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Pomellato Cocco 18K Rose Gold 0.89ct Diamond Wide Concave Ring
By Pomellato
Located in Southampton, PA
diamonds for a shimmering look.This signed Pomellato 18K Rose Gold 0.89 ct Diamond Wide Concave Ring comes
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 18k Gold, Rose Gold

Diamond Gold Concave Cocktail Ring
Located in Beverly Hills, CA
round brilliant cut diamonds pave set in a spherical concave ring. The shimmering round cut diamonds are
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Diamond, 18k Gold, White Gold

Two Tone Gold Concave Band Ring
Located in Coral Gables, FL
18 Karat Yellow and White Gold Ring with Polished Concave Design. Tapered Width From 12.5mm to 7mm
Category

1990s Fashion Rings

Materials

Yellow Gold, Gold, 18k Gold, White Gold

Extravagant 17.00 Carat Concave Oval Blue Topaz Diamond Cocktail Ring 18k White
Located in Miami, FL
Modern Bold cocktail ring featuring a massive 20mm X 15mm (Approx 17 carats) oval Blue Topaz
Category

Early 2000s Modern Cocktail Rings

Materials

Diamond, Blue Topaz, 18k Gold

18 Karat Yellow Gold Concave Ovals Ring
By Thomas Kurilla Jewelry
Located in New York, NY
18 Karat Yellow Gold Concave Ovals Ring, From the optical cuff links series. Open Air Series
Category

2010s North American Contemporary Fashion Rings

Materials

18k Gold, Yellow Gold

18k Yellow Gold .50ct Fancy Color Diamond Polished Heavy Concave Wide Band Ring
Located in Montclair, NJ
: Solid 18k Yellow Gold Weight: 18.67 Grams Ring Size: 7.0 (Fitted on a finger. We can custom size this
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

18 Karat Yellow Gold Concave Diamonds Oval Women's Ring
By Thomas Kurilla
Located in New York, NY
18 Karat Yellow Gold Concave Diamonds Oval Ring, From the optical cufflinks series. Open Air Series
Category

2010s Contemporary Fashion Rings

Materials

Diamond, 18k Gold, Yellow Gold

18 Karat Rose Gold Concave Diamonds Oval Sculpture Ring
By Thomas Kurilla
Located in New York, NY
18 Karat Rose Gold Concave Diamonds Oval Sculpture Ring, Tiffany Designer, Thomas Kurila creates
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, 18k Gold, Rose Gold

18 Karat Yellow Gold Concave Sapphire and diamonds Ring
By Thomas Kurilla Jewelry
Located in New York, NY
Tiffany Designer, Thomas Kurilla created this ring, what was a diamond engagement ring turned a
Category

2010s North American Contemporary Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

18 Karat White Gold Concave Diamonds Womens Oval Sculpture Ring
By Thomas Kurilla
Located in New York, NY
18 Karat White Gold Concave Diamonds Oval Sculpture Ring, Tiffany Designer, Thomas Kurila creates
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, 18k Gold

Concave Signet Ring in 18 Karat Gold by Allison Bryan
By Allison Bryan
Located in London, GB
This curvaceous, contemporary take on the classic signet ring is crafted from solid 18-carat yellow
Category

2010s British Signet Rings

Materials

18k Gold, Gold

Tacori Concave Satin 6mm 18K White Gold Crescent Mens Man's Wedding Band
By Tacori
Located in Austin, TX
Tacori Concave Satin 6mm 18K White Gold Crescent Mens Man's Wedding Band This original Tacori ring
Category

2010s American Contemporary Wedding Rings

Materials

18k Gold, White Gold, Yellow Gold

Double Row 5.06ct Sapphire and 1.67ct Princess Cut Diamond Concave Ring
Located in New York, NY
karat gold. This concave ring has a slight taper to fit comfortably to any finger. The combination of
Category

1990s American Modern Band Rings

Materials

Diamond, Sapphire, 18k Gold

Roman Malakov 2.07 Carats Total Black and White Diamond Concave Fashion Ring
By Roman Malakov
Located in New York, NY
A fashionable concave fashion ring featuring 1.56 carats total of round black diamonds, set in a
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

