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Black Onyx Diamond White Gold Drop Earrings
By Helen Ringus
Located in TRYON, NC
diamonds with 2 mm. black onyx beads with a diamond and gold rondelle in between.
Category

2010s American Art Deco Dangle Earrings

Materials

Diamond, 14k Gold, White Gold

Naomi Sarna Turquoise Diamond Paraiba Tassel Earrings
By Naomi Sarna
Located in New York, NY
American turquoise, strung with sparkling white diamond beads and custom made white diamond and 18K white
Category

2010s More Earrings

Materials

White Diamond, Turquoise, 18k Gold, White Gold

Gray Tahitian Pearls, Diamonds, and White Gold Necklace
By White Orchid Studio
Located in Athens, GA
vanilla bean rondelles with diamonds. PRODUCT DETAILS 14kt white gold. White Orchid Studio’s vanilla
Category

21st Century and Contemporary American Contemporary Beaded Necklaces

Materials

Diamond, Pearl, 14k Gold, White Gold

Fred Leighton Amethyst, Chalcedony, Sapphire, Diamond Necklace
By Fred Leighton
Located in Southampton, NY
chalcedony. Petite sapphire beads in sets of three complete the look, with sections divided by diamond-set
Category

1990s American Beaded Necklaces

Materials

Chalcedony, Amethyst, Diamond, Sapphire, 18k Gold

Deux Filles South Sea Pearl and Diamond Sterling Silver Multi-Layer Necklace
Located in Mount Kisco, NY
From designer Deux Filles, this multi-layer necklace showcases South Sea Pearls as well as diamonds
Category

21st Century and Contemporary American Contemporary Multi-Strand Necklaces

Materials

Diamond, White Diamond, South Sea Pearl, Sterling Silver

Baroque Gray Fresh Water Pearls Blackened Sterling Silver and Diamond Findings
Located in New York, NY
enhanced with a blackened sterling silver clasp and blackened sterling silver rondelles with diamonds. It
Category

21st Century and Contemporary American Contemporary Beaded Necklaces

Materials

Diamond, Freshwater Pearl, Sterling Silver

Baroque Pearl and Diamond Paved Baroque Nugget Necklace
Located in New York City, NY
Chik white baroque pearl and paved diamond baroque rondelle necklace on 18KT white gold chain
Category

American Chain Necklaces

South Sea Pearl Diamond Rondelle Necklace
By Campanelli Pear
Located in Troy, MI
gold. Weighs 74 grams. Diamond Rondelles are 0.7 cttw each. Diamonds 1.54 cttw
Category

21st Century and Contemporary Australian More Necklaces

Materials

Diamond, South Sea Pearl, 14k Gold, 18k Gold

Three Strand Diamond Rondelle White Gold Necklace Chain
Located in Stamford, CT
Beautiful 3 strand 16 inch diamond Rondelle necklace from the designer DD. 68 full cut diamonds
Category

21st Century and Contemporary Modern Multi-Strand Necklaces

Materials

Diamond, 14k Gold, White Gold

Jade Bead Diamond Rondelle Necklace with Oval Diamond Clasp
Located in Beverly Hills, CA
Delicate and elegant green jade necklace accentuated with diamond rondelles and diamond clasp
Category

European Beaded Necklaces

Mikimoto 10 Diamond Rondelles Tahitian Black South Sea Pearl White Gold Necklace
By Mikimoto
Located in Southampton, PA
18k White Gold 10 Diamond Rondelles Tahitian Black South Sea Pearl Necklace by Mikimoto. With 10
Category

21st Century and Contemporary Japanese Beaded Necklaces

Materials

Diamond, Black Pearl, 18k Gold

Diamond Rondelle Black Onyx Pearl White Gold Bead Necklace
Located in Los Angeles, CA
Vintage diamond rondelle cultured pearl black onyx and white gold bead necklace circa 1950. Love
Category

