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H Stern Diamond Hammered Gold Band Ring
By H. Stern
Located in Lambertville, NJ
G/VS diamonds. Ring size 6.5, measures 13.6mm at widest point. Ring is marked S Hallmark, Stars, 750
Category

20th Century Brazilian Band Rings

Materials

Diamond, 18k Gold

H.Stern Stars Fancy Diamond Gold Ring
By H. Stern
Located in Lambertville, NJ
brown diamonds. Ring size 7 1/2, ring top is 21mm x 10mm . Marked; 750, S mark, signature Star . Weight
Category

20th Century Brazilian More Rings

Materials

Diamond, 18k Gold

H Stern Aquamarine Diamond Gold Ring
By H. Stern
Located in Lambertville, NJ
with 0.58ctw in diamonds. Ring size 7 , weighs 9.8 grams. Marked: S mark, 58, 750
Category

20th Century Brazilian More Rings

Materials

Aquamarine, Diamond, 18k Gold

H. Stern Fluid Gold Diamond Bracelet
By H. Stern
Located in Lambertville, NJ
18k white gold bracelet by H. Stern from Fluid Gold collection, with 1 diamond on the lizard charm
Category

21st Century and Contemporary Brazilian More Bracelets

Materials

Diamond, Gold

H Stern Citrine Diamond Gold Choker Necklace
By H. Stern
Located in New York, NY
H Stern 18k gold neck wire suspending a faceted citrine and diamond teardrop-shaped pendant. 15.5
Category

Vintage 1970s Brazilian Drop Necklaces

Materials

Citrine, White Diamond, 18k Gold

H Stern Oscar Niemeyer Gold Diamond Bracelet
By H. Stern
Located in Lambertville, NJ
H Stern 18k yellow gold bracelet from Oscar Niemeyer collection,currently retails for $5600. Will fit up to 7" wrist and is 76mm wide. Marked with S mark,750. weight 17.5g
Category

21st Century and Contemporary Brazilian More Bracelets

Materials

Diamond, 18k Gold

H. Stern Celtic Dunes Collection Diamond Gold Ring
By H. Stern
Located in Lambertville, NJ
Impressive 18k gold and fancy diamond ring, crafted by H Stern for Celtic Dunes collection
Category

21st Century and Contemporary Brazilian More Rings

Materials

Diamond, 18k Gold

H.Stern Diamond Gold Zephyr Ring
By H. Stern
Located in Vail, CO
"Zephyr" ring, designed as a 6-row diamond-set entwined band, with 119 multi-shaded brown diamonds
Category

2010s Brazilian Cocktail Rings

Materials

Brown Diamond, 18k Gold

H. Stern Diamond Gold Three Row Band Ring
By H. Stern
Located in Lambertville, NJ
H Stern 18k hammered yellow and white gold three row ring with one row of diamonds. approx. 0.50ctw
Category

20th Century Brazilian More Rings

Materials

Diamond, 18k Gold

H Stern Stars Collection Diamond Gold Stud Earrings
By H. Stern
Located in Lambertville, NJ
18k gold stud earrings, crafted by H Stern for Stars collection, decorated with 0.24ctw in diamonds
Category

21st Century and Contemporary Brazilian More Earrings

Materials

Diamond, 18k Gold

Large H Stern Gold Fancy Diamond Star Earrings
By H. Stern
Located in Lambertville, NJ
18k gold earrings with 1.89ctw fancy diamonds from signature Stars collection by H Stern ( large
Category

21st Century and Contemporary Brazilian More Earrings

Materials

Diamond, 18k Gold

H. Stern 18 Karat Gold Diamond Drop Earrings
By H. Stern
Located in Lambertville, NJ
/VS diamonds. Earrings measure 54mm X 18mm and weigh 13.4 grams. Marked 750, S mark, Star mark.
Category

21st Century and Contemporary Brazilian More Earrings

Materials

Diamond, 18k Gold

H. Stern Drops Gold Diamond Five-Strand Necklace
By H. Stern
Located in Lambertville, NJ
An 18K gold necklace set with approximately 0.70ctw of G/VS diamonds. The necklace is 16.5" long
Category

