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Art Deco Ruby and Diamond Star Ring
Located in London, GB
Details: Approx. Colour: G, Clarity: SI Rose Cut Diamond Dimensions: 25 (1mm) Ruby Dimensions: 21 (1mm
Category

Vintage 1930s Art Deco Cluster Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

Georgios Collections 18 Karat Yellow Gold Diamond Chain Loose Pendant Necklace
By Georgios Collections Inc
Located in Astoria, NY
unique velvet look and features 25 Brilliant cut Diamonds total weight of 0,47 Carats, and comes with a
Category

21st Century and Contemporary Greek Byzantine Pendant Necklaces

Materials

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

Aquamarine Red Enamel Diamond 14 Karat Gold Spiral Ring
By Meghna Jewels
Located in Hoffman Estate, IL
, .25 carats of sparkling diamonds. The ring is a size 7 and may be resized to larger or smaller upon
Category

21st Century and Contemporary Modern Band Rings

Materials

Diamond, Aquamarine, Gold, Enamel, 14k Gold

Sapphire Diamond Platinum Yellow Gold Pendant Necklace
Located in Stamford, CT
natural cabochon sapphire accented by 25 rose and round cut diamonds. There are also 3 multi-shaped
Category

Antique Late 19th Century Pendant Necklaces

Materials

Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow Gold, Platinum,...

Certified Natural Diamond Hanging Drop Earrings Fine Jewelry 14k White Gold
By Spectrum Jewels
Located in Diera, Dubai
Cast from 14-karat gold, these exquisite earrings are handset with 2.05 carats of sparkling
Category

21st Century and Contemporary Indian Art Nouveau Drop Earrings

Materials

Diamond, Gold, White Gold, 14k Gold

Certified Natural Diamond Hanging Drop Earrings Fine Jewelry 18k White Gold
By Spectrum Jewels
Located in Diera, Dubai
Cast from 18-karat gold, these exquisite earrings are handset with 2.05 carats of sparkling
Category

21st Century and Contemporary Indian Art Nouveau Drop Earrings

Materials

Diamond, Gold, 18k Gold, White Gold

Mattioli Puzzle Collection 18k Gold Earrings with Diamonds Silver and Bronze
By Mattioli
Located in Neguri, Vizcaya
Earrings box in rose gold, white diamonds, silver and bronze Small size Diamonds carat 0.34 ct
Category

21st Century and Contemporary Italian Contemporary Drop Earrings

Materials

Diamond, 18k Gold, White Gold

Simon G Two Tone Floral Motif Diamond Cross Pendant Necklace in 18 Karat Gold
By Simon G Jewelry
Located in Scottsdale, AZ
. The flower also features a single .03 carat natural pink diamond set in rose gold, making it really
Category

21st Century and Contemporary Italian Contemporary Pendant Necklaces

Materials

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

Alphabet F Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.30 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet B Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.51 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet A Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.45 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet Y Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.38 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet N Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.30 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet O Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.37 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet P Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.39 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet L Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.25 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet K Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.32 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet J Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.31 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet I Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.24 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet H Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.52 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet G Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.45 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet E Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.34 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet D Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.39 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet C Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.33 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet Q Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.43 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet M Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.45 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet Z Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.41 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet X Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.40 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet T Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.29 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet U Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.45 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet W Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.64 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet S Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.31 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet R Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.41 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Alphabet V Bag Bijoux with Natural Diamonds
By Ashna Mehta
Located in Dubai, AE
collection. Details: Material: 18K White, Yellow, or Rose Gold Diamond Weight: ~0.39 carats Diamond Quality
Category

2010s Emirian Brooches

Materials

Diamond, 18k Gold

Orange Moonstone Brilliant Earrings 0.26 ct 14 ct best Goldsmithwork from Italy
Located in Viena, Viena
similar shape, square decorative surface set with full-cut brilliant-cut diamonds, totaling approx. 0.26
Category

2010s Italian Modern Stud Earrings

Materials

Diamond, Moonstone, 18k Gold, Rose Gold

Victorian sapphire diamond 18k yellow gold and platinum cocktail ring
Located in Beverly Hills, CA
, centering an oval cut sapphire of approximately .60 carats. Surrounding the sapphire are 44 rose cut
Category

