Platinum

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VINTAGE PLATINUM DIAMOND ENGAGEMENT RING.: A vintage 1936, platinum (tested) engagement ring, set with an approx. .75 ct., transition cut, natural diamond of J-K color and VS clarity and approx. .25 ct. tw. baguette cut, natural diamonds of H-

2026

VINTAGE PLATINUM DIAMOND ENGAGEMENT RING.

William Smith AuctionsPlainfield , NH

Platinum Morganite and Diamond Cocktail Ring: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 1.40 ctw; GEMSTONES: Morganite approx. 7.06 carats; TESTED: Platinum; CONDITION: Pre-owned, Very Good; ITEM WEIGHT (GRAMS): 7.9 g; MEASUREMENTS: Ring

2026

Platinum Morganite and Diamond Cocktail Ring

Hampton Estate AuctionNew York, NY

VINTAGE PLATINUM & DIAMOND SWIRL PIN.: A vintage, platinum (tested) swirl pin set with approx. 5.0 ct. tw. round brilliant, baguette and single cut, natural diamonds of F-G-H color and VS clarity, 2 1/4 inches long, 20 grams. Tested as nat

2026

VINTAGE PLATINUM & DIAMOND SWIRL PIN.

William Smith AuctionsPlainfield , NH

VINTAGE SIGNED VERDURA PLATINUM & DIAMOND EAR CLIPS.: A pair of vintage, signed Verdura, platinum (tested) clip earrings set with approx. 5.0 ct. tw. round brilliant cut, natural diamonds of F-G color and VS clarity, 1 1/4 inches long, 19.1 grams. Tested

2026

VINTAGE SIGNED VERDURA PLATINUM & DIAMOND EAR CLIPS.

William Smith AuctionsPlainfield , NH

Platinum And Diamond Halo Engagement Ring Mounting: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.50 ctw; STAMPED: PT950, FVS2-2.01ct; CONDITION: Pre-owned, Fair; ITEM WEIGHT (GRAMS): 3.65 g; MEASUREMENTS: Ring size 4; center can fit approx. 6.5

2026

Platinum And Diamond Halo Engagement Ring Mounting

Hampton Estate AuctionNew York, NY

NARCISSE VIVIAN PLATINUM GROUND PORCELAIN VASE.: An antique porcelain vase with platinum ground, gilt handles and foot, with fine hand painting initialed NV, for Narcisse Vivian. 11.75”H.

2026

NARCISSE VIVIAN PLATINUM GROUND PORCELAIN VASE.

William Smith AuctionsPlainfield , NH

Platinum Single Cut Diamond Wreath Band Ring: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.25 ctw; STAMPED: 10%, illegible markings; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 6.7 g; MEASUREMENTS: Ring size 8; ring measures approx.

2026

Platinum Single Cut Diamond Wreath Band Ring

Hampton Estate AuctionNew York, NY

Platinum and Diamond Pave Engagement Ring Mounting: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.75 ctw; STAMPED: JA, PT950, personal engraving; CONDITION: Pre-owned, Very Good; ITEM WEIGHT (GRAMS): 5.5 g; MEASUREMENTS: Ring size 4.5; fits appr

2026

Platinum and Diamond Pave Engagement Ring Mounting

Hampton Estate AuctionNew York, NY

2026

Black Starr & Frost Platinum Pearl And Diamond Pendant Necklace

Hampton Estate AuctionNew York, NY

Platinum And Diamond Split Shank Six Prong Engagement Ring Mounting: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.50 ctw; STAMPED: PLAT; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 14.1 g; MEASUREMENTS: Ring size 4.75, mounting will fit approx. 9.5-10.5 by

2026

Platinum And Diamond Split Shank Six Prong Engagement Ring Mounting

Hampton Estate AuctionNew York, NY

2026

Cathy Waterman Platinum and 14K White Gold Diamond Love Pendant Earrings

Hampton Estate AuctionNew York, NY

Platinum And Diamond Three Stone Engagement Ring Mounting With Tapered Baguettes: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.72 ctw; STAMPED: 10% IRID PLAT; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 5.6 g; MEASUREMENTS: Ring size 7.5; center will fit approx. 8.5-9.

2026

Platinum And Diamond Three Stone Engagement Ring Mounting With Tapered Baguettes

Hampton Estate AuctionNew York, NY

Vintage Platinum Topped 14K Yellow Gold Glass And Diamond Halo Ring: METAL: 14K Yellow Gold, Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.65 ctw; GEMSTONES: Glass center stone measuring approx. 10.50mm by 7.50mm, heavily abraded; TESTED: 14K Yellow Gold, Platinum; CON

2026

Vintage Platinum Topped 14K Yellow Gold Glass And Diamond Halo Ring

Hampton Estate AuctionNew York, NY

Vintage 18K Yellow Gold And Platinum Ruby And Diamond Quatrefoil Ring: METAL: 18K Yellow Gold/Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.33 ctw; GEMSTONES: Rubies weighing approx. 0.35 cttw; TESTED: 18K Yellow Gold/Platinum; CONDITION: Pre-owned, Good; ITEM WEIGHT (GR

2026

Vintage 18K Yellow Gold And Platinum Ruby And Diamond Quatrefoil Ring

Hampton Estate AuctionNew York, NY

Platinum Art Deco Floral Diamond Engagement Ring with Milgrain Detailing 0.91ctw: Platinum Art Deco Floral Diamond Engagement Ring with Milgrain Detailing 0.91ctw This antique Art Deco engagement ring features a solid platinum setting with intricate milgrain etching and a floral mo