Vintage 1950s Modern Beaded Necklaces

Materials

Diamond, Onyx, Pearl, 14k Gold, White Gold

774 Carat Tanzanite Beads with Diamond Rondelles Necklace 18 Karat White Gold
By Sarosi By Timeless Gems
Located in Los Angeles, CA
rondelles, a heavy, Italian clasp set with diamonds and 6 white gold spacers. It is very rare to see this
Category

21st Century and Contemporary American Artisan Beaded Necklaces

Materials

Tanzanite, 14k Gold, 18k Gold, White Gold

1960s Coral, Diamond Rondelle, and Gold Bracelet
Located in New York, NY
A gold, coral, and diamond bracelet comprised of three oblong sections of coral beads with diamond
Category

Vintage 1960s Link Bracelets

Materials

Coral, Diamond, 18k Gold

South Sea Pearl Strand with Diamond Rondelles
Located in Carmel-by-the-Sea, CA
intersected with diamond set rondelles and finished with a diamond filigree clasp. The pearls measure 13.0 to
Category

21st Century and Contemporary Beaded Necklaces

Materials

South Sea Pearl, 18k Gold, White Gold

Sterling Silver / Steel Gabriel Co. Cable Bracelet with 5 Diamond Rondelles
By Gabriel Co.
Located in Towson, MD
Rondelles measure 3/16 inch each. 5 Rondelles measure approx. 2 inches across wrist. Rondelles sit
Category

21st Century and Contemporary Modern Bracelets

Materials

Diamond, Sterling Silver, Steel

18 Karat White Gold Tahitian Pearl Bangle, 2 Carat Diamond Rondelles
By Cellini
Located in New York, NY
Flexible Tahitian black pearl bangle accented with white diamonds and set in 18-karat white gold
Category

Early 2000s Italian Contemporary Cuff Bracelets

Materials

Diamond, Pearl, 18k Gold, White Gold

14mm Kyanite Bead and 18k Gold Necklace with Diamond Rondelles, 18 Inches
By Sarosi By Timeless Gems
Located in Los Angeles, CA
, medium blue and have been hand-strung and knotted with royal blue silk thread. The 18k white gold diamond
Category

21st Century and Contemporary North American Artisan Beaded Necklaces

Materials

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

Tourmaline Emerald Diamond Ear Pendants
Located in New York, NY
diamonds, and diamond rondelles. Made in Italy, circa 1990.
Category

1990s Italian Drop Earrings

Materials

Diamond, Emerald, Tourmaline, 18k Gold

Diamond, 18 Karat White Gold and Iolite Tassel Earrings
By Deborah Lockhart Phillips
Located in Nantucket, MA
Faceted Iolite tassel earrings with 18K white gold and diamond rondelle. White gold and diamond
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Iolite, Pearl, 18k Gold

Fine Faceted Aquamarine Diamond Gold Tassel Earrings
Located in Nantucket, MA
diamond rondelles and diamonds on the 18K white gold posts. Exceptional color and clarity. 1990's.
Category

Late 20th Century Dangle Earrings

Materials

Aquamarine, Diamond, Pearl, 18k Gold

22 Karat Gold, Aquamarine and Diamond Drop Earrings by Deborah Lockhart Phillips
By Deborah Lockhart Phillips
Located in Nantucket, MA
Faceted, round aquamarines with excellent translucence and color with 22K gold and diamond
Category

21st Century and Contemporary Drop Earrings

Materials

Aquamarine, Diamond, 22k Gold

Diamond Beaded 22 Karat Gold Chain Link Necklace
By Vicki Orr
Located in Naples, FL
Handmade 22k yellow gold “paper clip” chain necklace featuring Diamond rondelle beads. Necklace is
Category

2010s American Contemporary Link Necklaces

Materials

Diamond, Gold, 22k Gold, Yellow Gold

650 Carat Emerald Bead and Diamond Necklace
Located in Carmel-by-the-Sea, CA
to form a graduated strand that measures 24 inches long. Diamond rondelles interject the largest
Category