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

18 Karat Yellow Gold Concave Tapered GIA 2.2 Carat Ruby and Diamonds Ring
By Thomas Kurilla Jewelry
Located in New York, NY
cocktail fashion ring. Using an oval ruby 9 X 7 , 2.2 carat weight as the focus point. A tapering concave
Category

2010s North American Contemporary Fashion Rings

Materials

18k Gold

1.72 Carats Total Diamond Concave High-Low Cocktail Ring 18 Karat White Gold
Located in Scottsdale, AZ
. This stunning piece will not go unnoticed. Ring size: 5 Metal: 18 Karat White Gold Weight: 10.5
Category

21st Century and Contemporary Unknown Contemporary Cluster Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Roberto Coin Multi Row Champagne Diamond Pave Concave Ring 18 Karat Yellow Gold
By Roberto Coin
Located in Scottsdale, AZ
ring in a polished 18 karat yellow gold, adding to the warm brilliance of the piece. There are an
Category

21st Century and Contemporary Italian Contemporary Band Rings

Materials

Diamond, Brown Diamond, 18k Gold, Yellow Gold, Gold

Multi-Row Concave Wide Diamond Band Ring in 18 Karat Yellow Gold and Platinum
Located in Scottsdale, AZ
Ring Size: 8.75 This captivating ring, set in radiant 18 karat yellow gold, boasts a modern and
Category

21st Century and Contemporary Unknown Contemporary Band Rings

Materials

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

Keiko Mita Textured 18 Karat Yellow Gold Concave Band - L
By Keiko Mita
Located in New York, NY
Keiko Miita's modern Concaved Band Ring is handmade from 18 Karat Yellow Gold. The contemporary
Category

2010s American Contemporary Band Rings

Materials

Gold, 18k Gold, Yellow Gold

Keiko Mita Textured 18 Karat Yellow Gold Concave Band - S
By Keiko Mita
Located in New York, NY
Keiko Miita's modern Concaved Band Ring is handmade from 18 Karat Yellow Gold. The contemporary
Category

2010s American Contemporary Band Rings

Materials

Gold, 18k Gold, Yellow Gold

Diamond and 18k White Gold Dome Ring
By Sarosi By Timeless Gems
Located in Los Angeles, CA
Show off your bold sense of style with this chic, diamond-studded 18k white gold ring! The
Category

21st Century and Contemporary North American Artisan Dome Rings

Materials

Diamond, 18k Gold, White Gold, Gold

18 Karat White Gold Pave Ruby and Bezel Set Diamond Concave Cigar Band
Located in Scottsdale, AZ
Designer: custom Material: 18K white gold Diamond: 32 round brilliant cut = 1.00cttw Color: H
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Afarin Collection Concave 5 Row Pavé Diamond 2.71cts tw Band in 18Kt White Gold
Located in Los Gatos, CA
This Spectacular Afarin Collection band consists of five rows of concave pavé diamonds meticulously
Category

21st Century and Contemporary Italian Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

Vintage Aquamarine and Diamond 18K Yellow Gold Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
and impressive Art Deco ring has been crafted in 18k yellow gold with platinum settings. The center
Category

20th Century Unknown Art Deco Cluster Rings

Materials

Aquamarine, Diamond, 18k Gold, Yellow Gold

Afarin Collection Concave 5 Row Pavé Diamond 2.71cts. Tw. Band in 18kt White Gol
Located in Los Gatos, CA
This exquisite Afarin Collection band features 5 rows of concave pavé diamonds set in 18Kt white
Category

21st Century and Contemporary Italian Modern Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

18k Yellow Gold Marquise Citrine and Elongated Open Nugget Ring
Located in Southport, CT
18k yellow gold ring. This striking ring is a concave, elongated rectangle, decorated with an open
Category

20th Century Unknown Retro Fashion Rings

Materials

Citrine, 18k Gold, Yellow Gold

New / Italy Rimani Diamond and Blue Sapphire Ring / 18k Yellow Gold
Located in Rancho Mirage, CA
and Blue Sapphire, All natural and Excellent Quality 18K Yellow gold, stamped 18K Concave 3D design
Category

21st Century and Contemporary European Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, Yellow Gold

