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Vintage 14k White Gold & Old Mine Cut Diamond Engagement Ring
Vintage 14k White Gold & Old Mine Cut Diamond Engagement Ring

Vintage 14k White Gold & Old Mine Cut Diamond Engagement Ring

Located in Philadelphia, PA

. Old Mine cut white diamond center set and flanked by 6 small round single cut diamonds. Accompanied

Category

20th Century Unknown Retro Engagement Rings

Materials

Diamond, White Gold

1920s Platinum Tiffany & Co. Diamond Pocket Watch with Chain
1920s Platinum Tiffany & Co. Diamond Pocket Watch with Chain

1920s Platinum Tiffany & Co. Diamond Pocket Watch with Chain

By Tiffany & Co.

Located in Sewickley, PA

of precision timekeeping and fine design. Cira 1920s 63 single cut diamonds = Approximately 1.00

Category

Vintage 1920s Art Deco Wrist Watches

Materials

Diamond, Platinum

Midcentury 1.11 Carats Old European Cut Diamond Platinum Quatrefoil Ring
Midcentury 1.11 Carats Old European Cut Diamond Platinum Quatrefoil Ring

Midcentury 1.11 Carats Old European Cut Diamond Platinum Quatrefoil Ring

Located in Philadelphia, PA

- set with tri-split prongs in a square form head. With old European and single cut diamonds in

Category

Vintage 1950s Cluster Rings

Materials

Diamond, White Diamond, Platinum

14K Yellow Gold Diamond Enamel Pearl Bangle
14K Yellow Gold Diamond Enamel Pearl Bangle

14K Yellow Gold Diamond Enamel Pearl Bangle

Located in Queens, NY

flower adorned with one prong set single cut diamond, five diamonds weighing a total of approx. 0.10

Category

20th Century Modern Bangles

Materials

Diamond, Pearl, Yellow Gold, Enamel

Art Deco 0.96 Carat Transitional Cut Diamond Platinum Five Stone Engagement Ring
Art Deco 0.96 Carat Transitional Cut Diamond Platinum Five Stone Engagement Ring

Art Deco 0.96 Carat Transitional Cut Diamond Platinum Five Stone Engagement Ring

Located in Philadelphia, PA

clarity. Set with tri-split prongs in a pierced square form basket and flanked by single cut diamonds

Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, White Diamond, Platinum

Art Deco Diamond Engagement Ring, Granat Bros
Art Deco Diamond Engagement Ring, Granat Bros

Art Deco Diamond Engagement Ring, Granat Bros

Located in Denver, CO

embellished with eight single-cut diamonds atop split shoulders and delicate milgraining. Set in platinum.

Category

Mid-20th Century Art Deco Engagement Rings

Materials

Diamond, Platinum

10 Karat White Gold and Diamond Star Pendant #12557
10 Karat White Gold and Diamond Star Pendant #12557

10 Karat White Gold and Diamond Star Pendant #12557

Located in Washington Depot, CT

single cut diamonds set in classic 10K white gold. *Chain not included. Approximate total diamond

Category

20th Century Pendant Necklaces

Materials

White Diamond, Gold, 10k Gold, White Gold

Art Deco Diamond Navette Cluster Ring
Art Deco Diamond Navette Cluster Ring

Art Deco Diamond Navette Cluster Ring

Located in Denver, CO

, F color and VS clarity. The center stone is framed by eighteen single-cut diamonds, arranged in a

Category

Mid-20th Century Art Deco Cluster Rings

Materials

Diamond, Platinum

Art Deco Platinum Diamond and Emerald Devil Pendant
Art Deco Platinum Diamond and Emerald Devil Pendant

Art Deco Platinum Diamond and Emerald Devil Pendant

Located in Venice, CA

This platinum Art Deco pendant features nine single cut diamonds and an assortment of triangluar