21st Century and Contemporary Brazilian Multi-Strand Necklaces

Materials

Diamond, 18k Gold

H. Stern Amethyst Diamond Gold Cocktail Ring
By H. Stern
Located in Lambertville, NJ
Amethyst - approx. 17.5mm x 17mm , 6 Diamonds - approx. 0.09ctw. Ring size 7 1/2 (has sizing balls
Category

21st Century and Contemporary Brazilian Cocktail Rings

Materials

Amethyst, Diamond, 18k Gold

H. Stern Fancy Diamond Ruby Gold Earrings
Located in Lambertville, NJ
Pair of 18k gold earrings by H. Stern, set with rubies and approx. 0.55ctw in fancy diamonds
Category

20th Century Brazilian More Earrings

Materials

Diamond, Ruby, 18k Gold

H. Stern Moonlight Diamond Crystal Gold Necklace
By H. Stern
Located in Lambertville, NJ
fancy VS diamonds. Necklace is 16" long and 21mm at the widest point. Marked: 750, Star, S signature
Category

21st Century and Contemporary Brazilian More Necklaces

Materials

Crystal, Diamond, Gold

H Stern Sunrise Citrine Diamond Gold Necklace
By H. Stern
Located in Lambertville, NJ
faceted citrines and a diamond on the clasp. Necklace is 16 1/2" long. Marked MG923, 750, Star hallmark
Category

20th Century Brazilian More Necklaces

Materials

Citrine, Diamond, 18k Gold

H. Stern Gemstone Diamond Gold Pendant Necklace
By H. Stern
Located in Lambertville, NJ
An 18k yellow gold pendant set with approximately 0.80ctw of H/VS-SI diamonds and multi color
Category

Late 20th Century Brazilian More Necklaces

Materials

Diamond, 18k Gold

H. STERN Amethyst Peridot Diamond Gold Necklace
By H. Stern
Located in Lambertville, NJ
18K Yellow Gold Marked / Tested:H. Stern Hallmark, 750 Gemstones/Diamonds:Diamonds - Approx
Category

Brazilian More Necklaces

H. Stern World Collection Diamond Gold Necklace and Earrings
By H. Stern
Located in Lambertville, NJ
Diamonds- 313 natural yellow, pink, cognac and white diamonds - 23.43ctw Clarity:VS1/SI1
Category

1990s Brazilian Dangle Earrings

Materials

Diamond, 18k Gold

H Stern Hera Leaf Bypass Gold Fancy Diamond Ring
Located in Lambertville, NJ
, adorned with approximately 1.04ctw in fancy diamonds. Marked with star mark,S,18kt. Weight of the piece
Category

21st Century and Contemporary Brazilian More Rings

Materials

Diamond, 18k Gold

H. Stern Cobblestone Rose Quartz Diamond Gold Earrings
By H. Stern
Located in Lambertville, NJ
Pair of delicate 18k gold Cobblestone earrings, crafted by H. Stern with rose quartz and diamonds
Category

21st Century and Contemporary Brazilian More Earrings

Materials

Diamond, Quartz, 18k Gold

H Stern Diamond Gemstone Cabochon Gold Drop Earrings
By H. Stern
Located in Lambertville, NJ
, surrounded with diamonds. Earrings measure 38mm x 18mm. Marked 750, S and star hallmark. Weight - 9.9 grams
Category

20th Century Brazilian More Earrings

Materials

Amethyst, Diamond, 18k Gold

H. Stern Sunrise Rose Quartz Diamond Gold Ring
By H. Stern
Located in Lambertville, NJ
diamond on one side. Ring size 5 3/4, weighs 9.9 grams. Marked: 750, Star marks, MG923.
Category

21st Century and Contemporary Brazilian More Rings

Materials

Diamond, Quartz, 18k Gold

H. Stern Sunrise Rutilated Quartz Diamond Gold Ring
By H. Stern
Located in Lambertville, NJ
top, set with one diamond on a side. Ring size 5 3/4, weighs 9.3 grams. Marked: M6923, 750, Star marks.
Category

