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Harry Winston Logo Platinum Round Diamond .51 ct FVVS2 Engagement Ring
Harry Winston Logo Platinum Round Diamond .51 ct FVVS2 Engagement Ring

Harry Winston Logo Platinum Round Diamond .51 ct FVVS2 Engagement Ring

By Tiffany & Co.

Located in New York, NY

Harry Winston engagement ring from the "Logo" collection finely crafted in platinum featuring the initials HW of the Harry Winston house on either side of the ring. These two initial...

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

Jewels by Jacob White Gold Diamond and Blue Topaz Ring
Jewels by Jacob White Gold Diamond and Blue Topaz Ring

Jewels by Jacob White Gold Diamond and Blue Topaz Ring

By Jewels by Jacob

Located in Dallas, TX

CTW Center stone with .51 CT (64) Diamonds. Prong Set Stone with beautiful detail on the ring. Ring is

Category

Early 2000s Hong Kong Modern Fashion Rings

Materials

Diamond, Topaz, 14k Gold

14 Karat Pearl and Diamond Pendant Necklace
14 Karat Pearl and Diamond Pendant Necklace

14 Karat Pearl and Diamond Pendant Necklace

Located in Washington Depot, CT

. Suspended from a 14K white gold necklace. Circa 1920's. Approximate total diamond weight: .51 ct. Diamond

Category

20th Century More Necklaces

Materials

White Gold

Vintage 14 Yellow Gold Diamond Stud Earrings
Vintage 14 Yellow Gold Diamond Stud Earrings

Vintage 14 Yellow Gold Diamond Stud Earrings

Located in Washington Depot, CT

diamond weight: .51 ct. Diamond color: H Diamond clarity: I2 Size: 4 mm Weight: 0.5 dwt. / 0.8 gr

Category

20th Century Stud Earrings

Materials

Diamond, Yellow Gold

18 Karat White Gold Sapphire and Diamond Ring Size 7.5 #14882
18 Karat White Gold Sapphire and Diamond Ring Size 7.5 #14882

18 Karat White Gold Sapphire and Diamond Ring Size 7.5 #14882

Located in Washington Depot, CT

white gold. Width: 13 mm. Shank: 3 mm. Total sapphire weight: .72 ct. Total diamond weight: .51 ct

Category

20th Century Engagement Rings

Materials

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

14 Karat White Gold Diamond Wedding Band
14 Karat White Gold Diamond Wedding Band

14 Karat White Gold Diamond Wedding Band

Located in Washington Depot, CT

white gold. Shank measures 2 mm. Approximate total diamond weight: .51 ct. Diamond color: H-I Diamond

Category

20th Century Wedding Rings

Materials

Diamond, White Gold

GIA Certified 51.00 Carat Natural Fancy Intense Yellow Diamond
GIA Certified 51.00 Carat Natural Fancy Intense Yellow Diamond

GIA Certified 51.00 Carat Natural Fancy Intense Yellow Diamond

Located in New Delhi, Delhi

Turning dreams into really. These magnificent 51 ct yellow diamond, is the epitome of luxury and

Category

21st Century and Contemporary Loose Gemstones

Materials

Yellow Diamond

18 Karat Yellow Gold Ruby and Diamond Ring #13905
18 Karat Yellow Gold Ruby and Diamond Ring #13905

18 Karat Yellow Gold Ruby and Diamond Ring #13905

Located in Washington Depot, CT

. Width: 13 mm. Shank: 4 mm. Total ruby weight: 1.56 ct. Total diamond weight: .51 ct. Diamond color: G

Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Yellow Gold

18 Karat Yellow Gold Three Diamond Pendant Necklace #19755
18 Karat Yellow Gold Three Diamond Pendant Necklace #19755

18 Karat Yellow Gold Three Diamond Pendant Necklace #19755

Located in Washington Depot, CT

. Approximate total diamond weight: .41 - .51 ct. Diamond color: G - H Diamond clarity: Si1-VS2 *Stone

