's Russian Platinum Ruby & Diamond PinA Lady's Russian Platinum Ruby & Diamond Pin / Brooch / Pendant. Containing four (4) rubies set in a platinum mounting containing 2.50 carats of diamonds. Clarity SI clarity H-I color. approx weight 1See Sold Price
Sold2019Ladies Platinum Diamond Sapphire WatchFantastic Vintage Ladies Watch in Platinum (case and band), set with Round Cut Diamonds and vivid blue sapphires. Pery Watch Swiss 17j Movement, fits 6" wrist, Net Weight (without movement) 15.6 gramsSee Sold Price
Sold2020ART DECO LADIES PLATINUM, DIAMOND & SAPPHIRE WATCHA ladies fancy watch with round and trapezoid diamonds and sapphires. Dimensions: H 1.5" x W .5" Weight: (Without movement) 8.7 dwt Condition: The right flanking diamond has a chip to one corner. SignSee Sold Price
Sold2016*LADIES' PLATINUM DIAMOND SAPPHIRE WRISTWATCHHaving jeweled movement, stem wound and set, having Arabic numeral markers, in silvered finish dial, contained in platinum, diamond and blue sapphire case set with several small round cut diamonds, wiSee Sold Price
Sold2018Platinum yellow sapphire and diamond earringsLadies platinum yellow sapphire and diamond earrings featuring prong set oval cut moderately strong yellow sapphires weighing approx. 10.08ct.. Accented with a scrolling frame of prong set round brillSee Sold Price
Sold2015VINTAGE PLATINUM, STAR SAPPHIRE & DIAMOND RINGVintage ladies platinum, star sapphire and diamond estate ring; (1) natural star sapphire corundum, oval cabochon-cut, weighing approx 24.63cts, tone: medium dark, saturation: grayish, hue: blue, theSee Sold Price
Sold2020Platinum 19.5 CTTW Star Sapphire Diamond PendantAntique ladies platinum star sapphire and diamond pendant. Features central cabochon star sapphire with an estimated weight of approximately 15 carats. Medium blue translucent body surrounded by haloSee Sold Price
Sold2022Platinum Pink Syn. Sapphire / Diamond Ring.Ladies Platinum Pink Syn. Sapphire / Diamond Ring. Ring has one Pink Syn. Sapphire on the center with 30 round Diamonds. Ring size: 6.25. Total weight: 9.80 Grams.See Sold Price
Sold2017PLATINUM DIAMOND & SAPPHIRE PIN APPROX. 1.75 CT-Platinum 1.75 ct. diamond and sapphire pin -Sapphire center stone 3/8 ct. -Overall condition is excellent, no surface wear or scratches -Estimated total diamond weight = 1.75 ctw -Approx. total weighSee Sold Price
Sold2016A LADIES ANTIQUE PLATINUM DIAMOND & SAPPHIRE RINGApproximate diamond measurements are: three center stones 0.12ct each, 16 other stones measure .01 to .03 ct. each, four square cut sapphires, measures a size 7.5 and weighs 4 grams.See Sold Price
Sold2024Platinum Diamond Sapphire PinPlatinum diamond sapphire pin; frame tests platinum and is set with a 6x6mm cushion shaped blue sapphire in a flower, and additional small 1.0x1.0mm square calibre accent blue sapphires in a ribbon deSee Sold Price
6 days LeftCrescent City Auction GalleryLady's Platinum Sapphire and Diamond Dinner Ring, Total Diamond Wt.- .62 cts., Size- 7, with apprais$1,600
7 days LeftCrescent City Auction GalleryOscar Friedman Lady's Platinum Yellow Sapphire and Diamond Dinner Ring, Total Diamond Wt.- .8 cts.,$3,250
7 days LeftCrescent City Auction GalleryLady's Platinum Blue Sapphire and Diamond Dinner Ring, Diamond Accent Wt.- .76 cts., Total Sapphire$2,400
6 days LeftCrescent City Auction GalleryLady's Platinum Sapphire Dinner Ring, Total Diamond Wt.- .22 cts., Size- 6 3/4, with appraisal.$2,000
6 days LeftCrescent City Auction GalleryLady's Platinum Heart Shaped Sapphire and Diamond Dinner Ring, Total Diamond Wt.- 1.51 cts, Size- 6$2,500
3 days LeftJasper52Oscar Heyman Sapphire Diamond Platinum Necklace Bracelet Brooch Pin Pendant$68,000