7.28ct Aquamarine Diamond Ring Estate Sz 6.25 Fine Cocktail Jewelry Emerald Cut
Located in Torrance, CA
Stylish aquamarine & diamond cocktail ring crafted in 900 platinum. Emerald cut aquamarine
Aquamarine, Diamond, White Diamond, Platinum
Vintage Platinum GIA 6.72ctw Black Opal w/ Diamond Halo Cocktail Ring
Located in Montclair, NJ
: Solid .850+ Platinum (tested)- Stamped PT900 Weight: 11.48 Grams Ring Size: 6.0 (Fitted on a finger. We
Diamond, Black Opal, Platinum
Platinum GIA 3.15ctw Dark Blue Cushion Spinel Baguette Diamond Sides Ring
Located in Montclair, NJ
) - Stamped PT900 Weight: 8.49 Grams Ring Size: 7.0 (We can custom size this ring. Please contact us prior to
Diamond, Spinel, Platinum
11.76 Carat Aquamarine and 1.45 Carat Diamond, Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
ring; part of our diverse gemstone jewelry and estate jewelry collections. This stunning, fine and
Aquamarine, Diamond, Platinum
Vintage Platinum GIA 3.37ctw No Heat Pink Sapphire Diamond Target Ballerina Ring
Located in Montclair, NJ
- 2.21ctw (exact) Total Carat Weight: 3.37 (exact) Material: Solid .850+ Platinum (tested) - Stamped PT900
Diamond, Pink Sapphire, Platinum
Platinum GIA 2.78ctw Cat's Eye Alexandrite Baguette Diamond Stack Look Ring
Located in Montclair, NJ
) Material: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 9.75 Grams Ring Size: 6.0 (We can custom
Chrysoberyl, Diamond, Platinum
Platinum 7.06ct Square Vivid Step Cut Green Tourmaline Diamond Flared Heavy Ring
Located in Montclair, NJ
)- Stamped PT900 Weight: 12.5 Grams Ring Size: 6.0 (Fitted on a finger. We can custom size this ring.) Ring
Diamond, Tourmaline, Platinum
Platinum 1.99ctw High Quality Oval Buff Top Tanzanite & Pave Diamond Band Ring
Located in Montclair, NJ
) & Yellow Gold - Stamped PT900 & 18k Weight: 9.49 Grams Ring Size: 6.5 (Fitted on a finger. We can custom
Diamond, Tanzanite, Gold, 18k Gold, Yellow Gold, Platinum
Platinum GIA 7.57ct Long Emerald Cut Indicolite Blue Tourmaline & Diamond Ring
Located in Montclair, NJ
: 7.57 (exact) Material: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 10.08 Grams Ring Size
Diamond, Tourmaline, Platinum
Well Made Solid Platinum 1.61ctw Oval Blue Sapphire w/ Diamond Cocktail Ring
Located in Montclair, NJ
: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 9.68 Grams Ring Size: 8.5 (Fitted on a finger. We
Diamond, Sapphire, Platinum
EGL Certified 1.65 Carat Round & Princess Diamond Platinum Channel Set Ring
Located in Miami, FL
Channel and Half Bezel Set Engagement Ring. Details: Item Type: Channel Set Engagement Ring Metal
Diamond, Platinum
Solid Platinum 2.99ctw Oval Violet Blue Tanzanite w/ Diamond Well Made Ring
Located in Montclair, NJ
: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 10 Grams Ring Size: 5.0 (Fitted on a finger. We
Diamond, Tanzanite, Platinum
Platinum 1.71ctw Oval Royal Blue Sapphire w/ Diamond Halo Bypass Design Ring
Located in Montclair, NJ
: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 6.78 Grams Ring Size: 6.0 (Fitted on a finger. We
Diamond, Sapphire, Platinum
Platinum GIA 2.55ctw Pear Ruby & Diamond Double Halo Ballerina Cocktail Ring
Located in Montclair, NJ
(exact) Material: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 8.64 Grams Ring Size: 5.5
Diamond, Ruby, Platinum
Vintage Platinum AGL 4.84ctw Burma Prominent Star Ruby w/ Diamond Cocktail Ring
Located in Montclair, NJ
.850+ Platinum (tested) - Stamped PT900 Weight: 9.40 Grams Ring Size: 5.0 (Fitted on a finger. We can
Diamond, Ruby, Platinum
Very Nice Platinum GIA 2.53ctw Transparent Blue Star Sapphire Diamond Halo Ring
Located in Montclair, NJ
