What is a 9 carat diamond worth?

A 9-carat diamond’s worth varies depending on the 4Cs of diamond quality — color, cut, clarity and carat. On average, a 9-carat diamond could cost you between $19,000 to $1,000,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 9-carat diamond jewelry from different periods and styles to choose from.

What is a 24-carat diamond?

A 24-carat diamond is a precious diamond gemstone that weighs 24 carats. One carat weighs 200 milligrams, meaning a 24-carat diamond weighs roughly 4.8 grams. That equates to roughly 0.17 ounces. On 1stDibs, shop a variety of diamond jewelry.

Is there a three-carat diamond?

Yes, there are three-carat diamonds, and you can find them from a number of different jewelers and other retailers. Find an assortment of diamond jewelry from the world’s top sellers on 1stDibs.

What is a 7 carat diamond worth?

A 7-carat diamond can cost anywhere between $12,000 and $185,000 depending on the quality of the stone. The fewer imperfections, the more expensive the diamond. Some 7-carat diamonds can cost more than $400,000.

What is a 3 carat diamond worth?

A 3-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 3-carat diamond could cost you between $7,200 to $51,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 3-carat diamond jewelry today.

What is 1 carat diamond worth?

Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.

How large is a 3-carat diamond?

In terms of dimensions, how large a 3-carat diamond is varies. The shape of the diamond will determine its length and width. Weighing 600 milligrams, diamonds that are 3 carats are generally considered to be large stones. On 1stDibs, shop a large collection of diamond jewelry from some of the world's top dealers.

How big is a 12 carat diamond?

The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.

How many carats should a diamond necklace be?

There is no hard-and-fast rule for how many carats a diamond necklace should be. On average, solitaire diamond necklaces range from 0.5 to 1 carat, but you can find pieces with larger and smaller stones. Tennis chains that feature continuous diamonds set into links usually have much higher total carat weights. For example, one might feature 60 individual diamonds, each 0.20 carats in size, for a total carat weight of 12.0 carats. Shop a wide range of diamond necklaces on 1stDibs.

How rare is a nine-carat diamond?

A nine-carat diamond is considered rare and holds a premium price. Because of their rarity and size, nine-carat diamonds are a coveted choice for engagement rings. One of the most famous nine-carat diamond rings belongs to actress Kate Hudson, who has a nine-carat emerald cut diamond complemented with tapered baguettes on a platinum band. Shop a selection of diamond jewelry on 1stDibs.

What is an 8 carat diamond worth?

An 8-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On an average an 8-carat diamond could cost you between $17,500 to $90,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 8-carat diamond jewelry from different periods and styles to choose from.

What is a 4 carat diamond worth?

A 4-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 4-carat diamond could cost you between $8,400 to $71,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 4-carat diamond jewelry.

What is a 6 carat diamond worth?

A 6-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 6-carat diamond could cost you between $15,000 to $80,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 6-carat diamond jewelry.

What is a 5 carat diamond worth?

A 5-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 5-carat diamond could cost you between $9,600 to $67,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 5-carat diamond jewelry.

What is the value of a 25 carat diamond?

The minimum value of a 25-carat diamond ranges from $300 to $1,400. The prices change subject to the fluctuation of market factors. The value is defined based on the 4Cs — color, clarity, cut and carat weight. Shop antique, vintage and new diamond jewelry on 1stDibs.

Is a 1.5-carat diamond too big?

Whether a 1.5-carat diamond is too big depends on the type of jewelry in question and your personal preferences. A single stud earring that is 1.5 carats is rather large and would cover the entire earlobe. In terms of rings, a 1.5-carat diamond is larger than average. Find a variety of diamond jewelry on 1stDibs.

Is a two-carat diamond rare?

Yes, a two-carat diamond is generally rarer than a smaller diamond, especially high-quality two-carat diamonds. When larger diamonds are found in nature, they usually have flaws. And prices per carat don’t increase as weight increases. A three-carat gem can be less valuable than a one-carat stone, for example, if all of the other attributes are of lesser quality in the larger diamond. Shop an assortment of diamond jewelry from some of the world’s top jewelers on 1stDibs.

Are 2 carat diamond studs too big?

Whether two-carat diamond studs are too big is a matter of personal preference. At this size, each earring will be one carat. If you opt for the classic round brilliant cut, the studs will typically measure around 6.5 millimeters in diameter, which is a little more than half the size of a dime. Find a wide range of diamond stud earrings on 1stDibs.