Category

Vintage 1920s Art Deco Pendant Necklaces

Materials

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

Mid-Century Diamond Three-Stone Ring
Mid-Century Diamond Three-Stone Ring

Mid-Century Diamond Three-Stone Ring

Located in Denver, CO

elegant mid-century ring. The center stone is flanked by two single-cut diamonds set in geometric

Category

Mid-20th Century Three-Stone Rings

Materials

Diamond, 14k Gold, Yellow Gold

Mid-Century Diamond Three-Stone Ring
Mid-Century Diamond Three-Stone Ring

Mid-Century Diamond Three-Stone Ring

Located in Denver, CO

carats, F color VS clarity, set between two single-cut diamonds. Crafted in 14K white gold. Maker’s mark

Category

Mid-20th Century Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold

14 Karat White Gold and Diamond Filigree Bracelet #19411
14 Karat White Gold and Diamond Filigree Bracelet #19411

14 Karat White Gold and Diamond Filigree Bracelet #19411

Located in Washington Depot, CT

round single cut diamond set in beautifully detailed 14K white gold. Width: 12.5 mm. Approximate total

Category

20th Century Victorian Link Bracelets

Materials

Diamond, 14k Gold, White Gold

Art Deco Diamond Arrow Engagement Ring
Art Deco Diamond Arrow Engagement Ring

Art Deco Diamond Arrow Engagement Ring

Located in Denver, CO

Art Deco ring. The stone is flanked by shoulders set with eight single-cut diamonds (approximately

Category

Mid-20th Century Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco Diamond Ruby Enamel Platinum Vintage Bird On A Swing Charm
Art Deco Diamond Ruby Enamel Platinum Vintage Bird On A Swing Charm

Art Deco Diamond Ruby Enamel Platinum Vintage Bird On A Swing Charm

Located in Philadelphia, PA

Designed as a stylized bird perched on an arching milgrain edged swing Featuring single cut

Category

Vintage 1930s Art Deco Charm Bracelets

Materials

Diamond, Ruby, Platinum, Enamel

Art Deco Diamond Engagement Ring
Art Deco Diamond Engagement Ring

Art Deco Diamond Engagement Ring

Located in Denver, CO

0.50 carats, FG color VS clarity. The center stone is artfully flanked by six single-cut diamonds

Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Platinum

Retro Era Diamond Ring
Retro Era Diamond Ring

Retro Era Diamond Ring

Located in Denver, CO

adorned with trios of single-cut diamonds framed by engraved leaf and scroll motifs. Crafted in 18K white

Category

Mid-20th Century Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Antique Art Deco 1930s Cartier 17.90 Carat Diamond Link Bracelet
Antique Art Deco 1930s Cartier 17.90 Carat Diamond Link Bracelet

Antique Art Deco 1930s Cartier 17.90 Carat Diamond Link Bracelet

By Cartier

Located in New York, NY

carats and Single cut Diamonds weighing approximately a total of 3.90 carats. Signed by Cartier Circa

Category

Vintage 1930s Art Deco Link Bracelets

Materials

Diamond, Platinum

Antique 14k Rose Gold, Sterling Silver Enamel Spider Brooch Diamonds & Emeralds
Antique 14k Rose Gold, Sterling Silver Enamel Spider Brooch Diamonds & Emeralds

Antique 14k Rose Gold, Sterling Silver Enamel Spider Brooch Diamonds & Emeralds

Located in New York, NY

green enamel beneath an ornate sterling silver overlay set with single-cut diamonds, forming an

Category

20th Century Russian Brooches

Materials

Diamond, Emerald, 14k Gold, Rose Gold, Enamel, Sterling Silver

Mid-Century Old European Cut Diamond Platinum Vintage Engagement Ring
Mid-Century Old European Cut Diamond Platinum Vintage Engagement Ring

Mid-Century Old European Cut Diamond Platinum Vintage Engagement Ring

Located in Philadelphia, PA

Set with tri-split prongs in a square form head flanked by channel set single cut diamonds Weighing