Early 20th Century Victorian Cocktail Rings

Materials

Diamond, Sapphire, Platinum, Yellow Gold, 18k Gold, Gold

Natural 0.89cts Zambian Emerald 0.06cts Diamond Ring in 14k Gold
Located in jaipur, IN
Clarity : Slightly included ✦ Diamond Cut : Excellent - Very Good ✦ Diamond Weight : 0.20 Carats METAL
Category

2010s Indian Band Rings

Materials

Diamond, Emerald, 14k Gold

Bluetopaz Brilliant Earrings 18 kt modern Design so stunning 19.35 ct 0.27 ct
Located in Viena, Viena
similar shape set with full-cut brilliant-cut diamonds totaling approx. 0.27 ct, TW (fine white) / VS
Category

2010s Italian Modern Dangle Earrings

Materials

Diamond, Blue Topaz, 18k Gold, Rose Gold

Natural 2.64cts Blue Sapphire 0.61cts Diamond Ring in 18k Gold
Located in jaipur, IN
✦ Diamond Weight : 0.61 Carats METAL DETAILS : ✦ Metal : 18K Gold ✦ Metal Color : Yellow / White / Rose
Category

2010s Indian Band Rings

Materials

Diamond, Blue Sapphire, 18k Gold

3.45ct Grey White Diamond Statement Snake Ring set in 18k Yellow Gold
Located in Toronto, Ontario
remarkable ring is a magnificent 3.45-carat pear-shaped grey diamond. With a unique rose cut, the diamond
Category

2010s Canadian Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Yellow Gold

FRENCH 18kt Gold Antique Turtle Brooch with Demantoides and Diamonds
Located in Aventura, FL
carats. The vivid green demantoides form the turtle’s shell, while 25 rose-cut diamonds (approx. 0.20
Category

Antique 19th Century Belle Époque Brooches

Materials

Diamond, Garnet, Ruby, Gold, 18k Gold, Yellow Gold

Diamond Chain Link Necklace Earrings Demi Parure Suite
Located in New York, NY
, and rose gold. Adorned with a captivating combination of round brilliant-cut diamonds and diamond pavé
Category

21st Century and Contemporary American Contemporary Chain Necklaces

Materials

Diamond, 18k Gold

Van Cleef Arpels "Jewels of a Rajah" Musical Brooch
By Van Cleef Arpels
Located in New York, NY
romance of the Taj Mahal. The head is a rose cut diamond, the body and limbs are three large emeralds
Category

Vintage 1950s French Retro Brooches

Materials

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

Diamond Infinity Ring 14k Solid Gold Engagement Ring
Located in Chicago, IL
, Wedding Day Colored Diamond Intensity: Faint Number of Gemstones: 0 Type: Engagement Ring Cut Grade
Category

2010s Indian Engagement Rings

Materials

Diamond, White Gold, Gold, 14k Gold

1910 Belle Epoque filigree Pendant in 18kt Platinum with 4.70 Cts in Diamonds
Located in Aventura, FL
surrounded by 25 old mine and rose-cut diamonds totaling 4.20 carats in J-K color and VS-SI clarity. The
Category

Vintage 1910s Belle Époque Pendant Necklaces

Materials

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

Georgios Collections 18 Karat Yellow Gold White and Blue Diamond Oval Pendant
By Georgios Collections Inc
Located in Astoria, NY
gorgeous pendant features 0.26 Carat Brilliant cut Blue Diamond center and 2 Brilliant cut White Diamonds
Category

21st Century and Contemporary Greek Byzantine Drop Necklaces

Materials

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

Art Deco circular 0.33 ct diamond ruby ring in 18k gold and platinum
Located in PARIS, FR
setting of 25 rose-cut diamonds. The whole is set in a platinum bezel. The band is in yellow gold. Art
Category

Vintage 1930s French Art Deco Fashion Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

Art Deco Diamond Ruby Platinum and Gold Plaque Ring
Located in New York, NY
diamonds with an approximate total weight of .60 carat, 34 rose-cut diamonds with an approximate weight of
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, Platinum, Gold