Antique Nordic Ring natural 5ctw Sapphire 0.6ct Diamond 18K Gold ØUS8.25 /4.53gr
Located in SE
Antique cluster/cocktail Ring, Swedish hand-made with fifteen clusters in White gold boasting
Category

Vintage 1930s Swedish Art Deco Cluster Rings

Materials

Diamond, Sapphire, 18k Gold

Antique Ring Diamonds Red Enamel 18K Gold Silver Ø 6.25 US/ 7.7gr
Located in SE
Old Russian or Finish Ring hand - made between late 19th - early 20 centuries. Floral ornament with
Category

Antique Early 1900s Russian Art Nouveau Cluster Rings

Materials

Diamond, 18k Gold, Silver, Enamel

Antique Signet Ring Wilkinson Courtenay 18.5 ct Jasper 18K Gold US 3.75/12.8g
Located in SE
Gold and Jasper Signet Ring with concave shaped heraldic impalement Intaglio of two noble Families
Category

Antique 18th Century European Medieval Signet Rings

Materials

Jasper, 18k Gold

Retro 1940s Invisible Set Square Ruby and Diamond Dome Ring 18K Yellow Gold
Located in beverly hills, CA
concave dome, ribbon like mounting 18k yellow gold. Small colorless diamonds beautifully accent the ring
Category

Mid-20th Century Retro Dome Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Vintage Fluted Dome Ring Platinum 18k Yellow Gold Two Tone Cocktail Band Sz 7
Located in Torrance, CA
& Hallmark: 18 karat yellow gold and 900 platinum. The ring is hallmarked "K18" and "Pt900".
Category

Late 20th Century American Modern Dome Rings

Materials

Yellow Gold, 18k Gold, Gold, Platinum

Antique Ring 2.2ct Emerald 1.2ctw Diamonds 18K Gold Silver Enamel Ø 5.5US/7.3gr
Located in SE
Old Bagues au Firmament Emerald and Diamonds and Enamel halo cluster ring. European or Russian
Category

Antique Early 19th Century European Empire Cluster Rings

Materials

Emerald, Diamond, Enamel, Silver, 18k Gold

18K Yellow Gold and Sterling Silver Modernist ring by Harold O'Connor, c. 2000
Located in Aspen, CO
18K yellow gold applied on oxidized sterling silver, this large and quite unusual ring is by the
Category

21st Century and Contemporary North American Contemporary Cocktail Rings

Materials

Amethyst, 18k Gold, Yellow Gold, Sterling Silver

Old Ring Bague au Firmament Diamond Blue Enamel 18K Gold Ø5.75 US/ 5.5 gr
Located in SE
Аntique ca. early XX cent. solid 18K Yellow Gold Bague au Firmamen styled Blue Enamel and Diamond
Category

Vintage 1920s Italian Empire Cluster Rings

Materials

Diamond, 18k Gold, Enamel, Platinum

Freeform "Lava Pool" Ring with 1.16 Carats Yellow Spectrum Diamonds in 18K Gold
By Eytan Brandes
Located in Sherman Oaks, CA
freeform 18 karat yellow gold ring. Eytan calls it his Lava Pool ring because the diamonds sparkle like
Category

2010s American Contemporary Cocktail Rings

Materials

Brown Diamond, Yellow Diamond, Diamond, Yellow Gold, 18k Gold, Gold

Black Onyx Diamond Gold Ring
Located in Beverly Hills, CA
This modern ring set in 18K rose gold features smooth black onyx with 0.38 carats of round cut pave
Category

2010s Cocktail Rings

Materials

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

18 Karat Green Rhombus Mens Wedding Ring
By Thomas Kurilla Jewelry
Located in New York, NY
18k Green Matte Wedding Band, "Rhombus Concave" Tiffany Designer, Thomas Kurilla uses his
Category

2010s American Contemporary Bridal Rings

Materials

18k Gold

Gold Band Ring with Diamonds
By Spark Creations
Located in Darnestown, MD
Concave band ring by Spark in which 37 diamonds weighing 1.2 carats are set in the center. The
Category

Vintage 1980s American Modern Band Rings

Materials

Diamond, 18k Gold

18 Karat Pink Wedding Ring Bridal Set
By Thomas Kurilla
Located in New York, NY
18 Karat Pink Gold Matte Wedding Band Bridal Set, "Rhombus Concave" The rhombus is my favorite
Category

