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Marquise Sapphire Wrap Ring Guard, Stackable Ring Jacket
Marquise Sapphire Wrap Ring Guard, Stackable Ring Jacket

Marquise Sapphire Wrap Ring Guard, Stackable Ring Jacket

Located in McLeansville, NC

1.9 mm - approximately .30 total carats Ring Size 6.5 Rise Off Of Finger: 3.7 mm Width: 6.9 mm

Category

Vintage 1970s Band Rings

Materials

Sapphire, 10k Gold, Yellow Gold

0.52ctw Diamond Engagement Ring, Platinum, Ring Size 6
0.52ctw Diamond Engagement Ring, Platinum, Ring Size 6

0.52ctw Diamond Engagement Ring, Platinum, Ring Size 6

Located in McLeansville, NC

- 2-3 mm - approximately .30 carat - HI, SI1-I1 Ring Size 6 Width: 4.7 mm Weight: 1.4 dwts. / 2

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Boulder Opal Ring Gold Statement Art Nouveau Style Mens Ring St Valentine's Gift
Boulder Opal Ring Gold Statement Art Nouveau Style Mens Ring St Valentine's Gift

Boulder Opal Ring Gold Statement Art Nouveau Style Mens Ring St Valentine's Gift

By Alexey Gabilo

Located in Berlin, DE

0.59 х 1.18 in / 4 х 15 х 30 mm stone weight - 16.50 carats ring weight - 10.44 grams ring size

Category

2010s Russian Art Nouveau Cocktail Rings

Materials

Opal, 14k Gold, Yellow Gold, Gold

Retro Diamond Yellow Gold Estate Ring
Retro Diamond Yellow Gold Estate Ring

Retro Diamond Yellow Gold Estate Ring

Located in Boca Raton, FL

diamonds equal approximately .30 carat total weight. The ring is currently size 5( but can be sized). 

Category

Mid-20th Century Retro Fashion Rings

Materials

White Diamond, 14k Gold, Yellow Gold

Art Deco Ruby Diamond Platinum Ring
Art Deco Ruby Diamond Platinum Ring

Art Deco Ruby Diamond Platinum Ring

Located in New York, NY

carat; the 8 rubies weigh a total of approximately .30 carat. The ring has a gross weight of

Category

Vintage 1930s American Engagement Rings

Materials

Diamond, Ruby, Platinum

Art Deco Aquamarine and Platinum Ring
Art Deco Aquamarine and Platinum Ring

Art Deco Aquamarine and Platinum Ring

Located in Litchfield, CT

Circa 1920s, Platinum. Set with a 3.5 carat vivid blue aquamarine accented by .30 carats of white

Category

Vintage 1920s Art Deco Fashion Rings

Materials

Aquamarine, White Diamond, Platinum

Art Deco Diamond Platinum Filigree Engagement Ring
Art Deco Diamond Platinum Filigree Engagement Ring

Art Deco Diamond Platinum Filigree Engagement Ring

Located in Boca Raton, FL

approximately .30 carat total weight. The ring measures 10mm in width, and is currently size 6 (can be sized).

Category

Early 20th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Italian Opal and Sapphire Fern Bloom Ring
Italian Opal and Sapphire Fern Bloom Ring

Italian Opal and Sapphire Fern Bloom Ring

Located in Miami, FL

sapphires weighing approximately .30 carats total. The ring spans 16.9mm at the widest and tapers to 2.4mm

Category

Vintage 1970s Italian Modern Dome Rings

Materials

Opal, Blue Sapphire, 18k Gold, White Gold, Yellow Gold

GIA Certified Art Deco Natural Pearl Platinum Ring
GIA Certified Art Deco Natural Pearl Platinum Ring

GIA Certified Art Deco Natural Pearl Platinum Ring

Located in Miami, FL

measuring 9.6 mm in diameter surrounded by 29 Old European Cut diamonds weighing approximately .30 carats