Late 20th Century Beaded Necklaces

Materials

Diamond, Emerald, Gold

Black Pearl, Citrine and Labradorite Tassel Earrings
By Marina J.
Located in Los Angeles, CA
and labradorite beads drape from sterling silver and diamond rondelle. Ear wires are made of 14k white
Category

American Dangle Earrings

Materials

Labradorite, Citrine, Diamond, Cultured Pearl, Sterling Silver, White Gold

Elegant Emerald Diamond Gold Beaded Necklace
Located in New York City, NY
small 18K gold and diamond rondelles at various intervals. Beautifully made and highly wearable.
Category

Late 20th Century Beaded Necklaces

Materials

Diamond, Emerald, 18k Gold

Pearl, Gold and Turquoise Tassel Earrings
By Marina J.
Located in Los Angeles, CA
diamond rondelles and graduated Turquoise, pearl and faceted 14k yellow gold beads. Ear wire is 14k
Category

21st Century and Contemporary American Contemporary Dangle Earrings

Materials

Cultured Pearl, Turquoise, 14k Gold

Gold Necklace
Located in New York, NY
& emeralds set in gold bezels & caped by diamond rondelles. Estimated total diamond weight is 5.70 carats
Category

Vintage 1960s Unknown Link Necklaces

Materials

Diamond, Emerald, Sapphire, 18k Gold

Tsavorite, Peridot, and Ruby Tassel Earrings
By Marina J.
Located in Los Angeles, CA
beads and dangle gracefully under a large Ruby bead. A Silver and gold diamond rondelle encircles the
Category

American Dangle Earrings

Materials

Peridot, Ruby, Diamond, 14k Gold, Sterling Silver

Fancy Yellow Pear Shape Diamond Gold Dangle Earrings
By Roman Malakov
Located in New York, NY
. Round cut diamond rondelle with a diamond set french hooks. Style available in different price ranges
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, Yellow Diamond, 18k Gold

Pearl and Emerald Tassel Earrings
By Marina J.
Located in Los Angeles, CA
These timeless earrings feature a large pearl drop cup set on a sterling silver and diamond
Category

21st Century and Contemporary American Contemporary Dangle Earrings

Materials

Diamond, Emerald, Cultured Pearl, Sterling Silver, White Gold

La Nouvelle Bague 18 Karat Gold Necklace with Red Enamel Ball and Diamonds
By Nouvelle Bague
Located in New York, NY
with a white gold diamond rondelle and gold details hang from the chain. The necklace measures 17
Category

1990s Italian Contemporary Drop Necklaces

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

Pearl Lace Sautoir with Coral Accent
By Marina J.
Located in Los Angeles, CA
coral tassels. Tassel strands drape from large unique pearl and silver and diamond rondelle. Tassels
Category

American More Necklaces

Materials

Cultured Pearl, Diamond, Coral, Sterling Silver

Long or Short Aquamarine Necklace with Diamonds by Deborah Lockhart Phillips
By Deborah Lockhart Phillips
Located in Nantucket, MA
pendants and diamond rondelles and average 4 inches in length. The clasp is a pave` diamond encrusted
Category

21st Century and Contemporary Beaded Necklaces

Materials

Aquamarine, Diamond, Pearl, Sapphire, Sterling Silver

Coral Tassel Necklace
By Marina J.
Located in Los Angeles, CA
details with red coral insert and 14 and diamond rondelle.
Category

American Rope Necklaces

Materials

Coral, Cultured Pearl, Diamond, 14k Gold

Aquamarine and Blue Topaz Earrings
By Marina J.
Located in Los Angeles, CA
adds a floating dimension. The tassel drops from a silver & diamond rondelle. Each string ends with a
Category

21st Century and Contemporary American Contemporary More Earrings

Materials

Aquamarine, Diamond, Topaz, 14k Gold, Sterling Silver

Multi-Strand Pearl and Diamond Necklace from Saks Fifth Avenue
Located in Carmel-by-the-Sea, CA
of diamond links. Note the diamond rondelles between the pearls. In total, there are 7.25 carats of
Category