2010s American Contemporary Bridal Rings

Materials

18k Gold

South Sea Pearl Diamond Gold Ring
Located in Beverly Hills, CA
This characterful ring features a 12mm South Sea pearl in the center of a concave oval shape of
Category

2010s Cocktail Rings

Materials

Diamond, Pearl, South Sea Pearl, 18k Gold, White Gold

South Sea Pearl Diamond Gold Ring
Located in Beverly Hills, CA
A perfectly round South Sea pearl sits in the center of this concave 18K white gold ring. The
Category

2010s More Rings

Materials

Diamond, Pearl, South Sea Pearl, 18k Gold, White Gold

18 Karat Yellow Gold Wedding Ring Bridal Set
By Thomas Kurilla
Located in New York, NY
Tiffany Designer, Thomas Kurilla designed these 18k Yellow Sandblasted or polished finish
Category

2010s American Contemporary Band Rings

Materials

18k Gold, Yellow Gold

Vintage Sapphire and Diamond Five-Stone Ring
Located in London, GB
Here we have a classically styled five-stone ring. This vintage piece has been crafted from
Category

20th Century Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

1970s Diamond and White Gold Twist Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive 0.43 carat Diamond and 18k white gold twist ring / dress ring; part of our
Category

Vintage 1970s Unknown Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Modern White Onyx Diamond Gold Ring
Located in Monte Carlo, MC
This Minimalist ring is made of a round concave disk carved in a white Chalcedony (Onyx). It has
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Chalcedony, Onyx, Diamond, Yellow Gold, Gold, 18k Gold

2.40 Carat Emerald Cut Diamond Seven-Stone Ring
Located in London, GB
: '18CT' Box: The Vintage Jeweller Ring Box Comments: These gemstones have not been certified by a
Category

21st Century and Contemporary Cluster Rings

Materials

Diamond, 18k Gold, White Gold

1970s Kutchinsky Yellow Gold and Diamond Ring
By Kutchinsky
Located in Torino, IT
Unconventional and stylish Ring crafted in Yellow Gold and Diamond, designed by Kuchinsky , famed
Category

Vintage 1970s British Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Sapphire White Gold Cocktail Band Ring
Located in Firenze, IT
Designed as a concave band set with ten round cut sapphire. Mounted in 18Kt white gold Finger
Category

Vintage 1970s Italian Band Rings

Materials

Sapphire, 18k Gold, White Gold

18 Karat Yellow Gold Diamonds Octagonal Sculpture Ring
By Thomas Kurilla
Located in New York, NY
18 Karat Yellow Gold Diamonds Octagonal Sculpture Ring, Tiffany Designer, Thomas Kurilla creates
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, 18k Gold, Yellow Gold

Art Deco Ruby and Diamond Bombe Ring
Located in London, GB
18ct yellow gold band for contrast. Condition: Used (Very Good) Weight: 3.0 grams Ring Size: I (48
Category

Early 20th Century Art Deco Cluster Rings

Materials

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

Onyx and 1.06 Carat Diamond Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
impressive vintage cocktail ring has been crafted 18k yellow gold. The substantial yellow gold mount is
Category

Vintage 1960s Unknown Cocktail Rings

Materials

Diamond, Onyx, 18k Gold, Yellow Gold

18 Karat White Gold Marquise Ruby 1.1 Carat Sculpture Ring
By Thomas Kurilla Jewelry
Located in New York, NY
18 Karat White Gold Marquise Ruby 1.1 Carat Sculpture Ring, Tiffany Designer Thomas Kurilla keeping
Category

2010s American Contemporary Fashion Rings

Materials

Ruby, 18k Gold, White Gold

18 Karat Yellow Gold Marquise Ruby 1.1 Carat Sculpture Ring
By Thomas Kurilla Jewelry
Located in New York, NY
18 Karat Yellow Gold Marquise Ruby 1.1 Carat Sculpture Ring, Tiffany Designer Thomas Kurilla
Category

