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Diamond Jewelry

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Coral Diamond Drop Earrings
Located in Beverly Hills, CA
Exceptional Coral and diamond earrings, hand engraved in the traditional Florentine style. The Corals weigh a total of approximately 4 carats and the diamonds weigh a total of 0.08 c...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Coral, Diamond, White Diamond, Multi-gemstone, 18k Gold, Yellow Gold, Wh...

Russian Alexandrite 18k Gold Antique Design Ring with Diamonds
Located in Bangkok, TH
Exceptional Russian Alexandrite Ring wrapped in an antique chequerboard design – popular motif in the ’60s of the XIX century. Alexandrite was first found in Russia's Ural Mountain...
Category

1860s Romantic Antique Diamond Jewelry

Materials

Alexandrite, Diamond, 18k Gold

Large Temple St. Clair Rock Crystal Diamond 18 Karat Gold Amulet Drop Necklace
Located in Philadelphia, PA
Necklace has a substantial pendant drop featuring an egg shaped rock crystal quartz Encompassed by a cage-like form accented by gold beading and round brilliant cut diamonds Weighi...
Category

Late 20th Century Contemporary Diamond Jewelry

Materials

Diamond, White Diamond, Quartz, Rock Crystal, Gold, 18k Gold, Yellow Gold

1950s Diamond and Platinum Spray Earclips
Located in Miami, FL
Pair of platinum and diamond clip-on earrings, circa 1950, designed as floral sprays set in the centers with 2 round light yellow old mine cut diamonds weighing approximately 1.10 ca...
Category

1950s Vintage Diamond Jewelry

Materials

Diamond, White Diamond, Platinum

Fern Freeman Descending Diamond Black Gold Ear Threaders
Located in Dallas, TX
Descending Diamond Earring Threaders handmade by Fern Freeman in 18k black gold featuring ten shimmering round brilliant-cut white diamonds totaling 0.20 carats. 2.25" long front an...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, White Diamond, Gold, 18k Gold, White Gold, Rhodium

Guardian Angel Pendant Traceable Diamond In 18 Karat Gold By Rocks for Life
Located in Haddonfield, NJ
The Guardian Angel Pendant is designed as lovetoken for any occasion and for all ages. The Angel holds a traceable 0.01 carat diamond from the Jwaneng Diamond Mine in Botswana. Th...
Category

2010s Contemporary Diamond Jewelry

Materials

Diamond, White Gold, 18k Gold

Joke Quick Lightning Ridge Black Opal Rose-Cut Diamond Mosaic Ring
Located in Antwerp, BE
One of a kind ring handmade in Belgium by jewellery artist Joke Quick. Diamonds and gemstones in different cut shapes and colours are set like a mosaic. This Ring is Handmade the tr...
Category

2010s Art Nouveau Diamond Jewelry

Materials

Diamond, Opal, Black Opal, 18k Gold, Rose Gold, Sterling Silver

0.68 Carat Diamond Midi Halo Earrings in 14 Karat White Gold - Shlomit Rogel
Located in Ramatgan, IL
0.68 Carat Diamond Midi Halo Earrings in 14 Karat White Gold - Shlomit Rogel A beautiful and classic halo design, these midi stud earrings feature shiny genuine diamonds totaling 0....
Category

2010s Art Deco Diamond Jewelry

Materials

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

Peter Suchy EGL Certified 1.81 Carat Diamond Platinum Stud Earrings
Located in Stamford, CT
Round brilliant cut stud earrings. 2 EGL certified diamonds in simple platinum baskets. Designed and crafted in the Peter Suchy workshop. 1 round brilliant cut diamond, J-K VS2 appr...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Platinum

Modern Art Deco Style 14 Karat Gold and Platinum Diamond Cufflinks
Located in Tustin, CA
Fabulous modern design with Art Deco style, 14k yellow gold and platinum diamond cuff links feature a triangular face with a Florentine finish, embellished with a row of 5 pave set d...
Category

1970s Modern Vintage Diamond Jewelry

Materials

Diamond, White Diamond, Gold, Platinum, 14k Gold, Yellow Gold

18 Karat Pink Gold, Ruby, and Diamond Fashion Ring
Located in Hong Kong, HK
18 Karat Pink Gold, Ruby, and Diamond Fashion Ring. Diamonds of approximately 0.09 carats, Ruby approximately of 0.29 carats mounted on 18 karat pink gold ring. The ring weighs appr...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Ruby, Gold, 18k Gold, Rose Gold

