3.95ct Old European Cut Diamond Engagement Ring
By Mark Broumand
Located in Los Angeles, CA
elegance set in vintage platinum. The centerpiece is a GIA-certified 3.55ct old European cut diamond
Diamond, Sapphire, Platinum
Unavailable
H 1.58 in W 7.09 in D 0.2 in
Extremely Rare Art Deco Platinum 50ct Diamond Bracelet with French Assay Mark
Located in London, GB
This is an extremely rare Art Deco diamonds and platinum bracelet the biggest diamonds are over 1.2
Diamond, Platinum
Unavailable
H 0.79 in D 0.22 in L 7.88 in
1930s Diamond, Platinum an Black Onyx Bracelet / Choker with French Assay Mark
Located in London, GB
A breathtaking diamond, platinum and black onyx bracelet with the extension attached it can be wore
Diamond, Onyx, Platinum
Mark Broumand 3.90 Carat Cushion Cut Ceylon Sapphire Engagement Ring
By Mark Broumand
Located in Los Angeles, CA
certified non-heated. It is beautifully set in an antique platinum setting with exquisite hand engraving
Sapphire, Platinum
Mark Broumand 2.20 Carat Old Mine Cut Diamond Engagement Ring
By Mark Broumand
Located in Los Angeles, CA
diamonds set around the platinum shank. All of the side diamonds are beautifully matched and graded at E
Diamond, Platinum
Antique Diamond Question Mark Stick Pin, 9k Gold and Platinum
Located in NEWARK, GB
gold with a platinum illusion front. The top and bottom of the question mark is set with a single old
Diamond, 9k Gold, Yellow Gold, Platinum
Art Deco Platinum and White Gold, Onyx and Diamond Question Mark Ring
Located in Amsterdam, NL
A platinum and white gold Art Deco ring set with a square onyx with a platinum and rose cut
White Diamond, Onyx, 14k Gold, Platinum
1920s Antique 2.36 Carat Diamond and Platinum Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
exterior ring shank is clearly hallmarked with the French import mark for platinum jewelry (bearded man
Diamond, Platinum
Contemporary 4.82 CTW Oval Cut No Heat Sapphire Emerald Cut Diamond RIng
Located in Philadelphia, PA
platinum With maker's mark for Ptak Jewelry Circa: 2020's Ring size: 6 1/4 and sizable Measures North to
Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum
Diamond Question Mark Stick Pin
Located in New York, NY
Platinium and 18K Gold Diamond Question Mark Stick Pin with Suspended Diamond Fine Milgraining
Diamond, 18k Gold, Platinum
Belle Epoque 2.15 Carat Diamond Panel Ring Plat /Gold French Import Marks
Located in Napoli, IT
Details Below Metal: 18 Kt yellow gold and platinum Hallmarks: French import duty and assay marks Gems: 3
Diamond, Gold, Platinum
Art Deco Old Mine Diamond Engagement Platinum Ring
Located in New York, NY
Art Deco Old Mine Diamond Engagement Ring in Platinum A striking example of Art Deco elegance, this antique engagement ring features a luminous old mine-cut diamond set within an in...
Diamond, Platinum
Antique Art Deco Platinum Old Mine Diamond French Cut Engagement Ring - GIA
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Old Mine Diamond French Cut Engagement Ring - GIA. This incredible old mine diamond engagement ring is crafted in platinum. The ring features a go...
Diamond, Platinum
Vintage Granat Brothers Old European Cut Diamond and Platinum Engagement Ring
Located in Scottsdale, AZ
Ring size: 5.75 This stunning vintage diamond engagement ring will absolutely take your breath away. Exquisitely designed with multiple shapes of diamonds in a luxurious platinum se...
Diamond, White Diamond, Platinum
$70,400Sale Price|20% Off
Antique Tiffany & Co. Old Cut Diamond Platinum Engagement Ring
By Tiffany & Co.
Located in Chicago, IL
A rare and exquisitely crafted antique Tiffany & Co. engagement ring, showcasing a stunning 2.15-carat old cut diamond certified by GIA as I color, VS1 clarity. The diamond is beauti...
