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Platinum Diamond eternity band. PT900 1/2ctw Half Anniversary Infinity Ring
Platinum Diamond eternity band. PT900 1/2ctw Half Anniversary Infinity Ring

Platinum Diamond eternity band. PT900 1/2ctw Half Anniversary Infinity Ring

Located in Port Charlotte, FL

: 4mm wide band 5 diamonds total est. 0.5ctw SI clarity H color 3.2grams total 3.25 Ring Size

Category

21st Century and Contemporary Modern Wedding Rings

Materials

Diamond, Platinum

Platinum Diamond eternity band. PT900 1/3ct Half Eternity Infinity Ring.
Platinum Diamond eternity band. PT900 1/3ct Half Eternity Infinity Ring.

Platinum Diamond eternity band. PT900 1/3ct Half Eternity Infinity Ring.

Located in Port Charlotte, FL

Beautiful Platinum band 0.31ctw Total Diamonds Half set eternity band. Details: 4mm wide band 7 diamonds total est. 0.31ctw SI clarity G-H color 3.5grams total Size 6

Category

21st Century and Contemporary Modern Wedding Rings

Materials

Diamond, Platinum

Platinum Diamond eternity band. PT900 1/2ct Half Eternity Infinty Ring.
Platinum Diamond eternity band. PT900 1/2ct Half Eternity Infinty Ring.

Platinum Diamond eternity band. PT900 1/2ct Half Eternity Infinty Ring.

Located in Port Charlotte, FL

Beautiful Platinum band 0.54ctw Total Diamonds Half set eternity band. Details: 3.5mm wide band 9 diamonds total est. 0.54ctw SI clarity G-H color 4.3grams total

Category

21st Century and Contemporary Modern Wedding Rings

Materials

Diamond, Platinum

Almost 1 Carat Santa Maria Aquamarine & 1 Carat White Diamond PT900 Amazing Ring
Almost 1 Carat Santa Maria Aquamarine & 1 Carat White Diamond PT900 Amazing Ring

Almost 1 Carat Santa Maria Aquamarine & 1 Carat White Diamond PT900 Amazing Ring

By Malpani Jewels

Located in Hung Hom, HK

A 1 carat Santa Maria Aquamarine is set along side with 1 carat diamond on this PT 900 Platinum

Category

2010s Japanese Art Nouveau Cocktail Rings

Materials

Aquamarine, White Diamond, Platinum

Platinum Zambian Emerald & Diamond Ring 4.56ct Emerald Cut Ring
Platinum Zambian Emerald & Diamond Ring 4.56ct Emerald Cut Ring

Platinum Zambian Emerald & Diamond Ring 4.56ct Emerald Cut Ring

Located in Great Neck, NY

Exceptional Zambian emerald and diamond ring crafted in luxurious PT900 platinum, featuring a

Category

21st Century and Contemporary American Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Emerald, Ruby, Sapphire, Gold, 18k Gold, White G...

Platinum Diamond Engagement Ring
Platinum Diamond Engagement Ring

Platinum Diamond Engagement Ring

Located in New York, NY

inside of the shank along with Pt 900 for platinum. Ring size is 5 and can be sized.

Category

2010s Engagement Rings

Materials

Diamond, Platinum

Vintage Platinum Diamond and Emerald Cluster Ring Engagement Ring.
Vintage Platinum Diamond and Emerald Cluster Ring Engagement Ring.

Vintage Platinum Diamond and Emerald Cluster Ring Engagement Ring.

Located in San Francisco, CA

Details: The ring is a Size 6.5. The ring is stamped "PT900", and has been tested to be Platinum. The

Category

Vintage 1960s American Retro Cluster Rings

Materials

Diamond, Emerald, Platinum

Platinum Diamond Cocktail Ring 1.29ct
Platinum Diamond Cocktail Ring 1.29ct

Platinum Diamond Cocktail Ring 1.29ct

Located in Laguna Beach, CA

Ladies' platinum and diamond cocktail ring. Stamped Pt900, 1.29 and weighs 5 grams. The ring tests

Category

Late 20th Century Cocktail Rings

Materials

Diamond, Platinum

Vintage Platinum Old-European Cut Diamond Ring
Vintage Platinum Old-European Cut Diamond Ring

Vintage Platinum Old-European Cut Diamond Ring

Located in Laguna Beach, CA

Vintage platinum and diamond ring. Stamped Pt 900 and weighs 6.8 grams. The center diamond is an

