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Diamond Jewelry

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5.93 Carat Cushion Cut Diamond Set in a Handcrafted Yellow Gold Engagement Ring
Located in Los Angeles, CA
5.93ctw O-P/SI1 GIA certified Cushion cut diamond with 0.19ctw old European cut accent diamonds set in a handcrafted 18K yellow gold mounting. Ring is currently a size 6 and can be ...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Yellow Gold

18 Karat Yellow Gold Cartier Love Bracelet with Pave Diamonds
Located in Banbury, GB
The iconic authentic Cartier LOVE bracelet made in 18K yellow gold with 204 brilliant-cut diamonds weighing 2.00 carats. The timeless design has a soft oval shape with gold nail head...
Category

2010s Diamond Jewelry

Materials

Diamond, 18k Gold, Yellow Gold

Untreated Sapphire Ring, 9.68 Carats
Located in New Orleans, LA
Weighing a monumental 9.68 carats, this sapphire exhibits the perfect royal blue hue, the color most desired in these gems. The sapphire has been independently certified by four majo...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Cartier Panthere 18k White Gold 3.22ct Diamond Pendant Necklace
Located in Southampton, PA
This exciting Cartier Panthere Pendant Necklace puts luxury boldly on display. Attached to a unique linked chain measuring 30” long, you’ll find a fabulous diamond-encrusted panther ...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

Van Cleef & Arpels Diamond Gold Flower Brooch
Located in Boca Raton, FL
Gorgeous 18k yellow gold flower brooch crafted by Van Cleef & Arpels featuring approximately 12.25ctw of F-G/VS-VVS diamonds. Brooch is 46mm x 40mm. Marked Van Cleef & Arpels, N.Y. 5...
Category

20th Century Diamond Jewelry

Materials

Diamond, Gold

Australian 5.70ct Boulder Opal and Diamond Dangle Earrings in 18k White Gold
Located in Sydney, AU
Smouldering and sensuous, “Night Embers” opal earrings glow like night fires. Dramatic boulder opals (5.70ct) from Winton, a popular opal mining area in Australia's Queensland, are f...
Category

2010s Contemporary Diamond Jewelry

Materials

Diamond, Opal, White Gold, 18k Gold

GIA Certified 27.9 Ct Paraiba Tourmaline Diamond White Gold Cocktail Ring
Located in Territet, CH
Incredible and unique GIA Certified 27,9 Carat Paraiba Tourmaline Diamond White Gold Cocktail Ring made by swiss jewellers. Impeccable finishing, 10 baguette cut diamonds IF qual...
Category

2010s Neoclassical Diamond Jewelry

Materials

Diamond, Tourmaline, Paraiba, White Gold

Bulgari Serpenti Seduttori Diamond, Emerald and Turquoise Snake Head Necklace
Located in Philadelphia, PA
This Bulgari snake head necklace from the Serpenti Seduttori collection features approximately 11.08 carats of round brilliant cut diamonds, two striking pear shape emerald eyes tota...
Category

2010s Diamond Jewelry

Materials

Diamond, Emerald, Turquoise, Gold, 18k Gold, Rose Gold

David Rosenberg 17.32 Carat Oval Fancy Yellow GIA Diamond Engagement Ring
Located in Boca Raton, FL
Rosenberg Diamonds & Co. 17.32 Oval shape Fancy Yellow SI2 Clarity is accompanied by a GIA certificate. This gorgeous Oval is full of life and is an exceptional SI2 that is set in a ...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

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

Van Cleef & Arpels Ruby & Diamond Earrings GIA No Heat Burma
Located in Litchfield, CT
Circa 1960s, Platinum and 18k yellow gold, by Van Cleef & Arpels. These glamorous Van Cleef & Arpels earrings are exquisite. Their compelling visual narrative stars sublime stones un...
Category

1960s Vintage Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold, Platinum

GIA Certified 3.17ct Oval Cut Green Emerald and Diamond Ring
Located in Calabasas, CA
This 3.17ct Oval Cut Green Emerald is set in 18K white Gold surrounded by 122pcs Round G-VS =0.55cttw GIA certified #5121892595
Category

2010s Modern Diamond Jewelry

Materials

Diamond, Emerald, 18k Gold

Flawless GIA Certified 5.75 Carat Emerald Cut Diamond Platinum Ring
Located in Rome, IT
Antinori Fine Jewels is proud to offer this important and impressive 5.75 carat GIA certified D Color FLAWLESS Clarity Emerald cut diamond ring. The ring consists of one emerald cu...
Category