2010s American Contemporary Solitaire Rings

Materials

Ruby, 18k Gold, Yellow Gold

Hans D. Kreiger Diamond and 18 Karat Bicolor Gold Ring
Located in San Francisco, CA
Uniquely comfortable, this 18k white and yellow gold Hans Kreiger band is designed with a white
Category

21st Century and Contemporary Unknown Band Rings

Materials

Diamond, 18k Gold

18 Karat Rose Gold Diamond Domed Cocktail Dinner Ring
By Avanti
Located in Carrollton, TX
This gorgeous 18k rose gold ring was inspired from the concave shaped shells and waves of the ocean
Category

2010s American Contemporary Band Rings

Materials

Diamond, 18k Gold, Rose Gold

5 Carat Emerald Solitaire 18 Karat Halo Ring
Located in METAIRIE, LA
In a concave Halo design, this Emerald Ring is attributed to the Retro Art Deco period, in a
Category

Vintage 1980s Engagement Rings

Materials

Diamond, Emerald, White Gold, 18k Gold

18 Karat Rose Gold Natural Yellow Diamonds Octagonal Sculpture Ring
By Thomas Kurilla
Located in New York, NY
18 Karat Rose Gold Natural Yellow Diamonds Octagonal Sculpture Ring, Tiffany Designer, Thomas
Category

2010s American Contemporary Fashion Rings

Materials

Yellow Diamond, 18k Gold, Rose Gold

White Gold, Sapphire, and South Sea Pearl Cocktail Ring
Located in Coral Gables, FL
18 Karat White Gold Ring Featuring a 12.7mm South Sea Cultured Pearl, 2 Carat Total Weight Ombre
Category

21st Century and Contemporary Cluster Rings

Materials

South Sea Pearl, Sapphire, 18k Gold, White Gold

George Gero 18 Karat Yellow Gold, 2.90 Carat Ruby Ring
By George Gero
Located in New York, NY
Designed by George Gero, this 18kt yellow gold gents ring is set with 12 square cut Rubies in a
Category

1990s Italian Contemporary Fashion Rings

Materials

Ruby, 10k Gold, 18k Gold, Yellow Gold

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18k Concave Ring For Sale on 1stDibs

Find the exact 18k concave ring you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from 18k Gold, Gold and White Gold — can elevate any look. You can easily find a 6 antique edition and 22 modern creations to choose from as well. If you’re looking for a 18k concave ring from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. For this particular piece, 2.5 Carat and 3 Carat are consistently popular carat weights. Creating a 18k concave ring has been a part of the legacy of many jewelers, but those produced by Furrer-Jacot, Roman Malakov and Allison Bryan are consistently popular. Take a look at a 18k concave ring featuring Diamond from our inventory today to add the perfect touch to your look. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes brilliant cut and cushion cut alternatives. Most of our 18k concave ring for sale are for women, but there are 15 pieces available to browse for men.

How Much is a 18k Concave Ring?

The price for a 18k concave ring starts at $950 and tops out at $10,220 with these rings, on average, selling for $5,265.

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. 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

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.

Questions About 18k Concave Ring
  • 1stDibs ExpertNovember 21, 2023
    Whether a wedding band should be 14K or 18K depends on your personal preferences. Because it contains more pure gold, 18-karat gold will usually show off a richer color and be less likely to fade over time. On the other hand, 14-karat gold is less prone to scratching and damage because it has more alloy metals. Explore a large collection of gold wedding bands on 1stDibs.
  • 1stDibs ExpertNovember 14, 2023
    Yes, 18-karat gold can be good for earrings. Because it is an alloy, 18-karat gold is more durable and scratch-resistant than pure 24-karat gold. You can find 18-karat gold in rich warm yellow, cooler white with warm undertones and light pink rose. On 1stDibs, explore a large collection of gold earrings.
  • 1stDibs ExpertNovember 1, 2023
    The difference between 14K and 18K white gold stud earrings comes down to the content of the precious metal alloy. Stud earrings made of 14-karat white gold are 58.3% gold and 41.7% base metal, while 18-karat gold is 75% pure gold and 25% other metals. As a result, 14-karat white gold tends to be stronger and more resistant to scratching, and 18-karat gold will have a more noticeable warm-glowing yellow tinge. On 1stDibs, shop a range of white gold stud earrings.