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Platinum Hallmark

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Antique Art Deco Platinum Hallmarked Old Mine Diamond Three Stone Ring
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Hallmarked Old Mine Diamond Three Stone Ring. This gorgeous
Category

Vintage 1920s Unknown Art Deco Three-Stone Rings

Materials

Diamond, Platinum

Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.3 grams Finger to Top of
Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

Platinum

Platinum Wedding Band
Located in Atlanta, GA
Item Details: Ring Size: 3.75 Metal Type: 900 PLATINUM [Hallmarked & Tested] Weight: 1.5 grams
Category

Vintage 1930s Unknown Art Deco Band Rings

Materials

Platinum

Art Deco Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.77 grams Finger to Top of
Category

Vintage 1920s Unknown Art Deco Wedding Rings

Materials

Platinum

1920s Engraved Platinum Wedding Band
Located in Atlanta, GA
Year: 1920s Item Details: Ring Size: 4.75 Metal Type: Platinum [Hallmarked, and Tested] Weight
Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

Platinum

Art Deco Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 6.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.5 grams Finger to Top of
Category

Vintage 1940s Unknown Art Deco Engagement Rings

Materials

Platinum

Art Deco Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 10.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.0 grams Finger to Top of
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Platinum

Art Deco Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 4.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 1.4 grams Finger to Top of
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Platinum

Platinum Art Deco Wedding Band with Engravings
Located in Atlanta, GA
Year: 1920s Item Details: Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.0
Category

Vintage 1920s Unknown Art Deco Wedding Rings

Materials

Platinum

Platinum Tiffany and Co Diamond Eternity Band
Located in Atlanta, GA
Ring Size: 5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.1 grams Diamond Details: .75ct
Category

Early 2000s Unknown Contemporary Band Rings

Materials

Platinum

1920 Art Deco Platinum Engraved Wedding Band
Located in Atlanta, GA
Year: 1920 Item Details: Ring Size: 5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.6
Category

Vintage 1920s Art Deco Wedding Rings

Materials

Platinum

Platinum Art Deco Diamond Eternity Band with Engraving, circa 1925
Located in Atlanta, GA
Item Details: Ring Size:5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.1 grams Band
Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

Platinum

5.25 Carat Diamond Platinum Brooch
Located in Atlanta, GA
Metal Type: Platinum [Hallmarked, and Tested] Weight: 15 grams Diamond Details: Weight: 5.25 carat
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

White Diamond, Platinum

Yellow Gold and Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 7 Metal Type: 18 karat Yellow Gold & Platinum [Hallmarked, and Tested] Weight: 4 grams
Category

Antique Early 1900s Unknown Edwardian Band Rings

Materials

14k Gold, Yellow Gold, Platinum

1927 Engraved Date Platinum Art Deco Wedding Band
Located in Atlanta, GA
Year: 1927 (Engraved on inner shank) Item Details: Ring Size: 6.25 Metal Type: Platinum
Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

Platinum

Circa 1920s Platinum Diamond Wedding Band
Located in Atlanta, GA
Year: 1920s Item Details: Ring Size: 6 (Sizable) Metal Type: Platinum [Hallmarked, and Tested
Category

Vintage 1920s Art Deco Wedding Rings

Materials

Diamond, Platinum

1940s Platinum Diamond Three Row Wedding Band
Located in Atlanta, GA
Year: 1940s Item Details: Ring Size: 5.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 7.5
Category

Vintage 1940s Wedding Rings

Materials

Diamond, Platinum

1.00 Carat Art Deco Cabochon Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 8.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 7.25 grams Center Stone
Category

Vintage 1950s Unknown Art Deco Wedding Rings

Materials

Platinum

.96 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.2 grams Center Diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.50 Carat Diamond Platinum Ring
Located in Atlanta, GA
Ring Size: 5.75 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.6 grams Diamond Details
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

1.42 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 grams Center Diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Platinum

Platinum Princess Cut Diamond Eternity Band 3.00 Carat
Located in Atlanta, GA
Item Details: Ring Size: 8.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 5.5 grams
Category

1990s Unknown Contemporary Band Rings

Materials

Diamond, Platinum

1940 Platinum .25cttw Diamond Arched Wedding Band
Located in Atlanta, GA
Year: 1940 Item Details: Ring Size: 7.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.6
Category

Vintage 1940s Art Deco Engagement Rings

Materials

Diamond, Platinum

1.53 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4 grams Center Diamond Details
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

Circa 1940s Platinum Diamond Flower Brooch
Located in Atlanta, GA
Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 9.4 grams Diamond Details
Category

Vintage 1940s Art Deco Brooches

Materials

Diamond, Platinum

Platinum Marquise and Round Diamond Wedding Band
Located in Atlanta, GA
Item Details: Ring Size:5.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 5.7 grams
Category

Vintage 1950s Unknown Victorian Engagement Rings

Materials

Diamond, Platinum

1.00 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 5.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 grams Center Diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

Platinum Elsa Peretti Tiffany & Co. Teardrop Diamond Pendant
Located in Atlanta, GA
Metal Type: Platinum [Hallmarked, and Tested] Weight: 5.3 grams Diamond Details: Weight: 0.75cttw
Category