1990s Multi-Strand Necklaces

Materials

Diamond, Pearl

Pearl and Aquamarine Sautoir
By Marina J.
Located in Los Angeles, CA
diamond rondelle, pearl seed beads, faceted 14k white gold beads and graduated faceted aquamarine beads
Category

American Beaded Necklaces

Materials

Aquamarine, Cultured Pearl, 14k Gold

Andreoli Two-Strand Emerald Bead Necklace with Diamond-Set Floral Clasp
Located in Palm Beach, FL
carats, the design is punctuated by brilliant-cut diamond rondelle spacers, adding light and sparkle
Category

20th Century Drop Necklaces

Materials

Diamond, Emerald

Aaron Basha 18k 4 Diamond Station Chain Necklace 5.9g 16"
By Aaron Basha
Located in Northbrook, IL
gold, it features delicate white diamond accents. The diamonds are set in 4 small, diamond rondelles
Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, 18k Gold

Bakelite, Pearl and Faceted Onyx Sautoir Tassel
By Marina J.
Located in Los Angeles, CA
. Strands made of fine white cultured pearls and faceted onyx beads drape from the silver and diamond
Category

American More Necklaces

Materials

Onyx, Cultured Pearl, Diamond, White Gold, Sterling Silver

Black Spinel and Emerald Tassel Sautoir
By Marina J.
Located in Los Angeles, CA
bead, 14k yellow gold, sterling silver and diamond rondelle and dripping with a deco color blocked
Category

21st Century and Contemporary American Contemporary Beaded Necklaces

Materials

Emerald, Onyx, 14k Gold

Contemporary Art Nouveau Coral, Amethyst and Diamond Necklace
Located in Carmel-by-the-Sea, CA
party as it would be with a cocktail dress in the evening. The combination of diamond rondelles, faceted
Category

21st Century and Contemporary Beaded Necklaces

Materials

Amethyst, Coral, 18k Gold, Yellow Gold

La Nouvelle Bague 18KT Rose Gold Tubogas, Blue Enamel .91Ct. Diamond Bracelet
By Nouvelle Bague
Located in New York, NY
rondelle in the center along with other diamond and gold details. When closed the bracelet forms an oval
Category

1990s Italian Modern Bangles

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Enamel

Black Onyx Pearl Tassel Earrings with Diamond Encrusted Roundel by Marina J
By Marina J.
Located in Los Angeles, CA
already have a unique twist. Followed by a glistening Silver and Diamond rondelle, it is finished with
Category

2010s American Art Deco Dangle Earrings

Materials

Diamond, Onyx, Pearl, Spinel, 14k Gold, Gold, Silver, White Gold

Sophisticated Carved Coral and Crystal Necklace
Located in Carmel-by-the-Sea, CA
crystal and vibrant coral, separated by golden caps and diamond rondelles, then punctuated by a removable
Category

20th Century Beaded Necklaces

Materials

Coral, Rock Crystal, 18k Gold

125 Carat Opal Beads Diamond Necklace
Located in Santa Barbara, CA
and close-knit statement. Interspersed with white gold, pavé diamond rondelles, the opals display
Category

2010s Contemporary Beaded Necklaces

Materials

Diamond, Opal, Fire Opal, 14k Gold, 18k Gold, White Gold

Susan Hoge Beaded Spinel, diamond Gray Baroque Pearl Convertible Necklace
By Susan Hoge
Located in Troy, MI
. 0.67 cttw red spinel. 0.12 cttw GVS diamond rondelles. Round gray baroque pearl. 30 in. L (76.2 cm
Category

21st Century and Contemporary American Artist Pendant Necklaces

Materials

Diamond, Pearl, Spinel, 18k Gold

Multi-gemstone Long Lariat Necklace with Semi-precious Bead Tassel White Gold
By Marina J.
Located in Los Angeles, CA
citrine briolettes. It is topped by a large faceted amethyst bead with a silver and diamond rondelle
Category

2010s American Artist Beaded Necklaces

Materials

Amethyst, Black Pearl, Citrine, Diamond, Garnet, Multi-gemstone, Peridot...