Category

Mid-20th Century Cluster Rings

Materials

Diamond, Platinum

1.36ct Sapphire 1.30ct Diamond Ring
1.36ct Sapphire 1.30ct Diamond Ring

1.36ct Sapphire 1.30ct Diamond Ring

Located in New York, NY

13mm. The ring is stamped PT900 1.356 1.30 and weighs 5.4 grams. The ring is size 6 1/4 but it can be

Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, Platinum

4.75ct Sapphire Diamond Ring
4.75ct Sapphire Diamond Ring

4.75ct Sapphire Diamond Ring

Located in New York, NY

top of the ring measures 16.5mm by 15mm. The ring is stamped Pt900 S4.75 0.63 and weighs 8.6 grams

Category

20th Century Cocktail Rings

Materials

Sapphire, Platinum

2.11ct Sapphire 1.80ct Diamond Ring
2.11ct Sapphire 1.80ct Diamond Ring

2.11ct Sapphire 1.80ct Diamond Ring

Located in New York, NY

ring is stamped Pt900 S2.11 D1.80 and weighs 8.1 grams. The ring is size 6 3/4 but it can be resized.

Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, Platinum

3.45ct Sapphire 0.57ct Diamond Engagement Ring
3.45ct Sapphire 0.57ct Diamond Engagement Ring

3.45ct Sapphire 0.57ct Diamond Engagement Ring

Located in New York, NY

16mm by 13mm. The ring is stamped Pt900 3.456 0.57 and weighs 6.7 grams. The ring is size 6 1/4 but it

Category

20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

Estate Platinum Diamond Statement Ring
Estate Platinum Diamond Statement Ring

Estate Platinum Diamond Statement Ring

Located in Narberth, PA

marked with a "PT900" purity mark. The ring was appraised in March of 2025 by a GIA-certified appraiser

Category

21st Century and Contemporary Modern Fashion Rings

Materials

Diamond, Platinum

2.58ct Emerald 2.30ct Diamond Ring
2.58ct Emerald 2.30ct Diamond Ring

2.58ct Emerald 2.30ct Diamond Ring

Located in New York, NY

measures 20mm by 19mm. The ring is stamped Pt900 2.58 2.30 and weighs 11.1 grams. The ring is size 7 but it

Category

20th Century Cocktail Rings

Materials

Diamond, Emerald, Platinum

DCLA Platinum Diamond Engagement Ring 2.60ct 6.8g
DCLA Platinum Diamond Engagement Ring 2.60ct 6.8g

DCLA Platinum Diamond Engagement Ring 2.60ct 6.8g

Located in SYDNEY, NSW

A classic and elegant diamond engagement ring crafted in 900 platinum, featuring a striking round

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA Certified 1.91ct Diamond Platinum Engagement Ring
GIA Certified 1.91ct Diamond Platinum Engagement Ring

GIA Certified 1.91ct Diamond Platinum Engagement Ring

Located in New York, NY

. Crafted in luxurious platinum, the ring is stamped PT900, signifying high platinum purity. The top of the

Category

20th Century Engagement Rings

Materials

Diamond, Platinum

Estate Platinum GIA Ruby and Diamond Ring
Estate Platinum GIA Ruby and Diamond Ring

Estate Platinum GIA Ruby and Diamond Ring

Located in Narberth, PA

", "PT 900", and "C. 30". The ring is accompanied by a GIA (Gemological Institute of America) Report

Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Ruby, Platinum

Substantial Platinum 6.4ctw Oval Cabochon Opal & Diamond Cocktail Ring
Substantial Platinum 6.4ctw Oval Cabochon Opal & Diamond Cocktail Ring

Substantial Platinum 6.4ctw Oval Cabochon Opal & Diamond Cocktail Ring

Located in Montclair, NJ

shank) Ring Height: 9.9mm rise off the finger Stamp: PT.900 - 6.05- D0.35 Condition: Shows some light

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

2.23ct Burma Ruby 1.08ct Diamond Ring
2.23ct Burma Ruby 1.08ct Diamond Ring

2.23ct Burma Ruby 1.08ct Diamond Ring

Located in New York, NY

ring is stamped Pt900 2.229 D1.08 and weighs 7.7 grams. The ring is size 6 1/4 but it can be resized.

Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIA Certified 11.57ct Sapphire 1.90ct Diamond Ring
GIA Certified 11.57ct Sapphire 1.90ct Diamond Ring

GIA Certified 11.57ct Sapphire 1.90ct Diamond Ring

Located in New York, NY

22mm. The ring is stamped Pt900 11.57 D1.90 and weighs 15.7 grams. The ring is size 6 but it can be

Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Platinum Ladies Ring with Sapphire and Diamonds
Platinum Ladies Ring with Sapphire and Diamonds

Platinum Ladies Ring with Sapphire and Diamonds

Located in LA, CA

stone set in a white metal ring marked “Pt900 242 1.19” with numerous near-colorless round brilliants

Category

21st Century and Contemporary Modern Fashion Rings

Materials

Diamond, Sapphire, Platinum

GIA 1.29ct Burma Ruby 1.47ct Diamond Ring
GIA 1.29ct Burma Ruby 1.47ct Diamond Ring

GIA 1.29ct Burma Ruby 1.47ct Diamond Ring

Located in New York, NY

measures 23mm by 17mm. The ring is stamped PT900 D1.47 R1.29 and weighs 10.5 grams. The ring is size 6 1/2

Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

Cat's Eye Chrysoberyl and Diamond Ring
Cat's Eye Chrysoberyl and Diamond Ring

Cat's Eye Chrysoberyl and Diamond Ring

Located in London, GB

Here we have a wonderful chrysoberyl and diamond ring. This piece has been crafted from platinum

Category

Late 20th Century Engagement Rings

Materials

Chrysoberyl, Diamond, Platinum

15.05ct Ceylon Sapphire 2.43ct Diamond Engagement Ring
15.05ct Ceylon Sapphire 2.43ct Diamond Engagement Ring

15.05ct Ceylon Sapphire 2.43ct Diamond Engagement Ring

Located in New York, NY

ring measures 23.5mm by 19.5mm. The ring is stamped Pt900 and weighs 13.9 grams. The ring is size 7 but

Category

20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

Solid Platinum 2.8ctw Oval Cabochon Opal & Diamond Sides Classic Ring
Solid Platinum 2.8ctw Oval Cabochon Opal & Diamond Sides Classic Ring

Solid Platinum 2.8ctw Oval Cabochon Opal & Diamond Sides Classic Ring

Located in Montclair, NJ

) - Stamped PT900 Weight: 5.63 Grams Ring Size: 6.5 (Fitted on a finger. We can custom size this ring. Please

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

5.66ct Sapphire 0.89ct Diamond Engagement Ring
5.66ct Sapphire 0.89ct Diamond Engagement Ring

5.66ct Sapphire 0.89ct Diamond Engagement Ring

Located in New York, NY

measures 16mm by 15mm. The ring is stamped Pt900 S5.66 D0.89 and weighs 8.7 grams. The ring is size 6 1/2

Category

20th Century Engagement Rings

Materials

Sapphire, Platinum

Solid Platinum High Quality 4.82ctw Opal & Diamond Ballerina Cocktail Ring
Solid Platinum High Quality 4.82ctw Opal & Diamond Ballerina Cocktail Ring

Solid Platinum High Quality 4.82ctw Opal & Diamond Ballerina Cocktail Ring

Located in Montclair, NJ

shank) Ring Height: 11.6mm rise off the finger Stamp: PT.900 - 4.21 - D0.61 Condition: Shows some light

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

GIA Certified 5.66ct Sapphire 1.01ct Diamond Platinum Engagement Ring
GIA Certified 5.66ct Sapphire 1.01ct Diamond Platinum Engagement Ring

GIA Certified 5.66ct Sapphire 1.01ct Diamond Platinum Engagement Ring

Located in New York, NY

softness with geometric precision. Expertly crafted in platinum, the ring is stamped Pt900 5.66 D1.01 and

Category

20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

Classic Style Platinum 3.19ctw Oval Cabochon Opal w/ Diamond Halo Ring
Classic Style Platinum 3.19ctw Oval Cabochon Opal w/ Diamond Halo Ring

Classic Style Platinum 3.19ctw Oval Cabochon Opal w/ Diamond Halo Ring

Located in Montclair, NJ

Weight: 3.19 (exact) Material: Solid .900 Platinum (tested) - Stamped PT900 Weight: 7.08 Grams Ring Size

Category

21st Century and Contemporary Neoclassical Solitaire Rings

Materials

Diamond, Opal, Platinum

Platinum High Quality 3.13ctw Opal Diamond Floral Ballerina Design Cocktail Ring
Platinum High Quality 3.13ctw Opal Diamond Floral Ballerina Design Cocktail Ring

Platinum High Quality 3.13ctw Opal Diamond Floral Ballerina Design Cocktail Ring

Located in Montclair, NJ

Weight: 3.13 (exact) Material: Solid .900 Platinum (tested) - Stamped PT900 Weight: 9.64 Grams Ring Size