) - Stamped PT900 Weight: 7.37 Grams Ring Size: 6.0 (Fitted on a finger. We can custom size this ring. Please
Diamond, Sapphire, Platinum
Solid Platinum 1.80ctw Long Rectangular Emerald w/ Carre Cut Diamond Sides Ring
Located in Montclair, NJ
(tested) - Stamped PT900 Weight: 7.44 Grams Ring Size: 5.5 (fitted on finger, we can custom size this ring
Diamond, Emerald, Platinum
Solid Platinum 1.57ctw Oval Sapphire w/ Baguette Diamond Sides Bow Style Ring
Located in Montclair, NJ
) - Stamped PT900 Weight: 3.61 Grams Ring Size: 6.5 (Fitted on a finger. We can custom size this ring - Please
Diamond, Sapphire, Platinum
Platinum 1.77ctw Oval Deep Blue Sapphire w/ Diamond Dual Halo Cocktail Ring
Located in Montclair, NJ
+ Platinum (tested) - Stamped PT900 Weight: 6.13 Grams Ring Size: 4.5 (Fitted on a finger. We can custom size
Diamond, Sapphire, Platinum
Platinum 5.1ctw Unique Oval Grayish Green Cat's Eye Diamond Sides Cocktail Ring
Located in Montclair, NJ
Carat Weight: 5.1 (exact) Material: Solid .850+ Platinum (tested), PT900 (stamped) Weight: 7.43 Grams
Diamond, Tiger's Eye, Platinum
Art Deco Platinum Colombian Emerald Ring, 0.35ct, Women's Size 6.5
Located in Singapore, SG
Stamped - PT900 / 0.35 Ring Size - HK12 /US6.5 (Resizing is available up or down by 2 sizes.) Condition
Emerald, Platinum
Vintage Platinum GIA 4.67ctw VIVID CLEAN Pink Sapphire Baguette Diamond Ring
Located in Montclair, NJ
(tested) - Stamped PT900 Weight: 9.58 Grams Ring Size: 7.0 (Fitted on a finger. We can custom size this
Diamond, Pink Sapphire, Platinum
$2,600Sale Price|20% Off
BALLERINA Classic Ring In Platinum With 2.38 Ctw In Sapphires And Diamonds
Located in Miami, FL
the mark for the assay of the platinum and the exact weight of the gemstones as follow, "PT .900 1.82
Diamond, Sapphire, White Diamond, Blue Sapphire, Platinum
Platinum Free Form Polished Fiery Opal w/ Diamond Textured Nugget Style Ring
Located in Montclair, NJ
Carat Weight: 3.11 (exact) Material: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 10.15 Grams
Diamond, Opal, Platinum
Vintage Platinum GIA 2.55ctw Vivid Red Ruby & Diamond Ballerina Cocktail Ring
Located in Montclair, NJ
), PT900 (stamped) Weight: 10.56 Grams Ring Size: 5.5 (Fitted on a finger. We can custom size this ring
Diamond, Ruby, Platinum
Elegant Solid Platinum GIA 1.56ctw Oval No Heat Ruby & Diamond Ring
Located in Montclair, NJ
Carat Weight: 1.56 (exact) Material: Solid .850+ Platinum (tested) - stamped PT900 Weight: 5.72 Grams
Diamond, Ruby, Platinum
Vintage Platinum Large GIA 11.26ctw No Heat Star Sapphire Diamond Ballerina Ring
Located in Montclair, NJ
) Total Carat Weight: 11.26 (exact) Material: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 11.58
Diamond, Sapphire, Platinum
Platinum 2.85ctw Cabochon Flashy Play Of Color Opal w/ Diamond Statement Ring
Located in Montclair, NJ
) Total Carat Weight: 2.85 (exact) Material: Solid .800+ Platinum (tested) - Stamped PT900 Weight: 7.25
Diamond, Opal, Platinum
2.07ctw Ruby Cabochon and 0.63ctw Diamond Unique Chevron Stacking Band Ring
Located in Osprey, FL
♥ 2.07ctw Ruby Cabochon and 0.63ctw Diamond Unique Chevron Stacking Band Ring Platinum PT900 9g
Diamond, Ruby, Platinum
Platinum GIA 7.87ctw Fantasy Cut Blue Green Tourmaline Pave Diamond Sides Ring
Located in Montclair, NJ
Carat Weight: 7.87 (exact) Material: Solid .850+ Platinum (tested) - PT900 (stamped) Weight: 11.75
Diamond, Tourmaline, Platinum
Platinum 3.13ctw Oval Cat's Eye w/ Diamond Double Halo Ballerina Cocktail Ring
Located in Montclair, NJ
) Total Carat Weight: 3.13 (exact) Material: Solid .850+ Platinum (tested), PT900 (stamped) Weight: 10.2
Diamond, Tiger's Eye, Platinum
Platinum 2.29ctw Oval Bezel Boulder Opal w/ Diamond Cluster Accents Modern Ring