Are 1.3-carat diamond earrings too small?

Whether 1.3-carat diamond earrings are too small is a matter of personal opinion. A pair of earrings with a total carat weight of 1.3 is considered to be medium-sized. The smallest diamond earrings are around 0.25 carats, while the largest are 1.5 carats or more. Explore a wide range of diamond earrings on 1stDibs.

Are half-carat diamond studs too small?

Whether half-carat diamond studs are too small is a matter of personal opinion. A pair of diamond studs with a total carat weight of 0.5 usually consists of two 0.25-carat earrings. Many jewelry makers offer studs as small as 0.13 carats, so many people consider half-carat diamond studs to be medium-sized. On 1stDibs, shop a collection of antique and vintage diamond stud earrings.

9 Carat Diamond

Diamond Square Amethyst Ring

Initial A

Ring Size N

10mm South Sea Pearls

Emerald And Diamond Bangle

Rose Gold And Diamond Ring

Pearls 9mm

Antique Gold Bangles

$1,890

$55,775

9 Carat Emerald Cut Diamond Eternity Band

By Diamond Scene New York

Located in New York, NY

An impressive and wearable diamond band. 9.01 carats of white Emerald cut diamonds set in a custom platinum mounting. 6 mm wide Size 6.5, the size can be adjusted slightly.

Category

21st Century and Contemporary Band Rings

Materials

Diamond

9 carat Vivid Green Emerald and Diamond Ring

$48,000

9 carat Vivid Green Emerald and Diamond Ring

By Diamond Scene New York

Located in New York, NY

A FABULOUS ring! 9.53 carat Vivid Green Oval shaped emerald. 2.13 carats of round brilliant cut diamonds. Set in 18k white gold Currently a size 6.5, this ring can be sized ...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Emerald, 18k Gold

$6,880

Antique Two Tone Gold/Slv Bangle Bracelet with 12.6ct Round & Rose Cut Diamonds

Located in New York, NY

Video: Video Link Detailed Description: Elevate your elegance with this antique two-tone gold and silver bangle, a stunning piece adorned with 900 round brilliant diamonds totaling 9...

Category

20th Century Bangles

Materials

Diamond, Gold, Silver

GUBELIN Certified 9 Carat Blue Sapphire Diamond Ring

$160,000Sale Price|20% Off

GUBELIN Certified 9 Carat Blue Sapphire Diamond Ring

By Antinori Fine Jewels

Located in Chicago, IL

Exceptional Certified 9 Carat Blue Sapphire Diamond Ring Exceptional Certified 9 Carat Blue Sapphire Unheated sapphire

Category

2010s Italian Modern Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Antique Platinum, 1920s 9 Carat Aquamarine & Diamond Ring

$6,670

Antique Platinum, 1920s 9 Carat Aquamarine & Diamond Ring

Located in Brighton, GB

At its centre is an impressive square-cut aquamarine, weighing approximately 9 carats. Its beautiful ice-blue tone embodies vintage glamour and sophistication.

Category

Early 20th Century Edwardian Cocktail Rings

Materials

Aquamarine, Diamond, Platinum

9 Carat Total Weight White Gold Diamond Bracelet

$20,000Sale Price|20% Off

$22,500

9 Carat Rose Cut Diamond Dangle Earrings

By Provident

Located in West Palm Beach, FL

Exquisitely crafted in 18-karat white gold, these stunning earrings are adorned with 9 carats of meticulously hand-set rose-cut and round brilliant diamonds.

Category

2010s Modern Dangle Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 9 Carat G VS1 Emerald Diamond Platinum Ring

$552,000Sale Price|20% Off

$5,000

9 Carat Emerald Cabochon Platinum Diamond Ring

Located in New York, NY

Platinum ring, set with center approx. 9 carat emerald cabochon (measuring approx. 12.71 x 10.6 x 8.7mm) with 0.44ctw in diamonds.

Category

20th Century More Rings

Materials

Diamond, Emerald, Platinum

Recent Sales

Van Cleef & Arpels 9 Carat Diamond 18 Karat Yellow Gold Tennis Bracelet

Unavailable

L 0.26 in

Unavailable

Unavailable

W 0.13 in L 1.75 in

14K Diamond 9 Carat in / Out Hoop White Gold

Located in Boca Raton, FL

Diamond In/Out Hoop in 14K White Gold. Round Brilliant Cut Diamonds weighing 9.0 carat total weight, G-H in color and VS clarity are expertly set. The Earrings measure 1 3/4 inch a...