21st Century and Contemporary Brazilian More Rings

Materials

Diamond, Quartz, 18k Gold

H. Stern Cobblestone Rock Crystal Diamond Gold Ring
By H. Stern
Located in Lambertville, NJ
diamonds on sides. Ring size 6 1/4, ring top is 20mm in diameter . Marked: 750, Star mark. Weight - 11.5
Category

21st Century and Contemporary Brazilian More Rings

Materials

Crystal, Diamond, 18k Gold

H. Stern Garnet Diamond Gold Dangle Earrings
By H. Stern
Located in Lambertville, NJ
A pair of 18k yellow gold earrings set with garnets and approximately 0.20ctw of diamonds. Crafted
Category

Late 20th Century Brazilian Dangle Earrings

Materials

Diamond, Garnet, 18k Gold

H. Stern Cobblestone Crystal Diamond Gold Ring
By H. Stern
Located in Lambertville, NJ
H Stern 18k yellow gold diamond crystal Cobblestone ring.Retails for $6100. Size - 7 1/2, ring top
Category

21st Century and Contemporary Brazilian More Rings

Materials

Diamond, Rock Crystal, 18k Gold

H. Stern Imperial Topaz Diamond Gold Bracelet
Located in Lambertville, NJ
18k yellow gold H Stern bracelet with Imperial topaz and approx. 0.20ctw in G/VS diamonds. Bracelet
Category

Late 20th Century Brazilian Beaded Bracelets

Materials

Diamond, Topaz, 18k Gold

H.Stern 18k yellow gold and diamond flower drop earrings
Located in Potts Point, New South Wales
princess cut champagne diamonds (3 on the left earring and 2 on the right earring) - 5 princess cut
Category

Early 2000s Brazilian Modern Drop Earrings

Materials

Diamond, 18k Gold

H. Stern Moonlight Collection Gold Gemstone Diamond Necklace
By H. Stern
Located in Lambertville, NJ
Current Retail: $24000; METAL 18K YELLOW GOLD GEMSTONES/DIAMONDS DIAMONDS - 0.90ctw
Category

Brazilian Link Necklaces

1990s Carla Amorim Fun Diamond and Textured Gold Large Cocktail Ring
Located in New York, NY
One Large Fun Textured Gold Cocktail Ring Designed By Carla Amorim A Brazilian Based Designer
Category

1990s Brazilian Cocktail Rings

Materials

Diamond, 18k Gold

H. Stern Wide Diamond Hammered Gold Three Row Band Ring
By H. Stern
Located in Lambertville, NJ
18k hammered white gold band ring, crafted by H Stern, set with approximately 0.65ctw in diamonds
Category

20th Century Brazilian More Rings

Materials

Diamond, 18k Gold

H. Stern Cobblestone Rose Quartz Diamond Gold Pendant Necklace
By H. Stern
Located in Lambertville, NJ
18k yellow gold necklace, crafted by H. Stern , featuring Cobblestone rose quartz and diamond
Category

21st Century and Contemporary Brazilian More Necklaces

Materials

Diamond, Quartz, 18k Gold

H. Stern Citrine Aquamarine Diamond Gold Hoop Earrings
By H. Stern
Located in Lambertville, NJ
H Stern white and yellow gold hoop earrings with citrines and aquamarines, diamonds on sides
Category

20th Century Brazilian More Earrings

Materials

Aquamarine, Citrine, Diamond, 18k Gold

H Stern Gold Gem Set Diamond Necklace
By H. Stern
Located in Lambertville, NJ
Vintage H Stern 18k gold necklace with multi color gemstones and diamonds. Necklace is 17" long
Category

20th Century Brazilian More Necklaces

Materials

Citrine, Diamond, Topaz, Tourmaline, 18k Gold

H Stern Moonlight Gold Diamond Crystal Necklace
By H. Stern
Located in Lambertville, NJ
H Stern 18k gold diamond crystal necklace from Moonlights collection. Current retail $31000
Category