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Fire Opal, Platinum

Platinum 11.05ctw Large Orange Fiery Jelly Opal w/ Diamond Halo Ring
Platinum 11.05ctw Large Orange Fiery Jelly Opal w/ Diamond Halo Ring

Platinum 11.05ctw Large Orange Fiery Jelly Opal w/ Diamond Halo Ring

Located in Montclair, NJ

), 2.9mm (bottom of the shank) Ring Height: 12.3mm rise off the finger Stamp: PT.900 - 9.81- D1.24

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

Large 10.48 Carat Diamond Platinum Ring
Large 10.48 Carat Diamond Platinum Ring

Large 10.48 Carat Diamond Platinum Ring

Located in New York, NY

10.48ct. graded F-G color with VS clarity. The ring is stamped 'Pt900' and the diamond weight '10.48' and

Category

20th Century Cluster Rings

Materials

Diamond, Platinum

3 Carat Sapphire Diamond Platinum Ring
3 Carat Sapphire Diamond Platinum Ring

3 Carat Sapphire Diamond Platinum Ring

Located in New York, NY

H color with VS clarity. The ring is stamped Pt900 D2.56 S3.00 and weighs 15.5 grams. It is

Category

20th Century Cluster Rings

Materials

Diamond, Sapphire, Platinum

1.04 Carat Emerald Diamond Ballerina Ring
1.04 Carat Emerald Diamond Ballerina Ring

1.04 Carat Emerald Diamond Ballerina Ring

Located in New York, NY

with VS clarity. The ring is stamped Pt900 E 1.04 1.25. It is currently size 5 3/4, and can easily be

Category

20th Century Engagement Rings

Materials

Diamond, Emerald, Platinum

GIA Certified 4.11ct Sapphire 1.23ct Diamond Ring
GIA Certified 4.11ct Sapphire 1.23ct Diamond Ring

GIA Certified 4.11ct Sapphire 1.23ct Diamond Ring

Located in New York, NY

the ring measures 20mm by 18.5mm. The ring is stamped Pt900 4.11 1.13 and weighs 15 grams. The ring is

Category

20th Century Cocktail Rings

Materials

Sapphire, Platinum

GIA 1.32ct Burma Ruby 0.38ct Diamond Engagement Ring
GIA 1.32ct Burma Ruby 0.38ct Diamond Engagement Ring

GIA 1.32ct Burma Ruby 0.38ct Diamond Engagement Ring

Located in New York, NY

measures 8mm by 12mm. The ring is stamped Pt900 R1.32 D0.38 and weighs 5.2 grams. The ring is size 5 1/4

Category

20th Century Engagement Rings

Materials

Diamond, Ruby, Platinum

Platinum 2.48ctw Oval Orange Jelly Opal Bageutte & Round Diamond Modern Ring
Platinum 2.48ctw Oval Orange Jelly Opal Bageutte & Round Diamond Modern Ring

Platinum 2.48ctw Oval Orange Jelly Opal Bageutte & Round Diamond Modern Ring

Located in Montclair, NJ

: 2.48 (exact) Material: Solid .850+ Platinum (tested) - Stamped PT900 Weight: 8.20 Grams Ring Size: 6.5

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

Platinum 4.07ctw Trillion Tourmaline & Diamond Abstract Geometric Ring
Platinum 4.07ctw Trillion Tourmaline & Diamond Abstract Geometric Ring

Platinum 4.07ctw Trillion Tourmaline & Diamond Abstract Geometric Ring

Located in Montclair, NJ

(tested)- Stamped PT900 Weight: 9.8 Grams Ring Size: 6.0 (Fitted on a finger. We can custom size this ring

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Tourmaline, Platinum

Platinum Large 6.98ctw Oval Cabochon Opal & Diamond Open Work Gallery Ring
Platinum Large 6.98ctw Oval Cabochon Opal & Diamond Open Work Gallery Ring

Platinum Large 6.98ctw Oval Cabochon Opal & Diamond Open Work Gallery Ring

Located in Montclair, NJ

shank) Ring Height: 11.9mm rise off the finger Stamp: PT.900 - 6.78- D0.20 Condition: Shows some light

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

Solid Platinum 7.23ctw Large Opal w/ Diamond Halo Substantial Cocktail Ring
Solid Platinum 7.23ctw Large Opal w/ Diamond Halo Substantial Cocktail Ring

Solid Platinum 7.23ctw Large Opal w/ Diamond Halo Substantial Cocktail Ring

Located in Montclair, NJ

), 2.8mm (bottom of the shank) Ring Height: 13.3mm rise off the finger Stamp: PT.900 - 5.95 - 1.28