4.87 Carat Emerald Cut Pink Tourmaline and Diamond 18 Carat Gold Cocktail Ring
Located in Hamilton, AU
Forged in 18 carat yellow gold, this uniquely designed art deco inspired ring features an alluring 4.87 carat bright reddish pink emerald cut Tourmaline complimented by glittering ro...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

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

Rubies, Diamonds, 18 Karat White Gold Bracelet
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). Beautiful bracelet in 18 karat whi...
Category

1980s Retro Vintage Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

Antique French Enamel Diamond Ruby 18 Karat Gold Putti Earrings
Located in New York, NY
These truly unique French antique ear pendants from ca 1870 have been beautifully designed and amazingly handcrafted. The black enamel base has been decorated with Putti , and floral...
Category

1870s Victorian Antique Diamond Jewelry

Materials

Diamond, Gold, 18k Gold, Enamel

Retro 18 Karat White Gold Diamond Eternity Ring
Located in Beverly Hills, CA
One Retro White Gold Diamond Eternity Ring. Featuring 22 round brilliant cut diamonds with a total weight of approximately 1.10 carats, graded G color, VS-SI clarity. Crafted in 18 k...
Category

1940s Retro Vintage Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

TB Exclusive Emerald and Diamond Art Deco Style Ring
Located in Derby, NY
Lovely vintage inspired art deco style ring. The beautiful milgrain finish gives this ring a vintage look. There are three vibrant green emeralds totaling .32 cttw. There are thirt...
Category

21st Century and Contemporary Art Deco Diamond Jewelry

Materials

Emerald, Diamond, White Gold, 18k Gold

Van Cleef & Arpels Mystery-Set Ruby, Diamond Ring
Located in New York, NY
VAN CLEEF & ARPELS Mystery-Set Ruby, Diamond Ring Platinum ring, set with circular-cut diamonds and mystery-set ruby. dimensions approx. top of the ring approx. 1.25″ in length by 0....
Category

1960s Vintage Diamond Jewelry

Materials

Diamond, Ruby, Platinum

Blue Sapphire with Diamond Ring Set in 18 Karat Gold Settings
Located in Bangkok, TH
Blue Sapphire 1.83 carats with Diamond 0.10 carat Ring set in 18 Karat Gold Settings Width: 2.0 cm Length: 0.9 cm Ring Size: 54 Total Weight: 6.83 grams "We first opened doors in...
Category

2010s Contemporary Diamond Jewelry

Materials

Diamond, Blue Sapphire, Gold, 18k Gold

Morganite with Cultured Perles and Diamonds on White Gold Chandelier Earrings
Located in Vannes, FR
Discover this Cultured Perles pink with Natural Morganite 2 White Diamonds shape B 0.140 carat White Gold 18K weight 4.25 grams 2 type of Claps Chandelier Earrings Can be adapte...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Cultured Pearl, Diamond, White Diamond, Morganite, Multi-gemstone, Gold,...

Burma Cabochon Ruby Diamond Yellow Sapphire Open Shank Cocktail Ring
Located in New York, NY
Eighteen karats rose gold cocktail open shank facing ring Round shape Burma cabochon ruby weighing 4.60 carat Trillion Ceylon Yellow sapphire weighing 0.75 carat Diamond weighing ...
Category

2010s Contemporary Diamond Jewelry

Materials

Diamond, Ruby, Sapphire, Yellow Sapphire, Gold, 18k Gold, Rose Gold

Art Deco Tiffany & Co. Sapphire Diamond Platinum Dinner Ring
Located in Philadelphia, PA
Bombè band features a rectangular cut sapphire weighing approximately 2.00 carats Transparent with saturated and uniform medium dark royal blue color Flanked by trapezoid and Frenc...
Category

1930s Art Deco Vintage Diamond Jewelry

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Oval Emerald Bezel Diamond Halo Mens Gents Unisex Ring Band 14K White Gold
Located in GREAT NECK, NY
14K White Gold 1 Oval Emerald at 0.76 Carats - Measuring 7x 5 mm 12 Brilliant Round White Diamonds at 0.48 Carats - Color: H-I / Clarity: SI Alberto offers complimentary sizing on a...
Category

2010s Contemporary Diamond Jewelry

Materials

Emerald, Diamond, White Diamond, 14k Gold, White Gold

Large Antique Victorian Topaz Diamond Flower Brooch
Located in Chicago, IL
Circa 1840s A large antique early Victorian era brooch is superbly modeled as a stylized flower. The brooch is finely crafted in silver-topped gold and embellished with champagne co...
Category

Mid-19th Century Victorian Antique Diamond Jewelry

Materials

Diamond, Topaz

Tiffany & Co. Gold and Diamond Bracelet
Located in Aspen, CO
Tiffany & Co. oval bracelet centering two diamonds, this 14K yellow gold and platinum bracelet is easy to wear. It has a by-pass clasp with a diamond on each side of the interlock ...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Gold, 14k Gold