2026

Platinum Art Deco Floral Diamond Engagement Ring with Milgrain Detailing 0.91ctw

Diamond DepotNew York, NY

Tiffany & Co Diamond Pendant Cross Necklace Platinum 950 0.66 CTW: Tiffany & Co Diamond Pendant Cross Necklace Platinum 950 0.66 CTW Elevate your jewelry collection with this stunning Tiffany & Co. Diamond Platinum Cross Necklace. This elegant pendant features a beau

2026

Tiffany & Co Diamond Pendant Cross Necklace Platinum 950 0.66 CTW

Mynt AuctionsNew York, NY

Platinum 6.65ct Green Tourmaline Cocktail Ring with Diamond Accents: Platinum 6.65ct Green Tourmaline Cocktail Ring with Diamond Accents This exquisite cocktail ring features a stunning 6.65ct cushion-cut green tourmaline, prong set in solid platinum. The vibrant natur

2026

Platinum 6.65ct Green Tourmaline Cocktail Ring with Diamond Accents

Mynt AuctionsNew York, NY

SOLD

PLATINUM AND DIAMOND ETERNITY BAND RING: PLATINUM AND DIAMOND ETERNITY BAND RING • Platinum • Numerous round diamonds weighing approximately 3.60 - 3.70 carats total • Size 8 1/2 • Estimated gross weight: 8.1 grams Fo

2026

PLATINUM AND DIAMOND ETERNITY BAND RING

BonhamsLos Angeles, CA

(2) Platinum & Diamond Brooches. 13.7 grams, 1.5" - 2". Larger brooch has 3 round diamonds center: (2) Platinum & Diamond Brooches. 13.7 grams, 1.5" - 2". Larger brooch has 3 round diamonds center diamond 2.5 carat Si-2 I/J. with 1 carat diamonds on each side Si-2 I1 H/I with diamond accents.

2026

(2) Platinum & Diamond Brooches. 13.7 grams, 1.5" - 2". Larger brooch has 3 round diamonds center

Bill Hood & Sons Art & Antique AuctionsDelray Beach, FL

Lady's Pear Shape Diamond Engagement Ring. 14K White Gold & Platinum Ring Size 7 with sizer. Pear: Lady's Pear Shape Diamond Engagement Ring. 14K White Gold & Platinum Ring Size 7 with sizer. Pear shape 7.75 carat diamond SI-2 H/I with 2 baguettes .25 carat each.

2026

Lady's Pear Shape Diamond Engagement Ring. 14K White Gold & Platinum Ring Size 7 with sizer. Pear

Bill Hood & Sons Art & Antique AuctionsDelray Beach, FL

2026

HERMES Silk Twilly Scarf

SEUYCORaleigh, NC

CERTIFIED PLATINUM 2.21 CTW J-K/VS-SI1 DIAMOND HALO ENGAGEMENT RING: CERTIFIED PLATINUM 2.21 CTW J-K/VS-SI1 DIAMOND HALO ENGAGEMENT RING (CENTER STONE DIAMOND .90 CTWW J-K/VS-SI1) please request ring size upon payment #PAPPS86717v3

2026

CERTIFIED PLATINUM 2.21 CTW J-K/VS-SI1 DIAMOND HALO ENGAGEMENT RING

Papps Family LiquidationBurbank, CA

PLATINUM 0.50CT DIAMOND CROSS PENDANT: This classic cross pendant is poised to become an instant heirloom. Simple and elegant, Diamonds with a total weight of 0.50 carat allow it to effortlessly emanate light. Its crafted from Platinum and

2026

PLATINUM 0.50CT DIAMOND CROSS PENDANT

DejaVu Estate Sales & Auctions, LLCWest Palm Beach, FL

K18 Yellow Gold Curb Chain Kihei 6-sided W Necklace 20.2g: K18 Yellow Gold Curb Chain Kihei 6-sided W Necklace 20.2g Loose lab-grown diamond weighing 1.51ct, IGI certified with a cushion brilliant cut, color E, clarity VS1, and excellent polish and symmetry.

2026

K18 Yellow Gold Curb Chain Kihei 6-sided W Necklace 20.2g

SEUYCORaleigh, NC

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Platinum Auctions

3.00 CARAT OLD EUROPEAN CUT J SI1 DIAMOND 14 KARAT TWO TONE GOLD ENGAGEMENT RING

3.12 CARAT F VS DIAMOND VINTAGE BANGLE BRACELET 18K TWO-TONE GOLD

21.00 CARAT ROUND BRILLIANT G VS1 DIAMOND 18 KARAT YELLOW GOLD LINK BRACELET

DESIGNER PREMIUM GOLD AND PLATINUM JEWELRY 12

Starts on:

Valley Village, CA, US

LAB-GROWN 3.02 CARAT OVAL E-F-VVS2 DIAMOND 14K YELLOW GOLD HANGING EARRINGS

VINTAGE 18K GOLD DROP EARRINGS WITH 1 CARAT ROUND DIAMONDS & SOUTH SEA PEARLS

LAB-GROWN 7.68 CARAT OVAL E-F-VS1 DIAMOND 14K YELLOW GOLD HANGING EARRINGS

DESIGNER GOLD DIAMOND AND PLATINUM JEWELRY 13

Starts on:

Valley Village, CA, US

Engagement Ring Oval Shaped 2.22 Carat 18k W/G

Buddha Brass Necklace Black Rope 30 Inches 24k gold Overlay

Ruby: 5.32 Diamond: .72CT Ring 14k White Gold

Fine Jewelry Auction: Diamonds & Gemstones

M.D.CHJewelry Co.

Starts on:

Fort Worth, TX, US

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