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2010s Hoop Earrings

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Contemporary Amethyst & Diamond Halo Ring 9 Carat Yellow Gold

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Contemporary Amethyst & Diamond Halo Ring 9 Carat Yellow Gold

Located in Hamilton, AU

Discover the enchanting Imari amethyst & diamond halo ring, a timeless treasure crafted in 9 carat gold.

Category

20th Century Unknown Modern Cocktail Rings

Materials

Amethyst, Diamond, 9k Gold

Celeste Aquamarine & Diamond Earrings 9 Carat Gold

Unavailable

Unavailable

L 7.5 in

Vintage 9 Carat Champagne Colored Diamond Bracelet

Located in Metairie, LA

From a lovely New Orleans estate. Circa 1965. This chic bracelet has been crafted in solid 10k yellow gold. It is masterfully jeweled with a total of 150 dazzling natural round br...

Category

Mid-20th Century Unknown Retro Tennis Bracelets

Materials

Diamond, 10k Gold, Yellow Gold

9-Carat D VVS Round Brilliant Diamond Ring Golconda diamond

Unavailable

9-Carat D VVS Round Brilliant Diamond Ring Golconda diamond

Located in Mumbai, IN

Step into the world of ultimate rarity and prestige with this 8-carat D VVS1 Type IIA round brilliant diamond ring, an extraordinary creation where science and beauty converge to for...

Category

21st Century and Contemporary Indian Empire Bridal Rings

Materials

Diamond, White Diamond, 18k Gold

43.47 Carats Diamond 9 Row Gold Cuff Bracelet

Unavailable

43.47 Carats Diamond 9 Row Gold Cuff Bracelet

By Shreve, Crump & Low

Located in Chestnut Hill, MA

18 karat white gold custom made 9 row diamond cuff bracelet with a total weight of 43.47 carats

Category

21st Century and Contemporary Modern Cuff Bracelets

Materials

Diamond, 18k Gold, White Gold

Art Deco Style Emerald and Diamond Drop Earrings 9 Carat

Unavailable

Art Deco Style Emerald and Diamond Drop Earrings 9 Carat

Located in Lakewood, NJ

Art Deco Style Emerald and Diamond Drop Earrings 9 Carat These elegant art-deco style earrings stand out with beautiful oval green emerald stones at the center totaling in 5.01 carats.

Category

2010s American Art Deco Drop Earrings

Materials

Diamond, Emerald, 18k Gold

Art Deco 9 Carat Sapphire 2.5 Carat Diamond Clip Earrings

Unavailable

Dm 1.03 in

Art Deco 9 Carat Sapphire 2.5 Carat Diamond Clip Earrings

Located in DALLAS, TX

Platinum 9.0 carat total weight sapphire and 2.5 carat total weight diamond earrings with 14k white gold omega backs. 12.8Dwt. 26mm diameter earring.

Category

Early 20th Century Art Deco Clip-on Earrings

Materials

Diamond, Sapphire, 14k Gold, White Gold, Platinum

9 Carat White Gold Solid Hinged Diamond Bangle

Unavailable

9 Carat White Gold Solid Hinged Diamond Bangle

Located in Oxted, Surrey

9ct White Gold Solid Hinged Diamond Bangle. Set with 10 Round brilliant cut diamonds. With a push release clasp and safety catch Approximate total Diamond weight : 0.50ct Width : 4....

Category

2010s British Modern Bangles

Materials

Diamond, White Diamond, 18k Gold

Contemporary Brilliant Diamond Multi Drop Necklet 9 Carat White Gold

Unavailable

L 17.72 in

Contemporary Brilliant Diamond Multi Drop Necklet 9 Carat White Gold

Located in Hamilton, AU

Embrace the ethereal glow of the Marianna Diamond Necklet, where delicate 9 carat white gold cradles brilliant diamonds that dance in the light.

Category

21st Century and Contemporary Unknown Contemporary Pendant Necklaces

Materials

Diamond, 9k Gold, White Gold

9 Carat Emerald-cut Statement / J color VS 14K White Gold Diamond Ring

Unavailable

9 Carat Emerald-cut Statement / J color VS 14K White Gold Diamond Ring

Located in Mumbai, IN

Approximately 9 carats, emerald, statement ring, diamond ring.