2010s Modern Diamond Jewelry

Materials

Diamond, White Diamond, Emerald, Platinum

Veschetti 18 Kt Yellow Gold, Onyx, Diamonds Necklace
Located in Brescia, IT
"Anemone": 18 kt Yellow Gold Necklace featuring 123.20 carats Onyx and 9.91 carats Brilliant-cut Diamonds, G-H color, IF-VS clarity. Total length: cm 70 Length of pendant: cm 6
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Onyx, 18k Gold, Yellow Gold

Amedeo "Lion King" Cameo Ring with White Diamonds
Located in New York, NY
25mm sardonyx shell cameo hand-carved, set on 18kt and sterling silver black rhodium plated with 0.30cts of white diamonds and 0.10cts of rose cut white diamonds
Category

2010s Artisan Diamond Jewelry

Materials

White Diamond, 18k Gold, Yellow Gold, Sterling Silver

18 Karat Rose Gold, White Diamonds and Rubies Large Heart Shaped Earrings
Located in Mayfair, London, GB
O CORAÇÃO AFRICANO Collection Love, my African heart, is a passionate love letter to Africa. A place of great generosity, beauty and opulence and a nod to VANLELES Founder and Creat...
Category

2010s Contemporary Diamond Jewelry

Materials

White Diamond, Ruby, 18k Gold, Rose Gold

Cartier Chaine Necklace Set with a Yellow Saphir and Diamonds
Located in Paris, IDF
Yellow gold Cartier chaine necklace set with a 11.41 carats oval shaped yellow sapphire surrounded with brillant-cut diamonds for a total weight of 3.17 carats, the chain is also par...
Category

1980s Contemporary Vintage Diamond Jewelry

Materials

Diamond, Yellow Sapphire, 18k Gold, Yellow Gold

David Webb Azurmalachite Ruby and Diamond Maltese Cross Brooch
Located in New York, NY
David Webb Azurmalachite Ruby And Diamond Maltese Cross Brooch Rubies, Diamonds & green & blue malachite all set in 18 karat gold & platinum Measurements: 2.25" long Signed, David ...
Category

1980s Vintage Diamond Jewelry

Materials

Malachite, Diamond, Ruby, 18k Gold, Platinum

Veschetti 18 Kt Yellow Gold, Peridot, Diamonds Necklace
Located in Brescia, IT
"Costanza": 18 kt Yellow Gold Necklace featuring 96.20 carats Pear-shaped Peridots and 20.10 carats Brilliant-cut Diamonds, G color, IF clarity. Diameter: cm 12 Length of closed neck...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Peridot, Yellow Gold, 18k Gold

7.10 Carat Natural Emerald Diamond Dangle Flower Earrings 18 Carat White Gold
Located in Rome, IT
Made in Italy amazing and very classy 7.10 carats earrings composed by 5.60 carats of natural emeralds with an intense green color that is much more beautiful in person. This dangl...
Category

2010s Modern Diamond Jewelry

Materials

Diamond, Emerald, 18k Gold, White Gold

10.31 Carat Green Tourmaline and Diamond Yellow Gold Engraved Dome Ring
Located in Los Angeles, CA
A vibrant, rich green 10.31 carat tourmaline oval is featured in this gorgeous, custom-designed 18k yellow gold ring. The tourmaline is a gem in every respect, possessing exceptiona...
Category

21st Century and Contemporary Artisan Diamond Jewelry

Materials

Diamond, Tourmaline, Yellow Gold, Gold, 18k Gold

Mario Buccellati Magnificent Diamond Gold Bracelet
Located in Boca Raton, FL
Important wide cuff bracelet by Mario Buccellati, with approx. 1.10ctw in diamonds. Comes in original box. Bracelet will comfortably fit approx. 6.5" wrist and is 1 7/8" wide. Weigh...
Category

20th Century Diamond Jewelry

Materials

Diamond, Gold

Cartier 18 Karat Yellow Gold Diamond Panther Wrap Lakarda Ring
Located in New York, NY
A stunning vintage Carter panther Lakarda ring that features pave diamonds weighing approximately 6.5 carats. This ring has a spring mechanism that makes this ring more flexible and ...
Category

20th Century Modern Diamond Jewelry

Materials

Diamond, Yellow Gold

David Webb 18k Yellow Gold and Platinum Double Fox Green Emerald Diamond Cuff
Located in New York, NY
Designed as opposing foxes applied with brown enamel, the crowns set with cabochon emeralds, accented by round brilliant-cut diamonds, completed by cabochon green emerald eyes. In 1...
Category

