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14kt Yellow Gold Mini Script Personalized Name Necklace with Two Names
By Christina Addison
Located in New York, NY
necklace from Christina Addison Fine Jewelry NYC is available with as many names as you like in Silver
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

18k Gold, Yellow Gold, 14k Gold, Rose Gold, Silver

Christina Addison Large Gum Drop Earrings with Cabochon Turquoise and Diamonds
By Christina Addison
Located in New York, NY
any questions you may have. Christina Addison Fine Jewelry NYC Christina Christina Addison Fine
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Amethyst, Diamond, White Diamond, Jade, Turquoise, Blue Topaz, 18k Gold,...

Christina Addison Large Gum Drop Earrings with Cabochon Turquoise and Diamonds
By Christina Addison
Located in New York, NY
may have. Christina Addison Fine Jewelry NYC Please contact me with any questions you may have at
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Amethyst, Diamond, White Diamond, Jade, Turquoise, Blue Topaz, 18k Gold,...

Yellow Gold Personalized Mini Script Name Bracelet with Two Names
By Christina Addison
Located in New York, NY
Script Personalized name necklace from Christina Addison Fine Jewelry NYC is available with as many names
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Yellow Gold, 14k Gold, Gold Plate, Rose Gold, Silver

Christina Addison Double Cushion Earrings with Pink Topaz and Orange Citrine
By Christina Addison
Located in New York, NY
contact us with any questions you may have. Christina Addison Fine Jewelry NYC The Double Cushion
Category

21st Century and Contemporary American Modern Used Jewelry Nyc

Materials

Citrine, Topaz, 18k Gold, White Gold, Yellow Gold

Signature Collection Personalized Mini Script Name Necklace with Three Names
By Christina Addison
Located in New York, NY
necklace from Christina Addison Fine Jewelry NYC is available with as many names as you like in Silver
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

10k Gold, 14k Gold, Rose Gold, Silver, Silver Plate

Jumbo Rock Crystal Cushion Stud Earring with Yellow Gold Wire Wrap
By Christina Addison
Located in New York, NY
stone, Please contact me with any questions you may have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary Used Jewelry Nyc

Materials

Rock Crystal, 18k Gold

A. Clunn Platinum Baguette Diamond and South Sea Pearl Ring
By Andrew Clunn
Located in New York, NY
can be sized. Please contact us with any questions you may have. Christina Addison Fine Jewelry NYC
Category

1980s American Art Deco Used Jewelry Nyc

Materials

Agate, Diamond, South Sea Pearl, White Diamond, Platinum

Cushion Citrine Diamond Gold Ring
By Christina Addison
Located in New York, NY
that you like. Please contact us with any questions you may have. Best, Christina Addison Jewelry
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Citrine, Diamond, 18k Gold

Yellow Gold Emerald Cut Ring with Pink Topaz and Iolite
By Christina Addison
Located in New York, NY
be made with any stone combinations that you like! Can be sized. Best, Christina Addison Jewelry
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Iolite, Topaz, 18k Gold, Yellow Gold

Citrine Pink Topaz Gold Three Stone Emerald Cut Ring
By Christina Addison
Located in New York, NY
Please contact us with any inquiries you may have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Used Jewelry Nyc

Materials

Citrine, Topaz, Yellow Gold

Yellow Gold Emerald Cut Ring with Peridot and Citrine
By Christina Addison
Located in New York, NY
Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Citrine, Peridot, 18k Gold, Yellow Gold

18kt Yellow Gold Emerald Cut Ring with Citrine and Peridot
By Christina Addison
Located in New York, NY
Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Citrine, Topaz, 18k Gold, White Gold, Yellow Gold

2-Strand Briolette Necklace with Blue Topaz, Peridot and Amethyst
By Christina Addison
Located in New York, NY
inquiries you may have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Amethyst, Peridot, Topaz, 18k Gold, White Gold

Large 18kt Yellow gold Faceted Cushion Cut dome ring with diamonds
By Christina Addison
Located in New York, NY
have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Topaz, 18k Gold, White Gold, Yellow Gold

18kt Yellow Gold Emerald Cut Ring with Blue Topaz and Iolite
By Christina Addison
Located in New York, NY
Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Iolite, Topaz

18kt Yellow Gold Emerald Cut Ring with Pink Topaz and Blue Topaz
By Christina Addison
Located in New York, NY
Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Used Jewelry Nyc

Materials

Amethyst, Aquamarine, Citrine, Topaz, Blue Topaz, 18k Gold, Yellow Gold

Mother of Pearl Abalone Drop Twisted Gold Border Earrings
By Christina Addison
Located in New York, NY
Addison Jewelry Nyc
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Pearl, 18k Gold, Yellow Gold

Initial plate bracelet with diamond accent
By Christina Addison
Located in New York, NY
inquiries you may have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, White Diamond, 14k Gold, Gold Plate, Sterling Silver