Category

21st Century and Contemporary Indian Contemporary Cocktail Rings

Materials

White Diamond, 14k Gold, White Gold

9 Carat Tourmaline and Sapphire Diamond Cocktail Ring

Unavailable

Unavailable

W 0.63 in D 0.16 in L 0.83 in

9 Carat White Gold Onyx and Diamond Hinged Cufflinks

Located in Oxted, Surrey

9ct White Gold Onyx and Diamond Hinged Cufflinks. Set with a round Onyx disk and four Round Brilliant cut Diamonds in a channel setting. Approximate total Dimond weight : 0.20ct Ap...

Category

Vintage 1980s British Modern Cufflinks

Materials

Diamond, White Diamond, Onyx, 9k Gold

9-Carat H SI Round Brilliant Diamond Ring GIA Certified

Unavailable

9-Carat H SI Round Brilliant Diamond Ring GIA Certified

Located in Mumbai, IN

This 9-carat H SI round brilliant diamond ring is a masterpiece of presence, elegance, and enduring legacy, crafted for those who appreciate beauty not only as adornment but as an he...

Category

21st Century and Contemporary Indian Empire Bridal Rings

Materials

Diamond, White Diamond, 18k Gold

"Ocean Breeze" 6.69 Carat Apatite & Diamond Cluster Studs 9 Carat Yellow Gold

Unavailable

Unavailable

9 Carat White Gold Illusion Tension Diamond Ring

Located in Cape Town, ZA

Marvelous Item Attributes: Metal Colour: White Weight: 7g Size: S Center Stone Attributes Number of Stones:...

2010s American Modern Drop Necklaces

Materials

Diamond, White Gold

5.20 Carat Total Square, Baguette & Round Multi-Row Diamond Ring 14K White Gold

$6,875

5.20 Carat Total Square, Baguette & Round Multi-Row Diamond Ring 14K White Gold

Located in Scottsdale, AZ

Ring size: 7 This stunning diamond band ring wraps elegantly around the finger and fills it with sparkle from end to end. Featuring a contemporary wide band design, this ring is smo...

Category

21st Century and Contemporary Unknown Contemporary Band Rings

Materials

Diamond, Gold, 14k Gold, White Gold

PANIM 12.17 Carats Diamond Rosecut 18k White Gold Necklace

$17,849Sale Price|30% Off

$10,639Sale Price|30% Off

$3,000

Five Row Diamond Ring

Located in Great Neck, NY

With this exquisite five row diamond ring, style and glamour are in the spotlight. This 14-karat diamond ring is made from 4.7 grams of gold. This ring is adorned with SI1-SI2, GH co...

Category

21st Century and Contemporary American Modern Band Rings

Materials

Diamond, 14k Gold

Diamond Two-Tone White and Yellow Gold Drop Necklace

$2,750

L 18 in

Diamond Two-Tone White and Yellow Gold Drop Necklace

Located in Montreal, QC

Simply Beautiful! Diamond 2-tone Gold Drop Pendant Necklace. Hand set with Diamonds weighing approx. 1.55tcw. Hand-crafted 14K and 18K White and Yellow Gold mounting. Suspended from ...

Category

21st Century and Contemporary Modern Drop Necklaces

Materials

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

$3,900Sale Price|20% Off

14 Karat White Gold 3-Row Diamond Wedding Ring 1.62 Carat

Located in Los Angeles, CA

Specifications: main stone: ROUND DIAMONDS DIAMONDS: 17 PCS CARAT TOTAL WEIGHT: APPROXIMATELY 1.62 CTW color: G clarity: SI1 brand: UNBRANDED metal: 14K ...

Category

Mid-20th Century American Retro Wedding Rings

Materials

Diamond, 14k Gold, White Gold

15 Carat Round Brilliant Cut Diamond Riviera Tennis Necklace in Platinum

$47,988Sale Price|20% Off

15 Carat Round Brilliant Cut Diamond Riviera Tennis Necklace in Platinum

By Antinori Fine Jewels

Located in Chicago, IL

This exquisite Riviera tennis necklace features approximately 15 carats of high-quality round brilliant cut diamonds, meticulously set in luxurious platinum. This stunning piece is d...