Category

20th Century American Art Deco More Rings

Materials

Diamond, Natural Pearl, Platinum

1970s Modernist Geometric Three Dimensional Diamond Yellow Gold Ring
1970s Modernist Geometric Three Dimensional Diamond Yellow Gold Ring

1970s Modernist Geometric Three Dimensional Diamond Yellow Gold Ring

Located in Miami Beach, FL

triangle is a diamond that weight approximately .05 carats for a total approximate weight of .30 carats

Category

Vintage 1970s Cocktail Rings

Materials

Diamond, 14k Gold, Yellow Gold

Gin & Grace 14K Yellow Gold Mozambique Ruby and Pink Opal Ring with Diamond
Gin & Grace 14K Yellow Gold Mozambique Ruby and Pink Opal Ring with Diamond

Gin & Grace 14K Yellow Gold Mozambique Ruby and Pink Opal Ring with Diamond

Located in New York, NY

, Round Cut Diamond (30 Pcs) 0.28 Carat. This Ring is weight 2.34 grams. This delicate Ring is polished to

Category

21st Century and Contemporary Chinese Art Deco Cocktail Rings

Materials

Diamond, Opal, Ruby, 14k Gold, Yellow Gold

Oval Ruby and Diamond Accent Art Deco Style Ring in 18k White Gold
Oval Ruby and Diamond Accent Art Deco Style Ring in 18k White Gold

Oval Ruby and Diamond Accent Art Deco Style Ring in 18k White Gold

Located in Bangkok, TH

Average Color: H Average Clarity: SI Size: 1 – 1.3 mm. Number: 30 Weight: 0.27 Carat (approx.) This ring

Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Certified Diamond and Emerald Art Deco Style Engagement Ring in 18k White Gold
Certified Diamond and Emerald Art Deco Style Engagement Ring in 18k White Gold

Certified Diamond and Emerald Art Deco Style Engagement Ring in 18k White Gold

Located in Bangkok, TH

Average Clarity: SI Size: 1.3 – 1.6 mm. Number: 30 Weight: 0.35 Carat (approx.) This ring is ready to

Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

30 Carat Kunzite and Diamond Ring Converts To A Necklace
30 Carat Kunzite and Diamond Ring Converts To A Necklace

30 Carat Kunzite and Diamond Ring Converts To A Necklace

Located in Santa Barbara, CA

ginormous, 30 carat blush pink Kunzite, this heirloom was custom made by a master jeweler for an Encino

Category

Vintage 1980s Contemporary Pendant Necklaces

Materials

Diamond, Kunzite, Gold, 14k Gold, Yellow Gold

Thin Moissanite Wedding Band, 14K Rose Gold, Stackable
Thin Moissanite Wedding Band, 14K Rose Gold, Stackable

Thin Moissanite Wedding Band, 14K Rose Gold, Stackable

Located in McLeansville, NC

brilliant cut moissanites weighing approximately .30 total carats and with a thin band. Stones

Category

Early 2000s Band Rings

Materials

Gold, 14k Gold, Rose Gold

30 Carat Cabochon Ruby Ring
30 Carat Cabochon Ruby Ring

30 Carat Cabochon Ruby Ring

Located in Litchfield, CT

Circa 1960s, 14k. This bold sixties ring is set with a 30 carat raspberry red ruby cabochon. The

Category

Vintage 1960s Cocktail Rings

Materials

Ruby, 14k Gold, Yellow Gold

30 Carat Aquamarine Ring  GIA
30 Carat Aquamarine Ring  GIA

30 Carat Aquamarine Ring GIA

Located in Litchfield, CT

Circa 1960s, 14k. Brilliantly vintage and timelessly au-courant, this jewel features a 30.0-carat

Category

Vintage 1960s American Cocktail Rings

Materials

Aquamarine, 14k Gold

Aquamarine Ring Light Blue 30 Carats
Aquamarine Ring Light Blue 30 Carats

Aquamarine Ring Light Blue 30 Carats

Located in Northampton, MA

This 30-carat (24.51mm x 18.50mm x 12.93) light, fresh blue aquamarine is just impossible to look