Category

Vintage 1950s Engagement Rings

Materials

Diamond, Platinum

2.02ct I VS1 Old European Cut Diamond GIA Platinum Engagement Ring
2.02ct I VS1 Old European Cut Diamond GIA Platinum Engagement Ring

2.02ct I VS1 Old European Cut Diamond GIA Platinum Engagement Ring

Located in Tampa, FL

cut diamonds and approximately .20 carats of single cut diamond side stones. The ring measures 9.70

Category

Vintage 1930s American Art Deco Engagement Rings

Materials

Diamond, Platinum

Aquamarine Diamond Bar Brooch in Gold 585
Aquamarine Diamond Bar Brooch in Gold 585

Aquamarine Diamond Bar Brooch in Gold 585

Located in Lucerne, CH

cut. The 6 single cut diamonds are set in triangular white gold elements with decorative engraving

Category

Vintage 1940s Unknown Brooches

Materials

Aquamarine, Diamond, 14k Gold, Gold

14 Karat White Gold Diamond Band Ring Size 5.5 #18564
14 Karat White Gold Diamond Band Ring Size 5.5 #18564

14 Karat White Gold Diamond Band Ring Size 5.5 #18564

Located in Washington Depot, CT

14K white gold and is decorated with 12 sparkling single cut diamonds! Approximate total diamond

Category

20th Century Band Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Art Deco Platinum Toi Et Moi Ring with 0.90ct Emerald & Diamond
Art Deco Platinum Toi Et Moi Ring with 0.90ct Emerald & Diamond

Art Deco Platinum Toi Et Moi Ring with 0.90ct Emerald & Diamond

Located in Beverly Hills, CA

cut diamond Weight: Approximately 0.90 carat Color: H Clarity: SI Accent stone: 26 single cut diamonds

Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

14 Karat Yellow Gold Black Onyx and Diamond Ring
14 Karat Yellow Gold Black Onyx and Diamond Ring

14 Karat Yellow Gold Black Onyx and Diamond Ring

Located in Washington Depot, CT

black onyx stone (20 mm x 10 mm) and one round single cut diamond set in beautifully detailed 14K yellow

Category

20th Century Fashion Rings

Materials

Diamond, Onyx, 14k Gold, Yellow Gold

.80 Carat Old European Cut Diamond Platinum Art Deco Engagement Ring
.80 Carat Old European Cut Diamond Platinum Art Deco Engagement Ring

.80 Carat Old European Cut Diamond Platinum Art Deco Engagement Ring

Located in Stamford, CT

Art Deco 1920-1929 Diamond Platinum engagement ring. EGL certified Old European cut center stone

Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco 1930s 22.50 Carat Diamond Bracelet
Antique Art Deco 1930s 22.50 Carat Diamond Bracelet

Antique Art Deco 1930s 22.50 Carat Diamond Bracelet

Located in New York, NY

carats as well as smaller Old European and Single cut Diamonds weighing approximately a total of 19.50

Category

Vintage 1930s Art Deco Link Bracelets

Materials

Diamond, Platinum

Victorian 18K Yellow Gold Old European Diamond Snake Ring
Victorian 18K Yellow Gold Old European Diamond Snake Ring

Victorian 18K Yellow Gold Old European Diamond Snake Ring

Located in Cape May, NJ

: Old European/Antique Single Cut Diamonds Total Carat Weight: Approximately 0.35 Carats Color/Clarity

Category

Antique Late 19th Century Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Midcentury 1.01 Carat Diamond Platinum Engagement Ring
Midcentury 1.01 Carat Diamond Platinum Engagement Ring

Midcentury 1.01 Carat Diamond Platinum Engagement Ring

Located in Denver, CO

carats, G-H color SI1 clarity. The center stone is flanked by three graduated single-cut diamonds on each