Gold Emerald and Diamond Ear Clips by David Webb
By David Webb
Located in New York, NY
offered by Christina Addison Fine Jewlery NYC. The signature ribbed design and shape are elegant and
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Emerald, Gold, 18k Gold, Yellow Gold

Gold Woven Textured Creole Ear Clips by David Webb
By David Webb
Located in New York, NY
offered by Christina Addison Fine Jewlery NYC. The signature textured detail is elegant and flattering in
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Gold, 18k Gold, Yellow Gold

18 Karat Yellow Gold Emerald Cut Ring with Citrine and Peridot
By Christina Addison
Located in New York, NY
made to order. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Used Jewelry Nyc

Materials

Citrine, Peridot, 18k Gold

Christina Addison 18kt Gold Edged Heart Charm Pendant with Diamond
By Christina Addison
Located in New York, NY
! Please contact us with any questions you may have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, 18k Gold, Yellow Gold

Sapphire Diamond and Pearl Drop Earring A. Clunn
By Andrew Clunn
Located in New York, NY
long. Please contact us with any inquiries you may have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Pearl, Sapphire, 18k Gold, Platinum

Alternating Yellow Gold Twist and Black Jade Link Bracelet
By Christina Addison
Located in New York, NY
you may have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Modern Used Jewelry Nyc

Materials

Onyx, Jade, 18k Gold, Yellow Gold

Diamond Gold Woven Bracelet
By Christina Addison
Located in New York, NY
contact us with any inquiries you may have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Used Jewelry Nyc

Materials

Diamond, 18k Gold, Platinum, Yellow Gold

Custom Platinum Gum Drop Ring with Morganite and Rock Crystal and Diamonds
By Christina Addison
Located in New York, NY
Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Amethyst, Diamond, Kunzite, Morganite, Rock Crystal, 18k Gold, White Gol...

Carved Jade and Diamond Pendant Earrings
By Christina Addison
Located in New York, NY
diamond motif. Please contact me with any inquiries you may have. Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, White Diamond, Jade, 18k Gold, White Gold

1Christina Addison Fine Jewelry 18kt Gold Round and Oval Link Necklace
By Christina Addison
Located in New York, NY
may have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

18k Gold, Yellow Gold

Aquamarine and Pink Topaz Three-Stone Ring
By Christina Addison
Located in New York, NY
. Please contact me with any inquiries you may have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Aquamarine, 18k Gold, White Gold

Yellow Gold Pearl and Gold Drop Earrings A. Clunn
By Andrew Clunn
Located in New York, NY
have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Pearl, Sapphire, 18k Gold, Platinum

Large Diamond Drop Earrings with Diamond Ball
By Christina Addison
Located in New York, NY
Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Large Onyx Drop Earrings with Twisted Gold Detail
By Christina Addison
Located in New York, NY
Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

18k Gold, Yellow Gold

Bonheur Ring, Blue Topaz and Pink Topaz and Diamond Yellow Gold Domed Ring
By Christina Addison
Located in New York, NY
Fine Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Topaz, Blue Topaz, 18k Gold, Yellow Gold

Baroque Pearl, Blue Topaz and Lemon Citrine Necklace
By The Mazza Company
Located in New York, NY
inquiries you may have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Amethyst, Peridot, Topaz, Citrine, 18k Gold, Yellow Gold

White Gold Mini Sand Dollar Earrings with Iolite and Diamonds
By Christina Addison
Located in New York, NY
have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Iolite, 18k Gold, White Gold

Gold Woven Cuff with Diamonds
By Christina Addison
Located in New York, NY
Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, White Diamond, 18k Gold, White Gold, Yellow Gold

Gold Woven Twist Ear Clips by David Webb
By David Webb
Located in New York, NY
Jewlery NYC. The signature twisted fan shaped earrings with twisted rope and large and small bead detail
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Gold, 18k Gold, Yellow Gold

Medium GUM DROP Ring with Pink Topaz and Peridot and Diamonds
By Christina Addison
Located in New York, NY
(approx ~7 cts) and Diamonds approx 0.40cts The Christina Addison Fine Jewelry Bespoke Collection is made
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Peridot, Topaz, Amethyst, Citrine, 18k Gold, Rose Gold, White G...