21st Century and Contemporary Brazilian More Necklaces

Materials

Diamond, Rock Crystal, 18k Gold

H Stern Cobblestone Rose Quartz Diamond Gold Ring
By H. Stern
Located in Lambertville, NJ
H Stern 18k gold ring, crafted for Cobblestone collection, set with approx. 0.07ctw in diamonds and
Category

21st Century and Contemporary Brazilian More Rings

Materials

Diamond, Quartz, 18k Gold

1970s H. Stern Emerald Diamond Gold Drop Earrings
By H. Stern
Located in Lambertville, NJ
A pair of 18k white gold earrings set with approximately 1.60ctw in G/VS diamonds and two emeralds
Category

Late 20th Century Brazilian More Earrings

Materials

Diamond, Emerald, 18k Gold

H. Stern Sunrise Citrine Quartz Diamond Gold Bracelet
By H. Stern
Located in Lambertville, NJ
, adorned with diamond. Bracelet is 7 1/2" long and 12mm at widest point, weighs 14.2 grams. Marked
Category

21st Century and Contemporary Brazilian More Bracelets

Materials

Citrine, Diamond, Quartz, 18k Gold

H. Stern Sunrise Quartz Amethyst Diamond Gold Necklace
By H. Stern
Located in Lambertville, NJ
diamond. Necklace is 16 1/2" long and 11mm at widest point. Weight 26.9 grams. Marked:750, S and Star
Category

21st Century and Contemporary Brazilian More Necklaces

Materials

Amethyst, Diamond, Quartz, 18k Gold

H. Stern Diamond Quartz Leaf Gold Cocktail Ring
By H. Stern
Located in Lambertville, NJ
. 0.56ctw Fancy/VS diamonds. Ring size - 7, ring top is 37mm x 28mm. Weight - 34 grams. Marked: PM, Star
Category

20th Century Brazilian More Rings

Materials

Diamond, Quartz, Gold

Natural GIA Certified 0.86 Ct Brazillian Alexandrite Diamond Vintage Ring
Located in New York, NY
Purple ►Natural Diamonds: 0.97 carat ► Geographic origin: Brazil ►Item No.: AR160 ►Estimated Retail
Category

21st Century and Contemporary Brazilian Victorian Cocktail Rings

Materials

Alexandrite, Diamond, Platinum

Aquamarine Ring with Round and Baguette Diamond Accents
Located in Surfside, FL
approximate 8 carat Brazilian Aquamarine and approximately 2.50 carats in full cut round brilliant, marquise
Category

21st Century and Contemporary Brazilian Modern Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold

H.Stern 1980s Diamond and Gold Clip-On Earrings with Matching Ring
By H. Stern
Located in New York, NY
. Earrings Contain Approximately 30 Diamonds Weighing Approximately 2.10 Cts. 18kt Band Style Ring Included
Category

Vintage 1960s Brazilian Clip-on Earrings

Materials

Diamond, 18k Gold

H. Stern 1980s Diamond and Gold Clip-On Earrings with Matching Ring
By H. Stern
Located in New York, NY
. Earrings Contain Approximately 30 Diamonds Weighing Approximately 2.10 Cts. 18kt Band Style Ring Included
Category

Vintage 1960s Brazilian Clip-on Earrings

Materials

Diamond, 18k Gold

Impressive H Stern Cobblestone Multicolor Quartz Diamond Gold Large Ring
By H. Stern
Located in Lambertville, NJ
and approx. 0.12ctw in G/VS diamonds on sides. Ring is a size 7, ring top is 32mm x 22mm. Marked with
Category

21st Century and Contemporary Brazilian More Rings

Materials

Diamond, Quartz, 18k Gold

H. Stern 26.15 Carat Pink Tourmaline 4.45 Carat Diamond Collar
By H. Stern
Located in Lambertville, NJ
brilliant cut diamonds totaling approx 4.45cts. The necklace measures 16 inches in length and weighs 207.5
Category