Located in Montclair, NJ
) Material: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 5.07 Grams Ring Size: 5.5 (Fitted on a
Diamond, Opal, Platinum
Platinum 1.55ctw Oval Cut Velvety Blue Sapphire w/ Diamond Classic Cable Ring
Located in Montclair, NJ
) - Stamped PT900 Weight: 8.58 Grams Ring Size: 5.5 (Fitted on a finger. We can custom size this ring.) Ring
Diamond, Sapphire, Platinum
$4,200Sale Price|20% Off
GIA CERTIFIED Cocktail Ring In Platinum With 15.40 Ctw Sapphire And Diamonds
Located in Miami, FL
crafted with substantial weight, in solid platinum .900/.999 platinum with high polished finish. The ring
Diamond, Sapphire, White Diamond, Star Sapphire, Platinum
Vintage Platinum Large 13.64ctw GIA Red Orange Play Opal Diamond Sides Ring
Located in Montclair, NJ
.900 Platinum (tested)- Stamped PT900 Weight: 14.56 Grams Ring Size: 6.5 (Fitted on a finger. We can
Diamond, Opal, Platinum
Platinum GIA 2.81ctw Oval Tanzanite w/ Diamond Sides Split Shank Cocktail Ring
Located in Montclair, NJ
Carat Weight: 2.81 (exact) Material: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 6.97 Grams
Diamond, Tanzanite, Platinum
Platinum Large GIA 24.03ctw Burma Green A Jade w/ Diamond Halo Heavy Ring
Located in Montclair, NJ
) Material: Solid .900 Platinum (tested) - Stamped PT900 Weight: 22.98 Grams Ring Size: 5.5 (Fitted on a
Diamond, Jade, Platinum
Platinum GIA 2.37ct No Heat Dark Royal Blue Sapphire Diamond Wavy Ballerina Ring
Located in Montclair, NJ
) Total Carat Weight: 2.37 (exact) Material: Solid .900 Platinum (tested) - Stamped PT900 Weight: 9.21
Diamond, Sapphire, Platinum
Platinum High Quality GIA 2.04ct No Heat Oval Vivid Red Ruby & Diamond Ring
Located in Montclair, NJ
+ Platinum (tested) - Stamped PT900 Weight: 9.92 Grams Ring Size: 5.5 (Fitted on a finger. We can custom size
Diamond, Ruby, Platinum
Platinum GIA 2.93ctw Oval Cabochon Black Opal W/ Diamond Halo & Sides Ring
Located in Montclair, NJ
(tested)- Stamped PT900 Weight: 11 Grams Ring Size: 5.5 (Fitted on a finger. We can custom size this ring
Diamond, Opal, Platinum
Mid-Century Cultured Pearl and Diamond Platinum Ring, circa 1950s
Located in Beverly Hills, CA
quality. Stamped with “25.40,” “D0.25,” “PT900,” and “K18,” this stunning ring is a size 8 and weighs 20
Platinum
2.16 Carat Colombian Emerald, Diamond and Platinum "Toi Et Moi" Ring
Located in Miami, FL
Stone Origin: Colombia ✔ Ring: PT900 Platinum, 8 Round-Brilliant Cut Diamonds (0.20 Carats) ✔ Era: Circa
Emerald, Diamond, White Diamond, Platinum
Solid Platinum 12.21ctw Oval Cabochon Matrix Fire Opal w/ Diamond Target Ring
Located in Montclair, NJ
Platinum (tested) - Stamped PT900 Weight: 13.83 Grams Ring Size: 6.5 ( fitted on finger, please contact us
Diamond, Fire Opal, Platinum
Vintage Platinum GIA 5.75ctw Blue Star Sapphire w/ Baguette Diamond Sides Ring
Located in Montclair, NJ
+ Platinum (tested) - Stamped PT900 Weight: 6.34 Grams Ring Size: 6.0 (Fitted on a finger. We can custom size
Diamond, Sapphire, Platinum
Vintage Platinum GIA 13.89ctw Cabochon Nice Blue Star Sapphire w/ Diamond Ring
Located in Montclair, NJ
(tested) - Stamped PT900 Weight: 12.98 Grams Ring Size: 6.0 (Fitted on a finger. We can custom size this
Diamond, Sapphire, Platinum
Elegant Platinum GIA 4.71ctw Oval Cabochon Purple Star Sapphire w/ Diamond Ring
Located in Montclair, NJ
) - Stamped PT900 Weight: 7.31 Grams Ring Size: 5.5 (Fitted on a finger. We can custom size this ring. Please
Diamond, Purple Sapphire, Platinum
Platinum GIA 1.86ctw Clean Cushion No Heat Ruby w/ Baguette & Round Diamond Ring
Located in Montclair, NJ
.) Material: Solid Platinum (tested) - Stamped PT900 Weight: 6.23 Grams Ring Size: 6.5 (Fitted on a finger. We