Category

20th Century Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

14 Karat White Gold Tanzanite and Diamond Ring #13912
14 Karat White Gold Tanzanite and Diamond Ring #13912

14 Karat White Gold Tanzanite and Diamond Ring #13912

Located in Washington Depot, CT

detailed 14K white gold. Width: 15 mm. Shank: 3 mm. Tanzanite weight: 1.42 ct. Total diamond weight: .51

Category

20th Century Cocktail Rings

Materials

Diamond, Tanzanite, White Gold

Rare Russian Demantoid Diamond Three-Stone Ring
Rare Russian Demantoid Diamond Three-Stone Ring

Rare Russian Demantoid Diamond Three-Stone Ring

Located in Chicago, IL

by two o.51 ct bright white diamonds (G color, VS1-2 clarity). The diamonds are set is white gold

Category

Mid-20th Century Russian Three-Stone Rings

Materials

Diamond, Garnet

Platinum and Diamond Vintage Style Ring Size 6.5 #21195
Platinum and Diamond Vintage Style Ring Size 6.5 #21195

Platinum and Diamond Vintage Style Ring Size 6.5 #21195

Located in Washington Depot, CT

aesthetic. Width: 11 mm. Shank: 1.6 mm. Approximate total diamond weight: .51 ct. Diamond color: G-H

Category

20th Century Contemporary Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. Double Soleste Platinum Diamond Engagement Ring 0.86 Carats Total
Tiffany & Co. Double Soleste Platinum Diamond Engagement Ring 0.86 Carats Total

Tiffany & Co. Double Soleste Platinum Diamond Engagement Ring 0.86 Carats Total

By Tiffany & Co.

Located in New York, NY

Tiffany & Co. Soleste engagement ring with a .51 ct cushion center , F Color, VS1 clarity finely

Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

Antique Art Deco Platinum Old Euro Faint Pink Diamond Three Stone Ring - GIA
Antique Art Deco Platinum Old Euro Faint Pink Diamond Three Stone Ring - GIA

Antique Art Deco Platinum Old Euro Faint Pink Diamond Three Stone Ring - GIA

Located in Great Neck, NY

: Platinum Weight: 2.7 Grams  Size: 5 1/2 Center Diamond: .51 ct - GIA # 2225305945 Color: Faint Pink

Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Pink Diamond, Brown Diamond, Platinum

AIG Certified Ct 51 of Colombia Emerald on Ring
AIG Certified Ct 51 of Colombia Emerald on Ring

AIG Certified Ct 51 of Colombia Emerald on Ring

Located in New Delhi, Delhi

So unforgettable heart cut Colombia emerald 51,00 carats on 18k gold ring with round cut brilliant diamonds 💎. Exceptional quality and clarity. Come with important AIG gemological r...

Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

Emerald, 18k Gold

Vintage Art Deco 18 Karat Gold Diamond Engraved Engagement Ring, circa 1920s
Vintage Art Deco 18 Karat Gold Diamond Engraved Engagement Ring, circa 1920s

Vintage Art Deco 18 Karat Gold Diamond Engraved Engagement Ring, circa 1920s

Located in Addison, TX

Ring: 5.3 mm Center Diamond Details: Shape: Old European Cut Carat Weight: .51 CT Color: White

Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, White Gold, 18k Gold

Necklace with over 1 ct Emeralds, 750 White Gold
Necklace with over 1 ct Emeralds, 750 White Gold

Necklace with over 1 ct Emeralds, 750 White Gold

Located in Bad Kissingen, DE

total of approx. 1.4 ct - Total length: 51 cm - Weight: approx. 4.65 g - Fine, filigree piece of

Category

Early 2000s Italian Art Deco Chain Necklaces

Materials

Emerald, 18k Gold

18 Karat Yellow Gold Diamond Modern Pear Spikey Baguette Earring Ring Set
18 Karat Yellow Gold Diamond Modern Pear Spikey Baguette Earring Ring Set