20th Century Modern Diamond Jewelry

Materials

Diamond, Emerald, Yellow Gold, Platinum

Bulgari Diamond 3-Row Flexible Yellow Gold Ring
Located in New York, NY
This gorgeous Bvlgari ring features 3 flexible rows crafted in 18k yellow gold and set with set with round brilliant F-G VVS2-VS1 diamonds weighing an estimated 1.60 - 1.70 carats. M...
Category

1990s Diamond Jewelry

Materials

Diamond, Yellow Gold

Emilio Jewelry GIA Certified 3.00 Carat Pure Light Pink Diamond
Located in New York, NY
From The Museum Vault At Emilio Jewelry New York, Main stone: 3.00 carat Very Light Pink VVS1 CUSHION Setting: 8 fancy-cut white diamonds totaling approximately 3.26 carats, white d...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Pink Diamond

Cartier Love 18 Karat White Gold 0.96 Carat 10 Diamond Bracelet
Located in Southampton, PA
The Cartier “LOVE” bracelet is crafted from 18K white gold and set with 10 diamond stones that amount to 0.96 carats. The bracelet weighs 33.1 grams, measures 7.40” in length. This ...
Category

Late 20th Century Diamond Jewelry

Materials

Diamond, White Diamond, 18k Gold, White Gold

Vivid Diamonds GIA Certified 5.93 Carat Pear Shape Diamond Engagement Ring
Located in Miami, FL
Sensational Vivid Diamonds engagement ring crafted in platinum, showcasing a spectacular GIA certified pear shape diamond weighing 5.93 carats, J color, SI1 clarity, adorned with two...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, Platinum

Vivid Diamonds GIA Certified 6.01 Carat Diamond Solitaire Stud Earrings
Located in Miami, FL
Stunning Vivid Diamonds solitaire stud earrings crafted in platinum, showcasing 2 spectacular GIA Certified round brilliant cut diamonds weighing 6.01 carats total, K color SI2 clari...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, Platinum

Vivid Diamonds GIA Certified 8.63 Carat Emerald Cut Diamond Eternity Band
Located in Miami, FL
Vivid Diamonds eternity band crafted by hand in platinum, showcasing 17 spectacular GIA certified emerald cut diamonds weighing 8.63 carats total, D-E color, VVS1- VS1 clarity. Each ...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, Platinum

Marquise Round Pear Cluster Diamond Gold Clip Back Earrings
Located in Miami, FL
Add some gleaming beauty to your life with these elegant Diamond 14k Gold Marquise, Round Cut, and Pear Cluster Clip Back Earrings! These alluring earrings boast 28 genuine natura...
Category

Late 20th Century Romantic Diamond Jewelry

Materials

Diamond, Gold

Pear Shaped Cabochon Burma Rubies and Diamond Split Shank Gold Cocktail Ring
Located in New York, NY
14 karats white and yellow gold split shank facing cabochon Burma ruby and diamond cocktail ring Pear shape cabochon Burma ruby weighing 2.72 carat One Diamond bezel set weighing 0...
Category

2010s Contemporary Diamond Jewelry

Materials

Ruby, Diamond, Gold, 14k Gold, White Gold

Turquoise, Diamonds, 14 Karat White Gold Stud Earrings
Located in Marcianise, Marcianise (CE)
Beautiful stud earrings in 14 kt white gold structure mounted with a central turquoise surrounded by white diamonds. These earrings are totally handmade by Italian master goldsmiths ...
Category

1980s Retro Vintage Diamond Jewelry

Materials

Diamond, Turquoise, 14k Gold, White Gold

David Rosenberg 10.12 Carat Cushion Cut GIA Three Stone Diamond Engagement Ring
Located in Boca Raton, FL
Rosenberg Diamonds & Co. 10.12 carat Cushion Cut H color SI1 clarity is accompanied by a GIA certificate. This spectacular Cushion is full of brilliance and it is set in a handmade p...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, White Diamond, Platinum

Cartier Le Baiser Du Dragon Black Jade Diamond White Gold Ring
Located in New York, NY
This spectacular ring from Cartier's iconic Le Baiser du Dragon is inspired by gorgeous East Asian design elements, crafted in 18k white gold, set with a cushion-cut black jade and a...
Category

Early 2000s Diamond Jewelry

Materials

Diamond, Black Jade, White Gold

Bulgari Spiga Diamond White Gold Flexible 2-Row Snake Ring
Located in New York, NY
This fabulous Bvlgari Snake ring from the iconic Spiga collection is crafted in 18k white gold and set with round brilliant F-G-H VVS1-VVS2 diamonds weighing an estimated 0.75 carats...
Category

1990s Diamond Jewelry

Materials

Diamond, White Gold

Petra Class Brilliant, Rose-Cut and Raw Diamond Handmade 22k Gold Line Earrings
Located in Dallas, TX
One of a Kind Linear Dangle Earrings handcrafted by jewelry maker Petra Class in signature-finished 22k yellow gold featuring 7.0 total carats of assorted natural diamonds ranging fr...
Category

21st Century and Contemporary Artist Diamond Jewelry

Materials

Diamond, White Diamond, Black Diamond, Brown Diamond, Gold, 18k Gold, 22...