Category

2010s American Contemporary Cocktail Rings

Materials

Aquamarine, 14k Gold

30 Carat Aquamarine Set Gold Ring
30 Carat Aquamarine Set Gold Ring

30 Carat Aquamarine Set Gold Ring

Located in Litchfield, CT

-forward sixties rings like this one. Art Deco becomes modernism with a vibe that is sleek, chic and

Category

Vintage 1960s Swiss Cocktail Rings

Materials

Aquamarine, 18k Gold, White Gold

Denise Roberge 30 Carat Tourmaline Gold Ring
Denise Roberge 30 Carat Tourmaline Gold Ring

Denise Roberge 30 Carat Tourmaline Gold Ring

By Denise Roberge

Located in Litchfield, CT

vivid 30-carat pink tourmaline. Crafted in warm twenty-two-karat gold, the stone’s big look is accented

Category

Early 2000s American Modernist Cocktail Rings

Materials

Tourmaline, 22k Gold

30 Carat Aquamarine and Diamond set Platinum Ring
30 Carat Aquamarine and Diamond set Platinum Ring

30 Carat Aquamarine and Diamond set Platinum Ring

Located in Litchfield, CT

Circa 1950s, platinum, Brazil. This gorgeous fifties ring is set with a large deep blue 30 carat

Category

Vintage 1950s Brazilian Cocktail Rings

Materials

Aquamarine, Diamond, Platinum

30 Carat Modernist Citrine Ring by Weber & Cie
30 Carat Modernist Citrine Ring by Weber & Cie

30 Carat Modernist Citrine Ring by Weber & Cie

Located in Litchfield, CT

Circa 1950s, 18k, by Weber & Cie, Geneva, Switzerland. Set with a luminous 30.0 carat yellow-gold

Category

Vintage 1950s Swiss Fashion Rings

Materials

Citrine, 18k Gold, Yellow Gold

30 Carat emerald cut Smoky Quartz gold Ring
30 Carat emerald cut Smoky Quartz gold Ring

30 Carat emerald cut Smoky Quartz gold Ring

Located in Miami, FL

14k yellow gold vintage ring featuring an emerald cut smoky quartz weighing approximately 30cts

Category

21st Century and Contemporary American Fashion Rings

Materials

Quartz, 14k Gold, Yellow Gold

.30 Carat Total Weight Ruby Yellow Gold Engagement Ring
.30 Carat Total Weight Ruby Yellow Gold Engagement Ring

.30 Carat Total Weight Ruby Yellow Gold Engagement Ring

Located in Hicksville, NY

: Natural Ruby Shape: Antique Cushion Carat Weight: .30 carat, total weight. Color: Reddish Pink Side Stone

Category

Antique 1880s Unknown Victorian Engagement Rings

Materials

White Diamond, Ruby, 9k Gold, Yellow Gold

Unique Rare Custom 30 Carat Topaz Sterling Silver Ring
Unique Rare Custom 30 Carat Topaz Sterling Silver Ring

Unique Rare Custom 30 Carat Topaz Sterling Silver Ring

By Aria Jewelry Design

Located in Raleigh, NC

Gloriously beautiful HUGE 30 carat blue Topaz (20 mm x 18 mm) sparkles magnificently in its

Category

21st Century and Contemporary American Cocktail Rings

Materials

Topaz, Sterling Silver

30 Carat Emerald Cut Amethyst Cocktail Ring in 14 Karat Yellow Gold
30 Carat Emerald Cut Amethyst Cocktail Ring in 14 Karat Yellow Gold

30 Carat Emerald Cut Amethyst Cocktail Ring in 14 Karat Yellow Gold

Located in New York, NY

Approximately 30 Carat Emerald Cut Amethyst Cocktail Ring in 14 Karat Yellow Gold Size 9 18 x 21

Category

2010s Cocktail Rings

Materials

Amethyst, 14k Gold, Yellow Gold

30 Carat Blue Star Sapphire Cabochon Diamond Baguette Platinum Ring
30 Carat Blue Star Sapphire Cabochon Diamond Baguette Platinum Ring