18 Karat Yellow Gold Diamond Modern Pear Spikey Baguette Earring Ring Set

Located in Los Angeles, CA

Diamonds = 2.98 ct 72 Baguette Diamonds = 0.87 ct Length: 0.75 inches / Width: 0.60 inches Ring: 51

Category

2010s American Stud Earrings

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

18 Karat White Gold Diamond Delicate Baguette Square Bangle Bracelet
18 Karat White Gold Diamond Delicate Baguette Square Bangle Bracelet

18 Karat White Gold Diamond Delicate Baguette Square Bangle Bracelet

Located in Los Angeles, CA

, and delicate styles. 4 Round Diamonds = 0.03 ct 51 Baguette Diamonds = 1.61 ct 18KW = 11.48 g

Category

2010s American Bangles

Materials

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

18 Karat Yellow Gold Diamond Delicate Square Baguette Bangle Bracelet
18 Karat Yellow Gold Diamond Delicate Square Baguette Bangle Bracelet

18 Karat Yellow Gold Diamond Delicate Square Baguette Bangle Bracelet

Located in Los Angeles, CA

, modern, and delicate styles. 4 Round Diamonds = 0.03 ct 51 Baguette Diamonds = 1.60 ct 18KW = 12.06 g

Category

2010s American Bangles

Materials

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

Gold, Platinum, Colored Diamond and Gem-Set Stick-Pin Brooch
Gold, Platinum, Colored Diamond and Gem-Set Stick-Pin Brooch

Gold, Platinum, Colored Diamond and Gem-Set Stick-Pin Brooch

Located in New York, NY

One marquise-cut yellow diamond ap. .40 ct., 51 old European, single & rose-cut diamonds ap. 1.15

Category

Vintage 1980s British Retro Brooches

Materials

Yellow Diamond, Pearl, Sapphire, Diamond, Gold, Platinum

Cartier Yellow White and Rose Gold 18 Karat Tri-Color Diamond Triple Stack Ring
Cartier Yellow White and Rose Gold 18 Karat Tri-Color Diamond Triple Stack Ring

Cartier Yellow White and Rose Gold 18 Karat Tri-Color Diamond Triple Stack Ring

By Cartier

Located in MIAMI, FL

. Material: Solid 18k yellow, rose and white gold. Hallmark: Cartier 1993 750 51 C79--- Ring Size: 51

Category

1990s French Modern Cocktail Rings

Materials

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

Double Clip Brooch with Old Cut Diamonds in Platinum 950
Double Clip Brooch with Old Cut Diamonds in Platinum 950

Double Clip Brooch with Old Cut Diamonds in Platinum 950

Located in Lucerne, CH

, tot. 7.42 ct. 82 diamonds, G-H colour, si clarity, old cut, tot. 4.10 ct. 51 diamonds, G-H

Category

Early 20th Century European Art Deco Brooches

Materials

Diamond, Platinum

Rosior Carved Jade Long Dangle Earrings set in Yellow Gold
Rosior Carved Jade Long Dangle Earrings set in Yellow Gold

Rosior Carved Jade Long Dangle Earrings set in Yellow Gold

By Rosior

Located in Porto, PT

weighing 0,29 ct; - 51 Tsavorite garnets weighing 0,31 ct; - 33 purple Sapphires weighing 0,31 ct. Weight

Category

21st Century and Contemporary Portuguese Contemporary Dangle Earrings

Materials

Diamond, White Diamond, Yellow Diamond, Jade, Gold, Yellow Gold

Rosior one-off Diamond, Sapphire and Ruby Yellow Gold Flower Earrings
Rosior one-off Diamond, Sapphire and Ruby Yellow Gold Flower Earrings

Rosior one-off Diamond, Sapphire and Ruby Yellow Gold Flower Earrings

By Rosior

Located in Porto, PT

2,03 ct; - 90 Orange Sapphires with 1,08 ct; - 62 White Diamonds with 0,46 ct; - 51 Green Diamonds with

Category

21st Century and Contemporary Portuguese Contemporary Drop Earrings

Materials

Diamond, White Diamond, Ruby, Sapphire, Yellow Sapphire, Gold, Yellow Go...