Category

Mid-20th Century Unknown Engagement Rings

Materials

Diamond, Platinum

14 Karat White Gold and Diamond Eternity Band Ring Size 6
14 Karat White Gold and Diamond Eternity Band Ring Size 6

14 Karat White Gold and Diamond Eternity Band Ring Size 6

Located in Washington Depot, CT

25 round single cut diamonds set in classic 14K white gold. Width: 2 mm. Approximate total diamond

Category

20th Century Band Rings

Materials

Diamond, 14k Gold, White Gold

14 Karat Rose Gold and Diamond "Antiqed" Inspired Ring
14 Karat Rose Gold and Diamond "Antiqed" Inspired Ring

14 Karat Rose Gold and Diamond "Antiqed" Inspired Ring

By Gregory Mikaelian & Sons, Inc.

Located in Los Angeles, CA

color "J", clarity VS1 (US 913888103D). And 28 single cut diamonds weighing .30pts. with black

Category

2010s American Art Deco Engagement Rings

Materials

Diamond, 14k Gold, Rose Gold

Art Deco Diamond Engagement Ring
Art Deco Diamond Engagement Ring

Art Deco Diamond Engagement Ring

Located in Denver, CO

single-cut diamonds, three on each side, and distinctive triangular pierced openwork. Set in 14K white

Category

Mid-20th Century Art Deco Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Antique Art Deco 1930s Granat 0.85 Carat Emerald Ring with Diamonds
Antique Art Deco 1930s Granat 0.85 Carat Emerald Ring with Diamonds

Antique Art Deco 1930s Granat 0.85 Carat Emerald Ring with Diamonds

Located in New York, NY

carat, as well as Old European and Single cut Diamonds weighing approximately a total of 0.80 carat

Category

Vintage 1930s Art Deco Cocktail Rings

Materials

Diamond, Emerald, Platinum

Art Deco 1.60 Carat Emerald Cut Diamond GIA Multi Diamond Platinum Ring
Art Deco 1.60 Carat Emerald Cut Diamond GIA Multi Diamond Platinum Ring

Art Deco 1.60 Carat Emerald Cut Diamond GIA Multi Diamond Platinum Ring

Located in Montreal, QC

Moon, French Cut, and Single Cut Diamonds. Hand crafted Platinum on Gold with intricate milgrain

Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Gold, Platinum

13K-14K Yellow Gold and Diamond Star Pendant #23112
13K-14K Yellow Gold and Diamond Star Pendant #23112

13K-14K Yellow Gold and Diamond Star Pendant #23112

Located in Washington Depot, CT

gold and accented with one round single cut diamond in its center, adding just the right amount of

Category

20th Century Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Circa 1930's 18kt Yellow Gold Diamond Ring
Circa 1930's 18kt Yellow Gold Diamond Ring

Circa 1930's 18kt Yellow Gold Diamond Ring

Located in Wheaton, IL

small sparkling single-cut diamonds set into a star-cut pattern on the face of the modified double snake

Category

Vintage 1930s Art Deco Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Mid-Century Diamond 18 Karat White Gold Double Row Vintage Buckle Band Ring
Mid-Century Diamond 18 Karat White Gold Double Row Vintage Buckle Band Ring

Mid-Century Diamond 18 Karat White Gold Double Row Vintage Buckle Band Ring

Located in Philadelphia, PA

Centering two parallel rows of single cut diamonds channel set to front Weighing approximately 0.20

Category

Vintage 1950s Band Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Old European Cut Diamonds Earrings 14K White Gold Studs 1.72cttw
Old European Cut Diamonds Earrings 14K White Gold Studs 1.72cttw

Old European Cut Diamonds Earrings 14K White Gold Studs 1.72cttw

By Estate Jewelry

Located in East Brunswick, NJ

stone is SI2 clarity and H color. Twelve surrounding single cut diamonds total .36 carat for each

Category

20th Century Stud Earrings

Materials

Diamond, 14k Gold, White Gold

IGI Certified 14k Yellow Gold Pink Tourmaline & Diamond Halo Necklace
IGI Certified 14k Yellow Gold Pink Tourmaline & Diamond Halo Necklace