Pomellato Sabbia Diamond 18 Karat Yellow Gold Open Link Bracelet Modern
Located in Boca Raton, FL
Stylish diamond link bracelet by Italian designer Pomellato fashioned in 18 karat yellow gold. The open link bracelet this S hook closure features round brilliant cut white and champ...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, 18k Gold, Yellow Gold

18 Carat Black Gold Lapis Lazulis and Emerald Pendant Earring
Located in Vannes, FR
18 karat Black Gold Lapis Lazulis and Emerald Earrings Cabochon cut Lapis Lazulis with a 0.10 carat Emerald set in 18 karat Yellow Gold. Pendant Earring with Clip Clasp to ensure th...
Category

21st Century and Contemporary Romantic Diamond Jewelry

Materials

Diamond, Emerald, Lapis Lazuli, 18k Gold, Yellow Gold

Pear Cut Diamond Pendant Mounted on 18 Karat Rose Gold GIA
Located in Vannes, FR
Pear cut diamond pendant mounted on 18 karat rose gold GIA Pear cut diamond 1.810 carats mounted on 18 karat rose gold with its chain. Shape : P Color : G Clarity: SI2
Category

21st Century and Contemporary Romantic Diamond Jewelry

Materials

Diamond, 18k Gold, Rose Gold

Striking 3 Carat Oval Ruby Cabochon Triple Diamond Halo White Gold Post Earrings
Located in Tustin, CA
Very elegant and striking, 14 karat white gold earrings feature prong set oval ruby cabochons, surrounded by a halo of 3 rows of pave set, sparkling, round brilliant diamonds. Ruby ...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

White Diamond, Ruby, 14k Gold, White Gold

3 Carat Old European Cut Diamond Engagement Ring
Located in New York, NY
This is a beautiful 3 carat Old European Cut Diamond Engagement Ring. Mounted with a 3.01 carat Old European Cut Diamond of G color, VS1 clarity, certified by GIA. It is an exception...
Category

20th Century Modern Diamond Jewelry

Materials

Diamond, Platinum

18 Karat Eternity Gold Band Princess Blue Sapphire Princess Diamond 4.80 Carat
Located in New York, NY
Eighteen karats white gold eternity wedding or anniversary ring Princess cut diamond weighing 1.80 carat Alternating with princess-cut blue sapphire weighing 3.00 carat Band meas...
Category

2010s Contemporary Diamond Jewelry

Materials

Diamond, Sapphire, Blue Sapphire, 18k Gold, White Gold, Gold

Art Deco 10 Carat Diamond Platinum Brooch
Located in Los Angeles, CA
Art Deco Diamond and platinum brooch circa 1930. DETAILS: Art Deco 10.00 carats diamond and platinum brooch. DIAMONDS: one hundred forty-six baguette and circular-cut diamonds total...
Category

1930s Art Deco Vintage Diamond Jewelry

Materials

Diamond, Platinum

Sybarite Jewellery Fairies Chandelier Earrings 8.95 Carat Diamond 18 Karat Gold
Located in London, GB
Sybarite Jewellery is a London-based luxury brand crafting outstanding pieces, incomparable both in design and in execution. Spearheaded by founder Margarita Prykhodko, a former arch...
Category

2010s Diamond Jewelry

Materials

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

Vintage GIA Certified Cartier 'Ballerine' Diamond Solitaire Ring Set in Platinum
Located in London, GB
A beautiful vintage Cartier 'Ballerine' diamond ring set in platinum. The piece prominently features a beautiful 0.18 carat round brilliant diamond. The diamond is four claw set to...
Category

Early 2000s Modern Diamond Jewelry

Materials

Diamond, Platinum

Cartier Himalia Diamond Ring 18k White Gold
Located in MIAMI, FL
Beautiful ring from famed jewelry designer Cartier. This ring is crafted in 18k white gold and is set with natural diamonds throughout. The ring shows circular links that are spaced ...
Category

Early 2000s Modern Diamond Jewelry

Materials

Diamond, 18k Gold, White Gold

19.36 Carat Round Brilliant Diamond and Pink Sapphire 18K Gold Cuff Bracelet
Located in Washington, DC
This is an absolutely stunning bracelet! The bracelet contains a total of 836 round brilliant Diamonds for a total weight of 19.36 carats. The Diamonds are prong set and bezel set ...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Diamond, Pink Sapphire, 18k Gold, Rose Gold, White Gold, Yellow Gold