Diamond, White Diamond, Platinum
GIA 3.47ct Asscher Cut Diamond 3 Stone Engagement Wedding Platinum Ring
Located in New York, NY
Timeless Estate GIA 3.47ct Asscher Cut Diamond Engagement Anniversary 3 Stone Platinum Ring. This Impressive ring will take your breath away! Once in a lifetime opportunity to own a...
Diamond, Platinum
Antique Certified 4.97ct Fancy Light Yellow Old Cushion Cut Diamond Ring
Located in London, GB
A beautiful antique 4.97ct old cushion cut diamond three stone ring set in 18k yellow gold and platinum. The ring is centrally set with a stunning antique old cushion cut diamond wh...
Diamond, 18k Gold, Yellow Gold, Platinum
Art Deco GIA Vintage Antique 3.0ct Old EURO Diamond Sapphire Pt Engagement Ring
Located in New York, NY
Art Deco GIA 3.0ct Old EUROPEAN Diamond Sapphire Platinum Engagement Vintage Antique Ring. Few come finer or as fabulous as this original handcrafted platinum diamond and sapphire ri...
Diamond, Sapphire, Blue Sapphire, Platinum
Antique Art Deco Platinum Old European Cut Diamond Engagement Ring - GIA
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Old European Cut Diamond Engagement Ring - GIA. This gorgeous antique Art Deco old European cut diamond engagement ring is crafted in platinum. Th...
Diamond, Platinum
Antique Diamond Ring. 1.20ct Old European Cut Diamond Engagement Ring I VS2
Located in New York, NY
"Boldly expressive of the Art Deco period’s architectural elegance, this circa 1925 diamond ring centers on a striking Approx 1.20-carat old European cut diamond secured in refined s...
Diamond, Platinum
Art Deco Certified Diamond Engagement Ring of Platinum
Located in Lewisburg, PA
A masterpiece of the Art Deco era (circa 1920–1930), this extraordinary engagement ring marries timeless elegance with exceptional craftsmanship. At its heart lies a 1.94 carat old E...
Diamond, Sapphire, Platinum
Antique Art Deco 1920s 2.15 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with a GIA certified Old European cut Diamond weighing 2.15 carats, F color, SI1 clarity, GIA #1146620231. The ring features small accenting Old European c...
Diamond, Platinum
Antique Edwardian 1910s 2.37 Carat Old Mine Cut Diamond Engagement Ring
Located in New York, NY
Finely crafted in 18K white gold with a GIA certified Old Mine cut Diamond weighing 2.37 carat, I color, SI1 clarity, GIA #12500962. The ring features accenting Square-cut blue Sapph...
Diamond, Sapphire, 18k Gold
Antique Edwardian Platinum Old Euro Diamond Sapphire Engagement Ring - GIA
Located in Great Neck, NY
Beautiful Antique Edwardian Platinum Old Euro Diamond Sapphire Engagement Ring - GIA. This gorgeous Edwardian old Euro diamond and sapphire engagement ring is crafted in platinum. Th...
Diamond, Sapphire, Platinum
Antique Art Deco Platinum Old European Cut Diamond Engagement Ring - GIA
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Old European Cut Diamond Engagement Ring - GIA. This gorgeous Art Deco old European diamond engagement ring is crafted in platinum. This ring feat...
Diamond, Sapphire, Platinum
Peter Suchy GIA 3.01 Carat Diamond Rose Gold Three-Stone Engagment Ring
By Peter Suchy
Located in Stamford, CT
Spectacular Art Deco estate diamond three-stone engagement ring. At the center is a 1930's 3.01ct cushion cut diamond in a 18k rose gold bezel mounting. Accented by 2 vintage trapezo...
Diamond, Gold, 18k Gold, Rose Gold
Mid-Century 4.04ct Round Diamond Platinum Engagement Ring
Located in Beverly Hills, CA
This Mid-Century engagement ring is a powerful statement of scale, confidence, and timeless design. At its center rests a commanding round brilliant cut diamond of remarkable presenc...
Diamond, Platinum
Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.
From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!
There are several factors that set diamonds apart from other stones, and these points are important to our gem education.
Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.
In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).
When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement rings, vintage engagement rings or Art Deco engagement rings.
Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.