Diamond, Ruby, Platinum
Platinum High Quality 2.89ctw Vivid Pink Tourmaline w/ Diamond Step Sides Ring
Located in Montclair, NJ
- 0.31ctw (exact) Total Carat Weight: 2.89 (exact) Material: Solid .850+ Platinum (tested)- Stamped PT900
Diamond, Tourmaline, Platinum
Platinum GIA 7.32ct Cats Eye Purplish Red Rubellite Tourmaline Diamond Halo Ring
Located in Montclair, NJ
: Solid .850 Platinum (tested), PT900 (stamped) Weight: 7.90 Grams Ring Size: 5.0 (Fitted on a finger. We
Diamond, Tourmaline, Platinum
Solid Platinum Large GIA 6.37ctw Oval Ruby w/ Rose Cut Diamond Halo Ring
Located in Montclair, NJ
+ Platinum (tested) - Stamped PT900 Weight: 9.45 Grams Ring Size: 6.0 (Fitted on a finger. We can custom size
Diamond, Ruby, Platinum
Vintage Platinum GIA 1.47ctw High Quality Burma Star Ruby w/ Diamond Ring
Located in Montclair, NJ
) - Stamped PT900 Weight: 4.14 Grams Ring Size: 5.5 (Fitted on a finger. We can custom size this ring.) Width
Diamond, Ruby, Platinum
Platinum 2.22ctw No Heat Violet Purple Pink Color Change Sapphire Diamond Ring
Located in Montclair, NJ
) Total Carat Weight: 2.22 (exact) Material: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 6.61
Diamond, Pink Sapphire, Platinum
Platinum 5.73ctw Translucent A Apple Green Burma Jade w/ Princess Diamond Ring
Located in Montclair, NJ
) - Stamped PT900 Weight: 5.77 Grams Ring Size: 5.0 (Fitted on a finger. We can custom size this ring - Please
Diamond, Jade, Platinum
1.40 Carat Natural Fancy Light Brownish, Orange, Yellow Diamond Ring
Located in Tokyo, JP
contact us for more information. Stamping: Pt900; 1.402; 0.26 Ring Size: 12 (Japan), 6 1/4 (US), M (UK
Diamond, Yellow Diamond, Brown Diamond, Platinum
GIA Certified 2.65ct No Heat Ceylon Sapphire 1.22ct Diamond Engagement Ring
Located in New York, NY
ring measures 11.5mm by 11mm. The ring is stamped Pt900 S2.65 D1.22 and weighs 9 grams. The ring is
Diamond, Sapphire, Platinum
Platinum GIA 2.43ctw Very Nice Oval Sapphire w/ Diamond Ballerina Cocktail Ring
Located in Montclair, NJ
- 0.86ctw (exact) Total Carat Weight: 2.43 (exact) Material: Solid .850+ Platinum (tested) - Stamped PT900
Diamond, Sapphire, Platinum
Vintage Platinum GIA High Quality 3.89ctw Burma A Jade Diamond Ballerina Ring
Located in Montclair, NJ
.850+ Platinum (tested) - Stamped PT900 Weight: 10.01 Grams Ring Size: 5.0 (Fitted on a finger. We can
Diamond, Jade, 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.
Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.
No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.
Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.
Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. 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.
The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry.
The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.
Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.
Ancient Egyptians referred to the vibrant stone as the “gem of the sun.”
There are many ways to showcase a diamond, from traditional prongs to a smooth, streamlined bezel. Here’s everything you need to consider.
The vintage bombé ring is bursting with color and timeless style.
Zircon is a magnificent and underrated natural gemstone that has been worn and adored for centuries.
Givers of fine gems enjoy surprise more than receivers, and women more than men. Find out what else our survey of 3,000 Americans revealed.
If diamonds don’t seem right, what about a magnificent sapphire, ruby or emerald?
Accounting for just 1 percent of all diamonds, these marvels of nature are exceedingly rare and gorgeously complex.
Learn about these antique jewelry styles, then choose a design that speaks to you.