Vintage 1980s Brazilian Choker Necklaces

Materials

Diamond, Tourmaline, 18k Gold

H. Stern 1990s Rock Crystal Diamonds Flexible Gold Link Earrings
By H. Stern
Located in New York, NY
White Diamonds Set In A Chain Link Motif Weighing Approximately .75 Cts. Chain Link Design To Create
Category

1990s Brazilian Drop Earrings

Materials

White Diamond, Rock Crystal

Vancox 1990s Impressive Aquamarine and Diamonds Floral Motif Gold Link Bracelet
Located in New York, NY
,Further Designed With Numerous High Quality Full Cut Diamonds Weighing Approximately Four Carats Total
Category

1990s Brazilian Link Bracelets

Materials

Aquamarine, Diamond, 18k Gold

H.Stern Aquamarine Diamonds Flexible White Gold Straightline Bracelet
By H. Stern
Located in New York, NY
Designed With Brilliant Full Cut Round And Alternating Emerald Cut Diamonds Weighing Approx 1.65 Total
Category

Vintage 1980s Brazilian Link Bracelets

Materials

Aquamarine, White Diamond, 18k Gold

H Stern Gold Platinum Diamond Amethyst Ring
By H. Stern
Located in Lambertville, NJ
18K YELLOW GOLD/PLATINUM GEMSTONES/DIAMONDS DIAMONDS - APPROX. 0.30ctw AMETHYST - APPROX
Category

20th Century Brazilian More Rings

6.68 ct. Rose Pink Paraiba Tourmaline Diamond Ring 18K
Located in Mill Valley, CA
an equally fabulous setting. Our setting design has colorless, matched sparkling diamond leaves; all
Category

2010s Brazilian Contemporary Cocktail Rings

Materials

Diamond, Tourmaline, Paraiba, 18k Gold

6.68 ct. Rose Pink Paraiba Tourmaline Diamond Ring 18K
Located in Mill Valley, CA
an equally fabulous setting. Our setting design has colorless, matched sparkling diamond leaves; all
Category

2010s Brazilian Contemporary Cocktail Rings

Materials

Diamond, Tourmaline, Paraiba, 18k Gold

H.Stern Cobblestone Amethyst Rose Quartz Fancy Diamond Gold Ring
By H. Stern
Located in Lambertville, NJ
diamonds on sides, amethyst and rose quartz. Ring size 7 1/2, ring top is 25.5mm x 25mm and weighs 24.8
Category

20th Century Brazilian More Rings

Materials

Amethyst, Diamond, Quartz, 18k Gold

H Stern Gold Silver Rock Crystal Diamond Ring
By H. Stern
Located in Lambertville, NJ
H Stern 18k gold and silver ring with 26mm x 12mm rock crystal and side diamonds. Ring size 6, ring
Category

20th Century Brazilian More Rings

Materials

Diamond, Rock Crystal, Sterling Silver, 18k Gold

H. Stern Cobblestone Diamond Pearl Amethyst Quartz Gold Earrings
By H. Stern
Located in Lambertville, NJ
Pair of 18k gold Cobblestone earrings by H. Stern, with approx. 0.36ctw G/VS diamonds, pearls, rose
Category

21st Century and Contemporary Brazilian Chandelier Earrings

Materials

Amethyst, Diamond, Pearl, Quartz, Gold

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Brazilian Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate brazilian diamond for your needs in our varied inventory. Frequently made of Gold, 18k Gold and White Gold, this item was constructed with great care. Our collection of these items for sale includes 55 vintage editions and 314 modern creations to choose from as well. Making the right choice when shopping for a brazilian diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 20th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Finding an appealing brazilian diamond — no matter the origin — is easy, but SCALA GIOIELLI, Mark Henry and David Jerome each produced a popular version that is worth a look. See these pages for an oval cut iteration of this accessory, while there are also brilliant cut cut and emerald cut cut versions available here, too. If you’re browsing our inventory for a brazilian diamond, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Brazilian Diamond?

On average, a brazilian diamond at 1stDibs sells for $9,790, while they’re typically $242 on the low end and $785,000 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.