Rosior Fire Opal Long Drop Earrings set in Yellow Gold
Rosior Fire Opal Long Drop Earrings set in Yellow Gold

Rosior Fire Opal Long Drop Earrings set in Yellow Gold

By Rosior

Located in Porto, PT

(0.78 ct) 68 yellow sapphires (0.52 ct) 57 amethysts (0.29 ct) 53 blue diamonds (0.34 ct) 51 blue

Category

21st Century and Contemporary Portuguese Contemporary Drop Earrings

Materials

Amethyst, Diamond, White Diamond, Blue Diamond, Emerald, Opal, Sapphire,...

Pomellato Duna Ring with Diamonds in 18 Karat Yellow Gold
Pomellato Duna Ring with Diamonds in 18 Karat Yellow Gold

Pomellato Duna Ring with Diamonds in 18 Karat Yellow Gold

By Pomellato

Located in Lucerne, CH

diamonds, brilliant cut, tot. ca. 1.20 ct Size: 51 EU / 5.75 US Weight: 39.90 gr.

Category

21st Century and Contemporary Italian Modern Cocktail Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Tutti-Frutti Bracelet Rubies Sapphires Emeralds Diamonds 18k Certified, 1996
Tutti-Frutti Bracelet Rubies Sapphires Emeralds Diamonds 18k Certified, 1996

Tutti-Frutti Bracelet Rubies Sapphires Emeralds Diamonds 18k Certified, 1996

Located in Herzelia, Tel Aviv

professionalism. The Gemological Appraisal Report states Diamonds count 124 with a total weight of 2.42 Ct. and 51

Category

20th Century Art Deco Modern Bracelets

Materials

Diamond, Emerald, Ruby, Sapphire, Gold, 18k Gold, White Gold

Mismatch Green Garnet, Imperial Garnet, Diamond Earrings in 18 Karat Gold
Mismatch Green Garnet, Imperial Garnet, Diamond Earrings in 18 Karat Gold

Mismatch Green Garnet, Imperial Garnet, Diamond Earrings in 18 Karat Gold

By Bella Campbell/Campbellian Collection

Located in Morristown, NJ

's Tsavorite 5.45 CT's Mint Green Tourmaline .89 CT's Neon Tourmaline .63 CT's 167 Diamonds .51 CT's

Category

2010s American Contemporary Dangle Earrings

Materials

Diamond, Garnet, Tourmaline, Tsavorite, 18k Gold

14 Karat Yellow Gold Gemstone Wide Band Ring Size 7 #20703
14 Karat Yellow Gold Gemstone Wide Band Ring Size 7 #20703

14 Karat Yellow Gold Gemstone Wide Band Ring Size 7 #20703

Located in Washington Depot, CT

approximate weight: .51 ct. Pear shaped amethyst approximate weight: .30 ct. Square iolite approximate

Category

20th Century Contemporary Band Rings

Materials

Amethyst, Citrine, Iolite, Peridot, Blue Topaz, 14k Gold, Yellow Gold

Antique Art Deco Platinum Oval Sapphire Diamond Engagement Ring
Antique Art Deco Platinum Oval Sapphire Diamond Engagement Ring

Antique Art Deco Platinum Oval Sapphire Diamond Engagement Ring

Located in Great Neck, NY

: .51 ct Measurements: Top measures 6.42 mm wide and band measures 1.68 mm wide. Measurement from

Category

Antique Early 19th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Beauvince Classic Diamond Tennis Bracelet 4.40 Ct GH VVS-VS Diamonds in Gold
Beauvince Classic Diamond Tennis Bracelet 4.40 Ct GH VVS-VS Diamonds in Gold

Beauvince Classic Diamond Tennis Bracelet 4.40 Ct GH VVS-VS Diamonds in Gold

By Beauvince Jewelry

Located in New York, NY

Weight: 4.40 ct No. of Diamonds: 51 Average Diamond Weight: 0.09 ct Diamond Color: G - H Diamond