GIA 4.96ct Old Mine Cut Engagement Ring Solitaire Jack Weir and Sons
Located in Beverly Hills, CA
Jack Weir and Sons GIA 4.96 carat Old Mine Cut Solitaire Engagement Ring. The center diamond is GIA certified Old Mine Cut, 4.96 carat, O-P color, SI2 clarity (#2211684722). Circa 20...
Category

2010s Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold

Van Cleef & Arpels Diamond, Yellow Sapphire Ring
Located in New York, NY
VAN CLEEF & ARPELS Diamond, Yellow Sapphire Ring An 18k yellow gold ring, set with diamonds and Ceylon no heat yellow sapphire, signed Van Cleef & Arpels, circa 1980s. This comes wit...
Category

1980s Vintage Diamond Jewelry

Materials

Diamond, Yellow Sapphire, 18k Gold

Van Cleef & Arpels Diamond Turquoise Poire Suite
Located in New York, NY
VAN CLEEF & ARPELS Diamond Turquoise Poire Suite in 18k Yellow and White Gold. A mid-century demi-parure by Van Cleef & Arpels including a brooch with complimentary on-the-ear clips....
Category

1960s Vintage Diamond Jewelry

Materials

Diamond, Turquoise, 18k Gold

David Webb 18k Yellow Gold 1.26 Ct Diamond and Onyx Earrings
Located in Southampton, PA
These unique David Webb 18K Yellow Gold 1.26 ct Diamond Onyx Earrings are made with 18K yellow gold and are set with two rows of 1.26 carats of round diamonds around the outside of b...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Onyx, 18k Gold, Yellow Gold

Tiffany & Co. Yellow Gold Diamond Enamel Green Stone Cufflinks
Located in New York, NY
Authentic Tiffany & Co. cufflinks crafted in 18 karats Yellow Gold and Emerald. Designed in the shape of a lion's head, the majestic mane of each lion is set with 12 round brilliant ...
Category

1980s Vintage Diamond Jewelry

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Amedeo "Pirate" Cameo Ring with Black Diamonds
Located in New York, NY
25mm sardonyx shell cameo hand-carved set on 18kt and sterling silver black, rhodium plated with 0.58cts of black diamonds.
Category

2010s Artisan Diamond Jewelry

Materials

Black Diamond, 18k Gold, Yellow Gold, Sterling Silver

LB Exclusive 18k White Gold 7.93 Ct Diamond Tennis Bracelet
Located in Southampton, PA
This gorgeous LB Exclusive 18K White Gold 7.93 ct Diamond Tennis Bracelet is a classic piece that provides the perfect finish tough to any outfit The bracelet is made with 18K white ...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

1960s Aquamarine Diamond Pendant Necklace
Located in New York, NY
Beautifully designed and masterfully hand-crafted this chic 1960s necklace features intense sky-blue aquamarines and bright white round brilliant cut diamonds. The largest of the aqu...
Category

1960s Vintage Diamond Jewelry

Materials

Aquamarine, Diamond, Platinum

5.35 Carats Blue Opal Pink Sapphire Blue Sapphire And Diamonds 18kt Gold Ring
Located in Jaipur, Jaipur
This collection features only high jewellery pieces, with bright, rich gemstones whose hues are juxtaposed with one another. With this 5.35 carats doublet blue opal cocooned in pave ...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, White Diamond, Opal, Blue Sapphire, Pink Sapphire, Gold, 18k Go...

GIA Certified Pinkish Purple Oval Cut Diamond Halo Engagement Ring
Located in New York, NY
Features a rare 0.63 carat oval cut diamond certified by GIA as Fancy Light Pinkish Purple color, VS2 clarity. Surrounding the center are two rows of round brilliant diamonds set in ...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Pink Diamond, Platinum

Art Deco Style Pear Shape Baroque Pearls Gold Diamonds Enamel Dangle Earrings
Located in Bangkok, TH
Unique pair of Very Big Size Pear Shape Baroque Pearls earrings with on top 2 white gold elements in a Crown shape with 20 full cut round Diamonds and Red Enamel. In the bottom part...
Category