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

GIA Certified 1.81 Carat Diamond Platinum Engagement Ring
GIA Certified 1.81 Carat Diamond Platinum Engagement Ring

GIA Certified 1.81 Carat Diamond Platinum Engagement Ring

Located in Beverly Hills, CA

900" and "C&P," this ring weighs 5.5 grams and is a size 6. Accompanied by its original box, this ring

Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Platinum

Vintage Platinum 2.51ctw Oval Opal & Diamond Accents Classic Ring
Vintage Platinum 2.51ctw Oval Opal & Diamond Accents Classic Ring

Vintage Platinum 2.51ctw Oval Opal & Diamond Accents Classic Ring

Located in Montclair, NJ

: 9.4mm rise off the finger Stamp: PT.900 - 2.36 - 0.15 Condition: Vintage. Ring shows some light surface

Category

20th Century Cocktail Rings

Materials

Diamond, Opal, Platinum

Cat's Eye Chrysoberyl and Diamond Ring in Platinum 900
Cat's Eye Chrysoberyl and Diamond Ring in Platinum 900

Cat's Eye Chrysoberyl and Diamond Ring in Platinum 900

Located in Melbourne, AU

Cocktail Ring in Pt 900 Platinum It consists of a 4.2 ct Brownish Yellow Oval Shape Cabochon Cat's Eye

Category

Late 20th Century Australian Art Deco Cocktail Rings

Materials

Chrysoberyl, Diamond, Platinum

GRS Certified 3.85ct Royal Blue Ceylon Sapphire Diamond Ring
GRS Certified 3.85ct Royal Blue Ceylon Sapphire Diamond Ring

GRS Certified 3.85ct Royal Blue Ceylon Sapphire Diamond Ring

Located in New York, NY

top of the ring measures 17.5mm by 17mm. The ring is stamped Pt900 3.85 D0.85 and weighs 10.4 grams

Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Sophia D. GIA Certified 3.08ct Engagement Ring
Sophia D. GIA Certified 3.08ct Engagement Ring

Sophia D. GIA Certified 3.08ct Engagement Ring

Located in New York, NY

of these diamonds is G-H with VS clarity. The ring is stamped Pt900 Sophia D. and weighs 4.8 grams

Category

20th Century Engagement Rings

Materials

Diamond, Platinum

Vintage Platinum 4.88ctw Oval Opal & Diamond Halo Large Cocktail Ring
Vintage Platinum 4.88ctw Oval Opal & Diamond Halo Large Cocktail Ring

Vintage Platinum 4.88ctw Oval Opal & Diamond Halo Large Cocktail Ring

Located in Montclair, NJ

: PT.900 - 4.41 - 0.47 Condition: Vintage. Ring shows some light surface wear. Opal has few light

Category

20th Century Cocktail Rings

Materials

Diamond, Opal, Platinum

1.88CTW Pear Shaped Diamond Engagement Ring in Platinum
1.88CTW Pear Shaped Diamond Engagement Ring in Platinum

1.88CTW Pear Shaped Diamond Engagement Ring in Platinum

Located in Webster, NY

: 1.88CTW Metal: Platinum Stamped: "PT900" Weight: 5.2 grams Ring Size: 9 - can be re-sized

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Emerald and Diamond Platinum and Gold Ring
Emerald and Diamond Platinum and Gold Ring

Emerald and Diamond Platinum and Gold Ring

Located in Beverly Hills, CA

, D5.57, PT900, K18,” this ring is perfect for those who appreciate exceptional gemstones and timeless

Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Emerald, Gold, 18k Gold, Platinum

Classic Solid Platinum 3.31ctw Oval Cabochon Opal Diamond Halo Right Hand Ring
Classic Solid Platinum 3.31ctw Oval Cabochon Opal Diamond Halo Right Hand Ring

Classic Solid Platinum 3.31ctw Oval Cabochon Opal Diamond Halo Right Hand Ring

Located in Montclair, NJ

shank) Ring Height: 9.2mm rise off the finger Stamp: PT.900 - 2.96- D0.35 Condition: Excellent condition

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

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Pt900 Ring For Sale on 1stDibs

You are likely to find exactly the pt900 ring you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of Platinum, Gold and 18k Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a pt900 ring from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. A pt900 ring from Malpani Jewels, Noriko Matsuzaki and Tsutomu Matsuzaki — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes round cut and cabochon alternatives. When shopping for a pt900 ring, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Pt900 Ring?

The price for a pt900 ring starts at $700 and tops out at $225,000 with these rings, on average, selling for $3,450.

The Legacy of Diamond in Jewelry Design

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 ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Rings for You

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 ringsvintage 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.