Category

2010s Italian Pendant Necklaces

Materials

Diamond, Platinum

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Hermes Sunset Rainbow Sellier Birkin 35 Rare Limited Edition Bag

$84,625

Size: 35 cm

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21st Century and Contemporary French Top Handle Bags

Blue Sapphire Cabs 14kt Solid Gold Blue Chalcedony Cushion Shape Stud Earrings

$520Sale Price / item|20% Off

W 0.56 in L 0.99 in

Blue Sapphire Cabs 14kt Solid Gold Blue Chalcedony Cushion Shape Stud Earrings

By Tutti Frutti Jewellery

Located in Bangkok, TH

These simple but elegant and handmade earrings have 2 Oval Blue Sapphire cabs measuring 8 x 10 mm set in a 14 Kt yellow gold bezel at the top to which are suspended 2 Cushion Shap...

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Hermes Birkin 25 Gold Togo Leather Gold Hardware 2025 Handbag

$34,850

H 7.87 in W 9.84 in D 5.12 in

Hermes Birkin 25 Gold Togo Leather Gold Hardware 2025 Handbag

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Chanel 2023 Casino Minaudière Clutch with Rainbow Crystals & Gold

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This Casino Minaudière Evening Clutch Bag by Chanel is a highly sought-after and exclusive piece from the 2023 Cruise collection. - Circa 2023 - From the Chanel 2023 Cruise collectio...

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Hermès Mini Kelly 20cm Sellier Bag Shiny Red Lizard Gold Hdw Vintage

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Adorable and Cutest ever Authentic Hermès Mini Kelly Among the most coveted Hermès bags Sellier Version, rigid, so chic ! Will come with its matching pencil case and ring scarf cl...

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Hermès Mini Kelly 20 cm Sellier Bag Satin Doblis Leather Gold Hdw

$57,143

H 5.52 in W 3.75 in L 7.88 in

Hermès Mini Kelly 20 cm Sellier Bag Satin Doblis Leather Gold Hdw

By Hermès

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Chanel Beige Quilted Raffia Classic Double Flap Handbag circa 2017

$7,800

H 5.75 in W 2.75 in L 10 in

Chanel Beige Quilted Raffia Classic Double Flap Handbag circa 2017

By Chanel

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9 Carat Diamond For Sale on 1stDibs

Find the exact 9 carat diamond you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. Find an antique version now, or shop for 36256 vintage or 65347 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a 9 carat diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Finding an appealing 9 carat diamond — no matter the origin — is easy, but LB Exclusive, Tiffany & Co. and Roman Malakov each produced a popular version that is worth a look. A round cut version of this piece has appeal, but there are also oval cut and emerald cut versions for sale. Finding a 9 carat diamond for sale for women should be easy, but there are 24742 pieces available to browse for unisex as well as men, too.

How Much is a 9 Carat Diamond?

The price for a 9 carat diamond starts at $1 and tops out at $475,940,000 with these rings, on average, selling for $5,008.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself.

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany & Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany & Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so.

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle.

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in.

Since Van Cleef & Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement rings, vintage engagement rings or Art Deco engagement rings.