Diamond Flower Ring
Located in New York, NY
So much sparkle set into a beautiful and iconic flower design. 2.15 carats of F color VS round brilliant cut diamonds set in 18k white gold. Currently a size 6.5 but can be sized...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, White Diamond, 18k Gold

  • Diamond Flower Ring
  • Diamond Flower Ring
  • Diamond Flower Ring
  • Diamond Flower Ring
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Cartier 'Panthère' Diamond Necklace, French
Located in New York, NY
Classic Cartier Gold and Diamond 'Panthère' Necklace, France Composed of five rows of gold bar links encrusted with round diamonds approximately 25 carats Signed Cartier, no. xxxxxx...
Category

Early 20th Century Artist Diamond Jewelry

Materials

Diamond, 18k Gold

GIA Certified 10.27 Carats Blue Sapphire Diamond Ring
Located in New York, NY
Finley crafted 14k white gold adjustable ring with emerald cut natural Thai blue sapphire weighting 10.27 carats, GIA#2215931500. The ring is made with 14 natural pear shape cut diam...
Category

21st Century and Contemporary Modern Diamond Jewelry

Materials

Blue Sapphire, Diamond, White Diamond, 14k Gold, White Gold

Cartier Paris Sapphire Cabochon and Diamond Earrings, 18K Yellow Gold
Located in New York, NY
A pair of Cartier Paris Sapphire Cabochon and Diamond Earrings made in 18K Yellow Gold. The length is 0.75 inches. The total weight is 11.30 grams.
Category

20th Century Diamond Jewelry

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

26.02 Carat Turquoise Diamond 18 Karat Gold Sleeping Beauty Earrings
Located in Hoffman Estate, IL
Handcrafted from 18-karat gold, these beautiful earrings are set with 26.02 carats Turquoise, Ruby and 3.60 carats of glimmering diamonds. FOLLOW MEGHNA JEWELS storefront to view t...
Category

21st Century and Contemporary Artisan Diamond Jewelry

Materials

Diamond, Turquoise, Gold, 18k Gold

Vintage Art Deco Diamond Ruby Sapphire Bow Brooch
Located in Chicago, IL
Circa 1930s This vintage 14K white gold openwork brooch with a dynamic and flowing shape, is modeled as a diamond bow accented by channel-set rubies and sapphires. The brooch is embe...
Category

Mid-20th Century Art Deco Diamond Jewelry

Materials

Diamond, Ruby, Sapphire

DiamondTown 1.51 Carat Vivid Blue Sapphire and Diamond Cross Pendant in 18k Gold
Located in New York, NY
(DiamondTown) This stunning cross pendant features five oval cut vivid blue sapphires (total weight 1.51 carats), around a central round diamond. Seven round diamonds are set in the ...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

De Grisogono Allegra Rose Gold Ceramic Diamond Ring
Located in Boca Raton, FL
18k rose gold Allegra ring by De Grisogono, with white ceramic and approx. 1.75ctw in G/VS diamonds. Retail $16500, with box. Ring size - 6, ring top is 20mm wide. Weight - 24.6 gr...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, Rose Gold

GIA Certified 3.26 Carat Round Cut Diamond Pendant Necklace
Located in New York, NY
Exquisite round cut diamond pendant necklace. This dazzling diamond weighing 3.26 carat is graded by the GIA K in color VS2 clarity. This diamond Is special and unique for being perf...
Category

2010s Modern Diamond Jewelry

Materials

Diamond, Platinum

19.32 Carat Ruby Diamond Necklace Set
Located in Richmond, BC
Royal ruby diamond necklace earrings set. High brilliance, oval faceted, 19.32 carats natural rubies mounted in an open basket profile with yellow gold prongs, accented with round br...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold

2.71 Carat Fancy Rose-Cut and Brilliant-Cut Diamond Pave Earrings
Located in Antwerp, BE
One of a kind Handmade Earrings rotating around the earlobe in 18K White gold 9,8 g. Pave set with Fancy Pink, Fancy Green, Fancy yellow & white DEGVVS brilliant-cut diamonds, Fancy ...
Category

2010s Contemporary Diamond Jewelry

Materials

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

2 Carat GIA Oval Diamond Ring Platinum Rose Gold
Located in Aliso Viejo, CA
A beautiful oval-cut diamond that has a beautiful appearance. The center diamond of this ring is a GIA Certified Diamond with a color and clarity of D-I2. The clarity will surprise...
Category

Early 2000s Modern Diamond Jewelry

Materials

Diamond, Pink Sapphire, Rose Gold, Platinum, 18k Gold

Hammerman & Brothers Ruby and Diamond and 18 Karat Bracelet
Located in Aspen, CO
18K yellow gold bracelet with 44 natural fine Rubies, weighing totally approximately 1.32 cts. and 11 fine white diamonds weighing totally approximately .88 cts. This contemporary ...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold

Mark Henry 21.74 Carat Cabochon Paraiba Tourmaline and Diamond Necklace 18 Karat
Located in New York, NY
Known for its intense neon blue and green hues, this member of the tourmaline family has distinguished itself as one of the most remarkable and rarest gems in the world. Its unparall...
Category

1920s Art Deco Vintage Diamond Jewelry

Materials

Paraiba, Diamond, Tourmaline, 18k Gold, White Gold

1970s 4.63 Carat Emerald and 16.27 Carat Diamond Platinum and Gold Bracelet
Located in Jesmond, Newcastle Upon Tyne
A stunning vintage 4.63 carat emerald and 16.27 carat diamond, platinum and 18 karat gold bracelet; part of our diverse emerald jewelry and estate jewelry collections. This stunning...
Category

1970s Vintage Diamond Jewelry

Materials

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

GIA Certified 4.83 Carat Emerald Diamond 14 Karat Yellow Gold Ring
By DGI
Located in Los Angeles, CA
A beautiful, unique, art-deco inspired, 4.23 Carat Emerald and Diamond Ring in 18K Yellow Gold. The ring has been certified by GIA and the Cert # is: 5202859290 This gorgeous ring h...
Category

21st Century and Contemporary Contemporary Diamond Jewelry

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Van Cleef & Arpels Diamond, Mystery-Set Ruby Earrings
Located in New York, NY
VAN CLEEF & ARPELS Diamond, Mystery-Set Ruby Earrings A pair of platinum and 18k yellow gold ear clips, set with round brilliant-cut diamonds and mystery-set ruby, signed Van Cleef &...
Category

1960s Vintage Diamond Jewelry

Materials

Diamond, Ruby, 18k Gold, Platinum

DiamondTown 2.38 Carat Oval Cut Sapphire and Diamond Pendant in 18 Karat Gold
Located in New York, NY
This beautiful pendant with attached chain features three gorgeous deep color oval cut blue sapphires each in a halo of round white diamonds. The total sapphire weight is 2.38 carats...
Category

21st Century and Contemporary Diamond Jewelry

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, 18k Gold, White Gold

Van Cleef & Arpels Ruby Diamond Yellow Gold Fleurette Flower Pendant Necklace
Located in Holland, PA
18k Yellow Gold Diamond And Ruby Fleurette Flower Pendant Necklace by Van Cleef & Arpels. With 113 diamonds, VS1 Clarity, G Color. Total Diamond Weight approx. 1.00ctw. 3 Ruby st...
Category

1980s Vintage Diamond Jewelry

Materials

Diamond, Ruby, Yellow Gold

Mikimoto Diamond Sapphire Ruby Yellow and White Gold Flower Brooch Pin
Located in Holland, PA
18k Yellow And White Gold Diamond, Sapphire and Ruby Flower Pin Brooch by Mikimoto. With 50 Round brilliant cut diamonds VS1 Clarity, G color total weight approximate 1.50ct 3 Rubi...
Category

1980s Vintage Diamond Jewelry

Materials

Diamond, Ruby, Sapphire, White Gold, Yellow Gold

3.05 Carat Sapphire Diamond White Gold Vintage Ring
Located in San Dimas, CA
Gorgeous 3.05 Carat Vintage Sapphire and Diamond ring that can easily be worn as a unique Engagement ring! The Deep Blue Oval Cut Sapphire weighs 2.67 carat and is surrounded by 2...
Category

21st Century and Contemporary Romantic Diamond Jewelry

Materials

Diamond, Blue Sapphire, Sapphire, 14k Gold, White Gold

Cartier Emerald, Diamond and 18 Karat Gold Moi et Toi Contraire Ring
Located in New York, NY
Very fine emerald, diamond and 18K yellow gold "Moi et Toi" ring by Cartier. It features high grade round brilliant cut diamonds with deep green oval cut emeralds on both ends. Europ...
Category

Late 20th Century Diamond Jewelry

Materials

Diamond, Emerald, 18k Gold, Gold

0.85 Carat 3 Row Diamond Wedding Band in 14 Karat White Gold, Shlomit Rogel
Located in Ramatgan, IL
0.85 Carat 3 Row Diamond Wedding Band in 14 Karat White Gold - Shlomit Rogel We know it can be hard finding your perfect diamond ring, so we did all the work for you. A classic and ...
Category

2010s Art Deco Diamond Jewelry

Materials

Diamond, White Diamond, Gold, 14k 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.