IGI Certified 14k Yellow Gold Pink Tourmaline & Diamond Halo Necklace

Located in Media, PA

-row halo of sparkling single-cut diamonds. Suspended from a classic yellow gold box chain, it’s a

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Tourmaline, 14k Gold, Yellow Gold

10K White Gold Diamond Eternity Band Ring Size 6.5 #24587
10K White Gold Diamond Eternity Band Ring Size 6.5 #24587

10K White Gold Diamond Eternity Band Ring Size 6.5 #24587

Located in Washington Depot, CT

single cut diamonds set in classic 10K white gold. A meaningful piece symbolizing lasting love and

Category

20th Century Contemporary Band Rings

Materials

Diamond, 10k Gold, White Gold

Mid-Century Old European Cut Diamond Platinum Vintage Engagement Ring
Mid-Century Old European Cut Diamond Platinum Vintage Engagement Ring

Mid-Century Old European Cut Diamond Platinum Vintage Engagement Ring

Located in Philadelphia, PA

- bead set in a square form head with pierced basket Flanked by rows of bead set single cut diamonds

Category

Vintage 1950s Engagement Rings

Materials

Diamond, Platinum

14K White Gold Diamond Band Ring Size 6.25 #14763
14K White Gold Diamond Band Ring Size 6.25 #14763

14K White Gold Diamond Band Ring Size 6.25 #14763

Located in Washington Depot, CT

This gorgeous band is crafted from 14K white gold and features 22 sparkling, single cut diamonds

Category

20th Century Band Rings

Materials

White Diamond, Gold, 14k Gold, White Gold

Mid-Century Two-Tone Diamond Engagement Ring
Mid-Century Two-Tone Diamond Engagement Ring

Mid-Century Two-Tone Diamond Engagement Ring

Located in Denver, CO

brilliantly at the center of this vintage mid-century ring accented with four single cut diamonds, two on each

Category

Mid-20th Century Retro Engagement Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

14 Karat Yellow Gold Amethystand Diamond Cocktail Ring
14 Karat Yellow Gold Amethystand Diamond Cocktail Ring

14 Karat Yellow Gold Amethystand Diamond Cocktail Ring

By Gregory Mikaelian & Sons, Inc.

Located in Los Angeles, CA

. and 24 round single cut diamonds of very fine quality weighing .70pts. This ring is a size 7.75 but

Category

Late 20th Century American Artisan Cocktail Rings

Materials

Diamond, Amethyst, 14k Gold, Yellow Gold

Art Deco Style Up-Cycled Banded Agate Diamond Platinum Earrings
Art Deco Style Up-Cycled Banded Agate Diamond Platinum Earrings

Art Deco Style Up-Cycled Banded Agate Diamond Platinum Earrings

By H & H Jewels

Located in Miami, FL

Diamond Platinum Earrings are a marriage of Art Deco elements and modern cut gemstones. Innovative and

Category

2010s American Art Deco Drop Earrings

Materials

Agate, White Diamond, Diamond, Platinum

Art Deco Diamond Three-Stone Ring
Art Deco Diamond Three-Stone Ring

Art Deco Diamond Three-Stone Ring

Located in Denver, CO

This Art Deco ring features an Old European-cut diamond weighing approximately 0.25 carats, F color

Category

Mid-20th Century Art Deco Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold

Hancocks Turquoise, Diamond & 18ct Yellow Gold Woven Bead Necklace
Hancocks Turquoise, Diamond & 18ct Yellow Gold Woven Bead Necklace

Hancocks Turquoise, Diamond & 18ct Yellow Gold Woven Bead Necklace

By Hancocks

Located in London, GB

cut diamonds, and secures to the back with a concealed tongue and box clasp. Period: Contemporary