Peridot Diamond Yellow Gold Sand Dollar Earrings
By Christina Addison
Located in New York, NY
Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Peridot, Yellow Gold

Large Abalone Drop Earrings with Twisted Gold Detail
By Christina Addison
Located in New York, NY
stone combination. Please contact us with any inquiries you may have. Best, Christina Addison Jewelry
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

18k Gold, Yellow Gold

18 Karat Gold and Malachite Link Bracelet
By Christina Addison
Located in New York, NY
have. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Malachite, 18k Gold, Yellow Gold

Yellow Gold Bezel Set Ring with Iolite and Surrounding Green Garnet
By Christina Addison
Located in New York, NY
Jewelry NYC
Category

21st Century and Contemporary American Modern Used Jewelry Nyc

Materials

Tsavorite, Garnet, Iolite, 18k Gold, Yellow Gold

Amethyst Diamond White Gold Sand Dollar Earrings
By Christina Addison
Located in New York, NY
may have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Used Jewelry Nyc

Materials

Amethyst, Diamond, White Gold

Multi-Shaped Blue Topaz and Peridot Long Earring
By Christina Addison
Located in New York, NY
. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Peridot, Topaz, 18k Gold, Yellow Gold

Large 18kt Yellow Gold Gum Drop Ring with Blue Topaz and Peridot
By Christina Addison
Located in New York, NY
! Please contact us with any questions you may have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Peridot, Topaz, Blue Topaz, 18k Gold, Yellow Gold

London Blue Topaz Large Cushion Ring with Diamond Sides
By Christina Addison
Located in New York, NY
. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Used Jewelry Nyc

Materials

Diamond, Topaz, 18k Gold, Rose Gold

Bright Blue and Bright Pink Topaz Emerald cut three stone ring
By Christina Addison
Located in New York, NY
, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Topaz, Amethyst, Citrine, Iolite, Peridot, Blue Topaz, 18k Gold, White G...

Christina Addison Turquoise Flower Stud Earrings with Diamond Center
By Christina Addison
Located in New York, NY
questions you may have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Used Jewelry Nyc

Materials

Diamond, Turquoise, 18k Gold, Yellow Gold

Christina Addison Medium GUM DROP Ring with Amethyst and Iolite and Diamonds
By Christina Addison
Located in New York, NY
questions you may have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Amethyst, Diamond, Iolite, White Diamond, 18k Gold, Yellow Gold

18 Karat Yellow Gold Emerald Cut Ring with Pink Topaz and Peridot
By Christina Addison
Located in New York, NY
any questions. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Used Jewelry Nyc

Materials

Peridot, Topaz, 18k Gold

Medium GUM DROP Ring with Morganite and Rock Crystal and Diamonds
By Christina Addison
Located in New York, NY
! Please contact us with any questions you may have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Topaz, Kunzite, Morganite, Rock Crystal, Crystal, 18k Gold, Whi...

Medium GUM DROP Ring with Pink Topaz and Peridot and Diamonds
By Christina Addison
Located in New York, NY
questions you may have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Peridot, Topaz, 18k Gold, White Gold, Yellow Gold

Large GUM DROP Ring with Blue Topaz and Iolite and Diamonds
By Christina Addison
Located in New York, NY
questions you may have. Christina Addison Fine Jewelry NYC Christina
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Iolite, Topaz, Blue Topaz, 18k Gold, White Gold, Yellow Gold

Christina Addison Yellow Gold Mini Emerald Cut Ring with Blue Topaz and Peridot
By Christina Addison
Located in New York, NY
have any questions. Best, Christina Addison Jewelry NYC
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Amethyst, Aquamarine, Emerald, Peridot, Topaz, Blue Topaz, 18k Gold, Yel...

Bonheur Ring, Pink Topaz and Peridot and Diamond Yellow Gold Domed Ring
By Christina Addison
Located in New York, NY
Jewelry NYC Please contact me with any questions you may have. Best, Christina Addison Fine Jewlery
Category

21st Century and Contemporary American Contemporary Used Jewelry Nyc

Materials

Diamond, Peridot, Topaz, 18k Gold, Yellow Gold

Yellow Gold Pear Drop Earring with White Jade
By Christina Addison
Located in New York, NY
with any questions you may have. Christina Addison Fine Jewelry NYC
Category

21st Century and Contemporary American Art Deco Used Jewelry Nyc

Materials

Jade, 18k Gold, Yellow Gold

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Used Jewelry Nyc For Sale on 1stDibs

Find the exact used jewelry nyc you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and Yellow Gold — can elevate any look. Find an antique version now, or shop for 68 vintage or 437 modern creation for a more contemporary example of these cherished accessories. Finding the perfect used jewelry nyc may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. Creating a used jewelry nyc has been a part of the legacy of many jewelers, but those produced by Artisan NYC, AB Jewelry NYC and Alex Soldier are consistently popular. A used jewelry nyc can be a stylish choice for most occasions, but Diamond rings, from our inventory of 343, can add a particularly distinctive touch to your look, day or night. A round cut version of this piece has appeal, but there are also mixed cut and rose cut versions for sale. Most of our used jewelry nyc for sale are for women, but there are 142 pieces available to browse for men.

How Much is a Used Jewelry Nyc?

Prices for a used jewelry nyc can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $60 and can go as high as $134,400, while this accessory, on average, fetches $3,267.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in

Since Van Cleef Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

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.