2010s Art Deco Diamond Jewelry

Materials

Diamond, Pearl, Gold, 14k Gold, Enamel

Gold Rubelite and 1.50 Carats Diamonds French Vintage Ring
Located in Saint-Ouen, FR
Very beautiful ring, made in France circa 1980. Made in yellow gold 18k, hallmark for gold: the eagle head. Mark of maker (Unknown). The ring is set with a big Rubelite in the center...
Category

1980s Vintage Diamond Jewelry

Materials

Diamond, Rubelite, Gold, 18k Gold

Alex Soldier Tourmaline Diamond Gold Byzantine Necklace One of a Kind
Located in New York, NY
Turning jewelry into art is a salient characteristic of Alex Soldier's work. Whether in explosive, colorful abstractions or representational works that capture the perfect delicacy o...
Category

2010s Byzantine Diamond Jewelry

Materials

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

Alex Soldier Diamond Sapphire Ruby Garnet Citrine Sunny the Snail Ring
Located in New York, NY
Alex Soldier uses snails as a reminder to slow down and enjoy life. He has created more than 25 jewel encrusted snails, each unique and one-of-a-kind. It became an instant classic an...
Category

2010s Contemporary Diamond Jewelry

Materials

Citrine, Diamond, White Diamond, Garnet, Ruby, Sapphire, Yellow Sapphire...

Veschetti 18 Kt Yellow Gold, Natural Oriental Pearl, Diamonds Necklace
Located in Brescia, IT
"Virginia": 18 kt Yellow Gold Necklace featuring 668.20 carats Natural Oriental Pearls (diam. 7 ½ - 8 mm) and 4.02 carats Brilliant-cut Diamonds, G-H color, IF-VS clarity. Total leng...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Oriental Pearl, 18k Gold, Yellow Gold

Pink Tormaline 2.65 Carat Sapphires Diamond 18 Karat Yellow Gold Bubble Earrings
Located in Bangkok, TH
Pink Tormaline 2.65 Carat Sapphires Diamond 18 Karat Yellow Gold Bubble Earrings Incredibly light and airy Earrings from our Bubbles Collection. Yellow 18 Karat Gold is made in the f...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Sapphire, Tourmaline, Pink Sapphire, Yellow Gold, 18k Gold

Veschetti 18 Kt Yellow Gold, Malachite, Diamond Bracelet
Located in Brescia, IT
"Giove": 18 kt Yellow Gold Bracelet featuring Malachite and 1.80 carats Brilliant-cut Diamonds, G colour, IF-VS clarity. Length: cm 19.2
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Malachite, 18k Gold, Yellow Gold

Late Victorian Emerald and Old Cut Diamond 18ct Gold Cluster Ring, Circa 1890
Located in London, GB
Natural emerald and diamond cluster ring featuring an oval shaped vibrant emerald in the center mounted an open back claw setting with an approximate weight of 1.00 carat. The emeral...
Category

1890s Late Victorian Antique Diamond Jewelry

Materials

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

18 Karat Gold Two Tone Moonstone Poppy Earrings Suneera
Located in Los Angeles, CA
These floral Poppy earrings feature rainbow moonstones 6.00cts and teal and white diamonds 0.58cts with 18K yellow gold and blackened sterling silver. They hang at about 1.28inches f...
Category

2010s Artisan Diamond Jewelry

Materials

White Diamond, Moonstone, Diamond, Blue Diamond, Silver, Gold, 18k Gold,...

David Rosenberg 19.09 Carat Emerald Cut GIA Three Stone Diamond Engagement Ring
Located in Boca Raton, FL
Rosenberg Diamonds & Co. 19.09 carat Emerald Cut J color SI1 clarity is accompanied by a GIA certificate. This spectacular Emerald is full of fire and it is set in a handmade platinu...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, White Diamond, Platinum

Vintage GIA 6.30 Radiant Cut Engagement Ring Solitaire
Located in Beverly Hills, CA
Vintage GIA 6.30 carat Radiant Cut Solitaire Engagement Ring. The diamond is GIA certified radiant cut 6.30 carat, K color, SI1 clarity. Accented by 20 Round Brilliant Cuts, approxim...
Category

2010s Diamond Jewelry

Materials

Diamond, Platinum

David Rosenberg 3.02 Carat Radiant Shape GIA Diamond Engagement Wedding Ring
Located in Boca Raton, FL
Rosenberg Diamonds & Co. 3.02 carat Radiant shape J color SI1 clarity is accompanied by a GIA certificate. This gorgeous Radiant is full of fire and is an exceptional SI1 that is set...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, White Diamond, 18k Gold, White Gold

Antique and Vintage Diamond Jewelry and Watches

Diamonds and antique 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 “Diamonds Are 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 the stone 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 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 diamonds 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.

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