Category

2010s British Beaded Necklaces

Materials

Turquoise, 18k Gold

10 Karat Yellow Gold and Diamond Lion Head Stick Pin #18363
10 Karat Yellow Gold and Diamond Lion Head Stick Pin #18363

10 Karat Yellow Gold and Diamond Lion Head Stick Pin #18363

Located in Washington Depot, CT

single cut diamond set in beautifully detailed 10K yellow gold. (Clutch not gold) Approximate total

Category

20th Century Brooches

Materials

Diamond, 10k Gold, Yellow Gold

Antique Deco Diamond Eternity Ring Vintage Platinum Estate Fine Jewelry
Antique Deco Diamond Eternity Ring Vintage Platinum Estate Fine Jewelry

Antique Deco Diamond Eternity Ring Vintage Platinum Estate Fine Jewelry

Located in Torrance, CA

single cut diamonds are estimated at 0.02 carats each and total an estimated 0.68 carats (estimated at H

Category

Early 20th Century Unknown Art Deco Band Rings

Materials

Diamond, Platinum

Art Deco Two-Tone Diamond Ring
Art Deco Two-Tone Diamond Ring

Art Deco Two-Tone Diamond Ring

Located in Denver, CO

color VS clarity, surrounded by ten single-cut diamonds set in 18K white gold geometric frames, accented

Category

Mid-20th Century Art Deco Engagement Rings

Materials

Diamond, 14k Gold, 18k Gold, White Gold, Yellow Gold

Art Deco 0.85 CTW Diamond Platinum Vintage Bombe Engagement Ring
Art Deco 0.85 CTW Diamond Platinum Vintage Bombe Engagement Ring

Art Deco 0.85 CTW Diamond Platinum Vintage Bombe Engagement Ring

Located in Philadelphia, PA

Centering a transitional cut diamond weighing approximately 0.65 carat - H color with VS2 clarity

Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Platinum

14K 585 White Gold Natural Diamond and Yellow Sapphire Pretty Teardrop Earrings
14K 585 White Gold Natural Diamond and Yellow Sapphire Pretty Teardrop Earrings

14K 585 White Gold Natural Diamond and Yellow Sapphire Pretty Teardrop Earrings

Located in New York, NY

Carat Weight: 1.1 Carat (112 Pcs) Diamond Stone Cut: Single Cut Diamond Clarity Grade: SI Diamond Color

Category

21st Century and Contemporary Contemporary Drop Earrings

Materials

Diamond, Yellow Sapphire, 14k Gold, White Gold

10 Karat Yellow and White Gold Diamond Hoop X Earrings #17039
10 Karat Yellow and White Gold Diamond Hoop X Earrings #17039

10 Karat Yellow and White Gold Diamond Hoop X Earrings #17039

Located in Washington Depot, CT

round single cut diamonds set in beautifully detailed 10K yellow and white gold. Width: 7 mm

Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, 10k Gold, White Gold, Yellow Gold

Art Deco 0.76 Carat Diamond and Filigree Dome Ring
Art Deco 0.76 Carat Diamond and Filigree Dome Ring

Art Deco 0.76 Carat Diamond and Filigree Dome Ring

Located in Denver, CO

atop an exquisitely pierced mounting, shimmering with eleven single cut diamonds totaling approximately

Category

Mid-20th Century Art Deco Engagement Rings

Materials

Diamond, Platinum

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Single Cut Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate single cut diamond for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and Yellow Gold. Find an antique version now, or shop for 745 vintage or 1168 modern creation for a more contemporary example of these cherished accessories. Finding the perfect single cut diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. For this particular piece, .5 Carat and 1 Carat are consistently popular carat weights. Finding an appealing single cut diamond — no matter the origin — is easy, but Single Stone, Meghna Jewels and NYF Jewellery each produced a popular version that is worth a look. A single cut version of this piece has appeal, but there are also old european cut and emerald cut versions for sale. There aren’t many items for men if you’re seeking a single cut diamond, as most of the options available are for women and unisex.

How Much is a Single Cut Diamond?

Prices for a single cut diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $152 and can go as high as $236,500, while this accessory, on average, fetches $5,280.

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.