30 Carat Blue Star Sapphire Cabochon Diamond Baguette Platinum Ring

Located in Berkeley, CA

30 carats blue denim color sapphire cabochon with a very distinguish Star, surrounded by the most

Category

Vintage 1960s American Modernist Cocktail Rings

Materials

Star Sapphire, Diamond, Platinum

Spectacular Brutalist 30 Carat Blue Tourmaline and White Gold Ring
Spectacular Brutalist 30 Carat Blue Tourmaline and White Gold Ring

Spectacular Brutalist 30 Carat Blue Tourmaline and White Gold Ring

Located in Litchfield, CT

Circa 1960s, 18k, Swiss. This stunning modernist ring features a magnificent and rare 30 carat

Category

Vintage 1960s Swiss Modernist Cocktail Rings

Materials

Tourmaline, 18k Gold

Diamond and Sapphire Ring, 14 Karat Rose Gold Milgrain Round Cut .30 Carat
Diamond and Sapphire Ring, 14 Karat Rose Gold Milgrain Round Cut .30 Carat

Diamond and Sapphire Ring, 14 Karat Rose Gold Milgrain Round Cut .30 Carat

Located in Greensboro, NC

sapphire accents. This ring is a size 6 1/2 - 6 3/4. Please contact us for a quote on re-sizing this ring

Category

21st Century and Contemporary Unknown Band Rings

Materials

Diamond, Blue Sapphire, 14k Gold, Rose Gold

30 Carat Aquamarine and Diamond Ring in 14 Karat Yellow Gold
30 Carat Aquamarine and Diamond Ring in 14 Karat Yellow Gold

30 Carat Aquamarine and Diamond Ring in 14 Karat Yellow Gold

Located in Dallas, TX

What a statement! This ring features a stunning 30 carat emerald cut aquamarine with diamond

Category

Vintage 1940s Unknown Retro Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold, Yellow Gold

2.98 Carat Green Sapphire Ring 14 Karat Yellow Gold Statement OOAK AD1749-30
2.98 Carat Green Sapphire Ring 14 Karat Yellow Gold Statement OOAK AD1749-30

2.98 Carat Green Sapphire Ring 14 Karat Yellow Gold Statement OOAK AD1749-30

Located in Osprey, FL

♥ Solid 14K yellow gold ring with an emerald-shaped green sapphire in the center, flanked by blue

Category

2010s American Engagement Rings

Materials

Sapphire, Green Sapphire, 14k Gold, Yellow Gold

Amethyst Oval of 30 carats in Sterling Silver Ring February Birthstone
Amethyst Oval of 30 carats in Sterling Silver Ring February Birthstone

Amethyst Oval of 30 carats in Sterling Silver Ring February Birthstone

By Aria Jewelry Design

Located in Raleigh, NC

and weighs in at 30 carats. Amethyst is the February birthstone. Sizable 7.5 More from this

Category

21st Century and Contemporary Artisan Cocktail Rings

Materials

Amethyst, Sterling Silver

Huge Ruby Cabochon 30 carats 14K
Huge Ruby Cabochon 30 carats 14K

Huge Ruby Cabochon 30 carats 14K

Located in North Hollywood, CA

This huge Ruby Cabochon is remarkable. It is over 30 carats and sits on the finger very nicely

Category

Vintage 1980s American Artisan Dome Rings

Materials

Diamond, Pearl, Ruby, 14k Gold

Vintage Mens Large 30 Carat Lavender Cabochon Jade Ring 14k Yellow Gold
Vintage Mens Large 30 Carat Lavender Cabochon Jade Ring 14k Yellow Gold

Vintage Mens Large 30 Carat Lavender Cabochon Jade Ring 14k Yellow Gold

Located in Honolulu, HI

Yellow Gold Total Weight: 26.7Grams Jade Carat Weight: ~ 30 carats Jade Measurements: ~ 23 mm x 18 mm