Early 2000s Unknown Contemporary Chain Necklaces

Materials

Platinum

Platinum Art Deco Antique Single Cut Diamond Cross
Located in Atlanta, GA
Year: 1940s Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 6.6 grams Diamond
Category

Vintage 1940s Art Deco Pendant Necklaces

Materials

Diamond, Platinum

1930s Platinum Art Deco Diamond Shield Ring
Located in Atlanta, GA
Item Details: Ring Size: 4.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.1 grams
Category

Vintage 1930s Unknown Art Deco Wedding Rings

Materials

Diamond, Platinum

.40 Carat Total Weight Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.8 grams ‌ Diamond Details
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

.70 Carat Diamond Platinum Brooch
Located in Atlanta, GA
Metal Type: Platinum [Hallmarked, and Tested] Weight: 9 grams Center Diamond Details: Weight
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

White Diamond, Platinum

.88 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 grams Center Diamond Details
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.25 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 grams Center Diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

1.42 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.2 grams Center Diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.90 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: grams Center Diamond Details
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco Styl Colombia Emerald Diamond Sapphire Ring Platinum
Located in Bad Kissingen, DE
Platinum hallmarked PL 950 0,91 ct emerald colombia 1,02 ct sapphire 1,54 ct diamond size 55,5
Category

21st Century and Contemporary European Art Deco Fashion Rings

1.01 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4 grams Center Diamond Details
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Platinum

1960 Platinum Diamond Dip Wedding Band
Located in Atlanta, GA
Year: 1960 Item Details: Ring Size: 4.75 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.2
Category

Vintage 1960s Art Deco Wedding Rings

Materials

Diamond, Platinum

Circa 1920s Art Deco Platinum Baguette Diamond Band
Located in Atlanta, GA
Year: 1920s Item Details: Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.7
Category

Vintage 1920s Art Deco Band Rings

Materials

Diamond, Platinum

Tiffany & Co Platinum Seagull Diamond Brooch Pin
Located in Atlanta, GA
Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.8 grams Diamond Details
Category

Early 2000s Unknown Contemporary Brooches

Materials

Diamond, Platinum

.90 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Item Details: Ring Size: 4 Metal Type: 900 PLATINUM [Hallmarked & Tested] Weight: 3 grams Center
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.15 Carat Art Deco Diamond Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 5.75 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.09grams Diamond Details
Category

Vintage 1940s Unknown Art Deco Wedding Rings

Materials

Diamond, Platinum

1920s Platinum Royal Art Deco Drop Diamond Necklace
Located in Atlanta, GA
Metal Type: Platinum [Hallmarked, and Tested] Weight: 5.6 grams Diamond Details: Cut: Old European
Category

Vintage 1920s Unknown Art Deco Pendant Necklaces

Materials

Diamond, Platinum

1.00 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 11 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.0 grams Diamond Details
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

.25 Carat Total Weight Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.9grams Diamond Details: Weight
Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

Platinum

.75 Carat Total Weight Platinum Wedding Band
Located in Atlanta, GA
Ring Size: 8.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.9 grams Diamond Details
Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

Platinum

.50 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Item Details: Ring Size: 3.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 grams
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.55 Carat Retro Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 1.80 grams Center Diamond
Category

Vintage 1940s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

.65 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 5.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.3 grams Center Diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

.40 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 4.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.8 grams Center Diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

.30 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 6.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.65 grams Center Diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

1930s Platinum “Toi Et Moi” Pearl & Diamond Engagement
Located in Atlanta, GA
Item Details: Ring Size: 7.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.7 grams
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Platinum

Platinum Art Deco Ornate Diamond Eternity Wedding Band
Located in Atlanta, GA
Year: 1940s Item Details: Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 8.8
Category

Vintage 1940s Unknown Art Deco Wedding Rings

Materials

Platinum

Platinum Art Deco Ornate Diamond Eternity Wedding Band
Located in Atlanta, GA
Year: 1940s Item Details: Ring Size: 6.25 Metal Type: Platinum [Hallmarked, and Tested] Weight
Category

Vintage 1940s Unknown Art Deco Wedding Rings

Materials

Platinum

.55 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 5.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.0 grams Center Diamond
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

.90 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 5.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.32 grams Center Diamond
Category

Vintage 1940s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

.51 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 5.75 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.5 grams Center Diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

1.35 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 7 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.5grams Center Diamond Details
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

.75 Carat Art Deco Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 7.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 2.9 grams Diamond Details
Category

Vintage 1940s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

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Platinum Hallmark For Sale on 1stDibs

On 1stDibs, you can find the most appropriate platinum hallmark for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using platinum, gold and 18k gold. You can easily find a 10677 antique edition and 2882 modern creations to choose from as well. You’re likely to find the perfect platinum hallmark among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. A platinum hallmark from Tiffany & Co., Cartier and Van Cleef & Arpels — each of whom created a beautiful version of this treasured accessory — is worth considering. While most can agree that any platinum hallmark from our collection can easily elevate most outfits, but the choice of a diamond version from the 8465 available is guaranteed to add a special touch to your ensemble. A round cut version of this piece has appeal, but there are also old european cut and brilliant cut versions for sale. If you’re browsing our inventory for a platinum hallmark, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Platinum Hallmark?

On average, a platinum hallmark at 1stDibs sells for $5,816, while they’re typically $10 on the low end and $6,675,000 for the highest priced versions of this item.