Oval Blue Topaz Diamond Halo Drop 14K White Gold Drop Dangle Earrings
By Unbranded
Located in Oakton, VA
Carat (approx. in total) Additional Gemstones Type: Diamond Shape: Round Cut Average Color: H Average
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, Blue Topaz, 14k Gold, White Gold

Etruscan Revival 14K Gold Bypass Bracelet with Diamonds
Located in Venice, CA
. The diamonds are bright and lively. They are European cut, bezel set, and each measure 3 mm with a
Category

Antique 1880s Unknown Etruscan Revival Clamper Bracelets

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Vintage 14k Gold 3.87ctw Colombian Emerald Diamond Cluster Spray Cocktail ring
Located in Montclair, NJ
-2.50ctw (approx.) (6) Natural Genuine Diamonds - Old Rose Cut - Pave Set - I Color - SI1 Clarity - 0.06ctw
Category

20th Century Cocktail Rings

Materials

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

Pear SI/H 2.93Ct Natural Diamond Cluster Stud Earrings Gift Fine 14k Yellow Gold
Located in Diera, Dubai
composed of multiple pear-cut diamonds meticulously arranged to create a seamless cascading floral-like
Category

21st Century and Contemporary American Modern Lever-Back Earrings

Materials

Diamond, Gold, Yellow Gold, 14k Gold

Pear SI/H 2.93Ct Natural Diamond Cluster Stud Earrings Gift Fine 18k Yellow Gold
Located in Diera, Dubai
Weight:- 9.66 gm approx 18k Yellow Gold Weight:- 9.07 gm Diamond Weight:- 2.93 Carat Earring Length:- 25
Category

21st Century and Contemporary American Modern Lever-Back Earrings

Materials

Diamond, 18k Gold, Yellow Gold, Gold

Natural 0.89 cts zambian emerald 0.06 cts diamond T letter ring in 14k gold
Located in New York, NY
carats ✦ Gemstone Grade : AAA DIAMOND DETAILS : ✦ Diamond Type : Natural ✦ Diamond Size : 1.00 mm
Category

2010s Indian Band Rings

Materials

Diamond, Emerald, 14k Gold

Antique 1899s Guilloche Enamel And Diamond Russian Cross Pendant
Located in Cairo, EG
Antique 14k gold large russian cross pendant in blue guilloche enamel with rose cut diamonds
Category

Antique 1840s Pendant Necklaces

Mattioli Puzzle Collection 18 Karat Gold Ring withDiamonds
By Mattioli
Located in Neguri, Vizcaya
can choose between 25 colour palette ++ Ring in rose gold and Diamonds carat 0.38 ct Can be ordered
Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

Art Nouveau 1905 Edwardian Enameled Purple Pansy Brooch in 14kt Gold with Pearl
Located in Miami, FL
center in a four-prongs setting, with 1 European rose cut diamond, 0.05 carats, white colorless G color
Category

Antique Early 1900s American Art Nouveau Brooches

Materials

Diamond, White Diamond, Pearl, Gold, 14k Gold, Yellow Gold, Enamel

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25 Carat Rose Cut Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 25 carat rose cut diamond for your needs in our varied inventory. Frequently made of gold, rose gold and white gold, this item was constructed with great care. Find an antique version now, or shop for 4 vintage or 18 modern creation for a more contemporary example of these cherished accessories. If you’re looking for a 25 carat rose cut diamond from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 21st Century. There have been many well-made iterations of the classic 25 carat rose cut diamond over the years, but those made by Alexander Beverly Hills, Coomi and Intini Jewels are often thought to be among the most beautiful. Today, if you’re looking for a rose cut version of this piece and are unable to find the perfect match, our selection also includes mixed cut and round cut alternatives. Finding a 25 carat rose cut diamond for sale for women should be easy, but there are 5 pieces available to browse for unisex as well as men, too.

How Much is a 25 Carat Rose Cut Diamond?

The price for a 25 carat rose cut diamond starts at $564 and tops out at $72,000 with these rings, on average, selling for $7,020.

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 ringsvintage engagement rings or Art Deco engagement rings

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