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

Questions About 9 Carat Diamond

What is a 9 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 9-carat diamond’s worth varies depending on the 4Cs of diamond quality — color, cut, clarity and carat. On average, a 9-carat diamond could cost you between $19,000 to $1,000,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 9-carat diamond jewelry from different periods and styles to choose from.
What is a 24-carat diamond?
1 Answer
1stDibs ExpertMarch 22, 2022
A 24-carat diamond is a precious diamond gemstone that weighs 24 carats. One carat weighs 200 milligrams, meaning a 24-carat diamond weighs roughly 4.8 grams. That equates to roughly 0.17 ounces. On 1stDibs, shop a variety of diamond jewelry.
Is there a three-carat diamond?
1 Answer
1stDibs ExpertApril 5, 2022
Yes, there are three-carat diamonds, and you can find them from a number of different jewelers and other retailers. Find an assortment of diamond jewelry from the world’s top sellers on 1stDibs.
What is a 7 carat diamond worth?
1 Answer
1stDibs ExpertAugust 17, 2021
A 7-carat diamond can cost anywhere between $12,000 and $185,000 depending on the quality of the stone. The fewer imperfections, the more expensive the diamond. Some 7-carat diamonds can cost more than $400,000.
What is a 3 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 3-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 3-carat diamond could cost you between $7,200 to $51,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 3-carat diamond jewelry today.
What is 1 carat diamond worth?
1 Answer
1stDibs ExpertFebruary 22, 2021
Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
How large is a 3-carat diamond?
1 Answer
1stDibs ExpertFebruary 27, 2024
In terms of dimensions, how large a 3-carat diamond is varies. The shape of the diamond will determine its length and width. Weighing 600 milligrams, diamonds that are 3 carats are generally considered to be large stones. On 1stDibs, shop a large collection of diamond jewelry from some of the world's top dealers.
How big is a 12 carat diamond?
1 Answer
1stDibs ExpertFebruary 22, 2021
The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.
How many carats should a diamond necklace be?
1 Answer
1stDibs ExpertNovember 6, 2023
There is no hard-and-fast rule for how many carats a diamond necklace should be. On average, solitaire diamond necklaces range from 0.5 to 1 carat, but you can find pieces with larger and smaller stones. Tennis chains that feature continuous diamonds set into links usually have much higher total carat weights. For example, one might feature 60 individual diamonds, each 0.20 carats in size, for a total carat weight of 12.0 carats. Shop a wide range of diamond necklaces on 1stDibs.
How rare is a nine-carat diamond?
1 Answer
1stDibs ExpertApril 5, 2022
A nine-carat diamond is considered rare and holds a premium price. Because of their rarity and size, nine-carat diamonds are a coveted choice for engagement rings. One of the most famous nine-carat diamond rings belongs to actress Kate Hudson, who has a nine-carat emerald cut diamond complemented with tapered baguettes on a platinum band. Shop a selection of diamond jewelry on 1stDibs.
What is an 8 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
An 8-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On an average an 8-carat diamond could cost you between $17,500 to $90,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 8-carat diamond jewelry from different periods and styles to choose from.
What is a 4 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 4-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 4-carat diamond could cost you between $8,400 to $71,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 4-carat diamond jewelry.
What is a 6 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 6-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 6-carat diamond could cost you between $15,000 to $80,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 6-carat diamond jewelry.
What is a 5 carat diamond worth?
1 Answer
1stDibs ExpertSeptember 28, 2021
A 5-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 5-carat diamond could cost you between $9,600 to $67,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 5-carat diamond jewelry.
What is the value of a 25 carat diamond?
1 Answer
1stDibs ExpertSeptember 28, 2021
The minimum value of a 25-carat diamond ranges from $300 to $1,400. The prices change subject to the fluctuation of market factors. The value is defined based on the 4Cs — color, clarity, cut and carat weight. Shop antique, vintage and new diamond jewelry on 1stDibs.
Is a 1.5-carat diamond too big?
1 Answer
1stDibs ExpertFebruary 27, 2024
Whether a 1.5-carat diamond is too big depends on the type of jewelry in question and your personal preferences. A single stud earring that is 1.5 carats is rather large and would cover the entire earlobe. In terms of rings, a 1.5-carat diamond is larger than average. Find a variety of diamond jewelry on 1stDibs.
Is a two-carat diamond rare?
1 Answer
1stDibs ExpertFebruary 13, 2023
Yes, a two-carat diamond is generally rarer than a smaller diamond, especially high-quality two-carat diamonds. When larger diamonds are found in nature, they usually have flaws. And prices per carat don’t increase as weight increases. A three-carat gem can be less valuable than a one-carat stone, for example, if all of the other attributes are of lesser quality in the larger diamond. Shop an assortment of diamond jewelry from some of the world’s top jewelers on 1stDibs.
Are 2 carat diamond studs too big?
1 Answer
1stDibs ExpertNovember 1, 2023
Whether two-carat diamond studs are too big is a matter of personal preference. At this size, each earring will be one carat. If you opt for the classic round brilliant cut, the studs will typically measure around 6.5 millimeters in diameter, which is a little more than half the size of a dime. Find a wide range of diamond stud earrings on 1stDibs.
Are 1.3-carat diamond earrings too small?
1 Answer
1stDibs ExpertNovember 8, 2023
Whether 1.3-carat diamond earrings are too small is a matter of personal opinion. A pair of earrings with a total carat weight of 1.3 is considered to be medium-sized. The smallest diamond earrings are around 0.25 carats, while the largest are 1.5 carats or more. Explore a wide range of diamond earrings on 1stDibs.
Are half-carat diamond studs too small?
1 Answer
1stDibs ExpertNovember 27, 2023
Whether half-carat diamond studs are too small is a matter of personal opinion. A pair of diamond studs with a total carat weight of 0.5 usually consists of two 0.25-carat earrings. Many jewelry makers offer studs as small as 0.13 carats, so many people consider half-carat diamond studs to be medium-sized. On 1stDibs, shop a collection of antique and vintage diamond stud earrings.