Category

2010s Tennis Bracelets

Materials

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

18 Karat White Gold Diamond Medium Butterfly Baguette Necklace
18 Karat White Gold Diamond Medium Butterfly Baguette Necklace

18 Karat White Gold Diamond Medium Butterfly Baguette Necklace

Located in Los Angeles, CA

" Inches 5 Round Diamonds = 0.09 ct 51 Baguette Diamonds = 1.05 ct

Category

2010s American Choker Necklaces

Materials

Diamond, White Diamond, 18k Gold, White Gold

AGL Certified 0.173 Carat Fancy Blue VS Clarity Diamond Ring
AGL Certified 0.173 Carat Fancy Blue VS Clarity Diamond Ring

AGL Certified 0.173 Carat Fancy Blue VS Clarity Diamond Ring

Located in บางรัก, TH

Surrounding Stones: Diamonds 1) White Diamonds Carat weight: 0.367 ct ( 51 pcs) Color: F Clarity: VS1

Category

2010s Asian Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Hermes Diamond Pink Opal Tourmaline 18k White Gold Ring Size 5.5
Hermes Diamond Pink Opal Tourmaline 18k White Gold Ring Size 5.5

Hermes Diamond Pink Opal Tourmaline 18k White Gold Ring Size 5.5

By Hermès

Located in Simpsonville, SC

Dimensions: 0.94" W Weight: 5 g Hallmarks: Hermes, made in France, Au750, 51, reference numbers, 52D 0.57 CT

Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Opal, Tourmaline, Gold, 18k Gold, White Gold

Tiffany & Co. Platinum and Diamond Princess Cut Ring .51 Carat H VVS2
Tiffany & Co. Platinum and Diamond Princess Cut Ring .51 Carat H VVS2

Tiffany & Co. Platinum and Diamond Princess Cut Ring .51 Carat H VVS2

By Tiffany & Co.

Located in Middletown, DE

serial number. In addition the ring is marked with the serial number and diamond size .51 ct. inscribed

Category

2010s American Engagement Rings

Materials

Diamond, White Diamond, Platinum

Alexandra Mor Two-Stone Princess-Cut and Oval-Cut Diamond Ring
Alexandra Mor Two-Stone Princess-Cut and Oval-Cut Diamond Ring

Alexandra Mor Two-Stone Princess-Cut and Oval-Cut Diamond Ring

By Alexandra Mor

Located in New York, NY

Design. An Alexandra Mor two-stone Diamond ring featuring a .51 ct. F VVS1 GIA Princess-cut Diamond and

Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

Classic Princess & Round Diamond 1.84 ct 18k White Gold Engagement Ring Size 51
Classic Princess & Round Diamond 1.84 ct 18k White Gold Engagement Ring Size 51

Classic Princess & Round Diamond 1.84 ct 18k White Gold Engagement Ring Size 51

Located in Dubai, Al Qouz 2

Crafted with precision this engagement ring dazzles featuring a harmonious assembly of a solitaire and diamonds set in lustrous 18k white gold. Its timeless design combines luxury wi...

Category

2010s Engagement Rings

Buccellati Cabochon Emerald Diamond Ring
Buccellati Cabochon Emerald Diamond Ring

Buccellati Cabochon Emerald Diamond Ring

By Buccellati

Located in New Orleans, LA

diamonds for 0.60 ct size 51 or 5 3\4

Category

Late 20th Century Italian Band Rings

Materials

Diamond, Emerald, 18k Gold

18 kt Retro woven cuff with diamonds
18 kt Retro woven cuff with diamonds

18 kt Retro woven cuff with diamonds

Located in New York, NY

Beautifully crafted 18 kt gold hexagonal weave bracelet (51 dwt) with 3 ct bezel set diamonds

Victorian Diamond, Ruby and Gold Articulated Bird Brooch Pin
Victorian Diamond, Ruby and Gold Articulated Bird Brooch Pin