Multi-Color Semi-Precious Bead Long Lariat Necklace with Pearl Tassel
By Marina J.
Located in Los Angeles, CA
, citrine and end with peridot beads. It is topped by a large citrine bead, with a silver and diamond
Category

2010s American Artist Beaded Necklaces

Materials

Amethyst, Citrine, Diamond, Pearl, Peridot, Quartz, Topaz, 14k Gold, Gol...

Goshwara Ruby Rondelle with Diamonds Chain Necklace
By Goshwara
Located in New York, NY
This Double Sided Ruby Rondelle with Diamonds Chain Necklace is a stunning piece of jewelry from
Category

21st Century and Contemporary Indian Contemporary Chain Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Fantastic Diamond 18 Karat Gold Rondelle Station Necklace
Located in Philadelphia, PA
links Accented by six rondelle stations bead set with round brilliant cut diamonds Weighing in total
Category

Late 20th Century Contemporary Link Necklaces

Materials

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

Multi-Gemstone Long Lariat Necklace
By Marina J.
Located in Los Angeles, CA
20 mm) that cradles a silver and diamond rondelle. The flowing tassel strands are composed of 1.5 mm
Category

2010s American Artist Beaded Necklaces

Materials

Amethyst, Aquamarine, Citrine, Diamond, Garnet, Pearl, Quartz, 14k Gold,...

Colossal Coral Bead Sapphire Rondelles and Diamond Necklace
Located in Carmel-by-the-Sea, CA
20 inch chain with five colossal coral beads, six sapphire rondelles for 112 carats and over 3
Materials

Coral, Sapphire, 18k Gold

14 Karat Yellow Gold, Carnelian, Diamond and Color Rondelle Necklace
Located in Scottsdale, AZ
carnelian is surrounded by a bezel of diamonds for a total weight of 0.40ct. The pendant is finished with 3
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Chic Diamond 18 Karat White Gold Rondelle Station Cable Chain Necklace
Located in Philadelphia, PA
Cable chain necklace is accented by six rondelle stations bead set with round brilliant cut
Category

Late 20th Century Contemporary Chain Necklaces

Materials

Diamond, White Diamond, 18k Gold, White Gold

Turquoise Bead Diamond 0.65 Carat Gold Hoop Earrings 2.25 Inch
By OGI Ltd
Located in New York, NY
Introducing our stunning Turquoise Bead 14 Karat White Gold Diamond Rondel, the perfect blend of
Category

2010s American Contemporary Hoop Earrings

Materials

Diamond, Turquoise, Gold, 14k Gold, White Gold

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Diamond Rondelles For Sale on 1stDibs

Find an expansive variety of diamond rondelles available on 1stDibs. These distinct designs — crafted with great care and often made from Gold, 18k Gold and White Gold — can elevate any look. Our collection of these items for sale includes 16 vintage editions and 32 modern creations to choose from as well. Our collection is diverse and broad-ranging, and pieces in stock date back to the 20th Century while others were produced as recently as the 21st Century. Contemporary and Modern are consistently popular styles when it comes to diamond rondelles. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Deborah Lockhart Phillips, Gemjunky/M D Designs and Goshwara are consistently popular. Browse our collection of 40 Diamond versions today to add the perfect touch to your look. Today, if you’re looking for round cut diamond rondelles and are unable to find the perfect match, our selection also includes bead and brilliant cut alternatives. Most of our diamond rondelles for sale are for women, but there are 19 pieces available to browse for men.

How Much are Diamond Rondelles?

On average, diamond rondelles at 1stDibs sell for $5,800, while they’re typically $498 on the low end and $165,000 for the highest priced versions of this item.

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.  

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