Victorian Diamond, Ruby and Gold Articulated Bird Brooch Pin

Located in Agoura Hills, CA

: approx. 0.70 ct. Measurements: W 51 x H 38 x D 23 mm Weight: 10.9 grams

Category

Antique Late 19th Century Unknown Victorian Brooches

Materials

Diamond, Ruby, 18k Gold

Vellum & Parchment Bindings
Vellum & Parchment Bindings

Vellum & Parchment Bindings

Located in Los Angeles, CA

book selection: http://www.voilagallery.com/displayart.asp?Ct=51

Category

Antique 18th Century and Earlier French Decorative Objects

Gorgeous Vintage Grasshopper Diamond Plique a Jour Pendant Brooch 18 Karat Gold
Gorgeous Vintage Grasshopper Diamond Plique a Jour Pendant Brooch 18 Karat Gold

Gorgeous Vintage Grasshopper Diamond Plique a Jour Pendant Brooch 18 Karat Gold

Located in Napoli, IT

totalling approx .06 Ct Measures: 51 mm. x 26 mm. (h. x w.) without bail Weight: 14 .1 grams Condition: very

Category

Vintage 1950s Italian Contemporary Pendant Necklaces

Materials

Diamond, Gold, 18k Gold

Lagos Black Caviar Sterling Silver 0.26 Carat Round Diamond Beaded Bracelets
Lagos Black Caviar Sterling Silver 0.26 Carat Round Diamond Beaded Bracelets

Lagos Black Caviar Sterling Silver 0.26 Carat Round Diamond Beaded Bracelets

By Lagos

Located in Columbia, MO

Stone Type Diamond Stone Shape Round Stone Color G/H Clarity SI1-SI2 Count 51 Stone Weight 0.26 ct In

Category

21st Century and Contemporary Beaded Bracelets

Materials

Diamond, Silver, Sterling Silver

David Yurman Albion Sterling Silver 0.51 Carat Round Diamond Pendant
David Yurman Albion Sterling Silver 0.51 Carat Round Diamond Pendant

David Yurman Albion Sterling Silver 0.51 Carat Round Diamond Pendant

By David Yurman

Located in Columbia, MO

Round Stone Color H Clarity SI1 Count 51 Stone Weight 0.51 ct The history of David Yurman begins in the

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold, Sterling Silver, Mixed Metal

Naomi Sarna Carved Aquamarine Pendant
Naomi Sarna Carved Aquamarine Pendant

Naomi Sarna Carved Aquamarine Pendant

By Naomi Sarna

Located in New York, NY

Beautiful hand-carved Afghani aquamarine (51 ct) with natural etched tubes. Internationally

Category

21st Century and Contemporary Necklace Enhancers

Materials

Aquamarine

Tiffany & Co. Emerald Diamond Platinum Ring
Tiffany & Co. Emerald Diamond Platinum Ring

Tiffany & Co. Emerald Diamond Platinum Ring

By Tiffany & Co.

Located in New York, NY

, approximately 1 ct., and 12 round brilliant cut diamonds, .51 ct. Exceptionally fiery color. A beautiful

Category

Vintage 1930s American More Rings

Materials

Diamond, Emerald, Platinum

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51 Ct For Sale on 1stDibs

Find the exact 51 ct you’re shopping for in the variety available on 1stDibs. Frequently made of gold, 18k gold and white gold, this item was constructed with great care. Our collection of these items for sale includes 182 vintage editions and 196 modern creations to choose from as well. Finding the perfect 51 ct 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. There have been many well-made iterations of the classic 51 ct over the years, but those made by Cartier, Garavelli and Tiffany & Co. are often thought to be among the most beautiful. While most can agree that any 51 ct from our collection can easily elevate most outfits, but the choice of a diamond version from the 293 available is guaranteed to add a special touch to your ensemble. See these pages for a round cut iteration of this accessory, while there are also brilliant cut cut and oval cut cut versions available here, too. When shopping for a 51 ct, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 51 Ct?

On average, a 51 ct at 1stDibs sells for $4,001, while they’re typically $1 on the low end and $485,000 for the highest priced versions of this item.

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.