Category

Late 20th Century Unknown Modern Cocktail Rings

Materials

Jade, 14k Gold, Yellow Gold

.30 Carat Round Brilliant Diamond Ring, 14 Karat Gold Milgrain Wedding Band
.30 Carat Round Brilliant Diamond Ring, 14 Karat Gold Milgrain Wedding Band

.30 Carat Round Brilliant Diamond Ring, 14 Karat Gold Milgrain Wedding Band

Located in Greensboro, NC

, this NEW 14k white gold ring showcases radiant diamonds outlined by sweet milgrain borders. This

Category

21st Century and Contemporary Unknown Wedding Rings

Materials

Diamond, 14k Gold, White Gold

.30 Carat Total Weight Art Deco Pearl 14 Karat Yellow Gold Engagement Ring
.30 Carat Total Weight Art Deco Pearl 14 Karat Yellow Gold Engagement Ring

.30 Carat Total Weight Art Deco Pearl 14 Karat Yellow Gold Engagement Ring

Located in Hicksville, NY

Details: Natural Seed Pearls, .30 carat total weight, pinkish white luster Finger to Top of Stone

Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Pearl, Yellow Gold

Large 14 Karat White Gold Ring Set with Huge Aquamarine circa 30 Carat
Large 14 Karat White Gold Ring Set with Huge Aquamarine circa 30 Carat

Large 14 Karat White Gold Ring Set with Huge Aquamarine circa 30 Carat

Located in Berlin, DE

about 17mm x 24mm x 11mm (about 30 carats). Additionally set with 8 diamonds in top quality and color

Category

20th Century Modern Fashion Rings

Materials

White Diamond, Aquamarine, 14k Gold, White Gold

30 Carat Aquamarine Rose Cut Diamond Ruby Ring 18 Karat Gold Antique Cocktail
30 Carat Aquamarine Rose Cut Diamond Ruby Ring 18 Karat Gold Antique Cocktail

30 Carat Aquamarine Rose Cut Diamond Ruby Ring 18 Karat Gold Antique Cocktail

Located in New York, NY

We are so delighted to have this extraordinary 30 Carat antique natural Aquamarine Rose Cut Diamond

Category

20th Century Georgian Cocktail Rings

Materials

Aquamarine, Diamond, Ruby, Gold, Yellow Gold, 18k Gold, Silver

.30 Carat Total Weight Ruby Platinum Wedding Band
.30 Carat Total Weight Ruby Platinum Wedding Band

.30 Carat Total Weight Ruby Platinum Wedding Band

Located in Hicksville, NY

Carat Weight: .30 carat total weight Color: Natural Ruby Side Stone Details: Shape: Antique Single Cut

Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

White Diamond, Ruby, Platinum

Retro Men's Gold Ring Natural Opal Gem Stone and .30 Carat Diamond, circa 1970
Retro Men's Gold Ring Natural Opal Gem Stone and .30 Carat Diamond, circa 1970

Retro Men's Gold Ring Natural Opal Gem Stone and .30 Carat Diamond, circa 1970

Located in Los Angeles, CA

Carat (H SI) Natural Diamonds, Circa 1970. Weight of the ring is 11.57 grams. Shipped with USPS First

Category

Vintage 1970s Unknown Retro Cocktail Rings

Materials

Diamond, Opal, Gold, 14k Gold

Tiffany & Co .30 Carat Diamonds by the Yard Band Ring, 950 Platinum Elsa Peretti
Tiffany & Co .30 Carat Diamonds by the Yard Band Ring, 950 Platinum Elsa Peretti

Tiffany & Co .30 Carat Diamonds by the Yard Band Ring, 950 Platinum Elsa Peretti

By Elsa Peretti for Tiffany & Co.

Located in Greensboro, NC

, this Diamonds by the Yard band ring is created in 950 platinum and hosts five sparkling white diamonds

Category

21st Century and Contemporary Band Rings

Materials

White Diamond, Platinum

.30 Carat Total Weight Ruby Platinum Wedding Band for Shanth
.30 Carat Total Weight Ruby Platinum Wedding Band for Shanth

.30 Carat Total Weight Ruby Platinum Wedding Band for Shanth

Located in Hicksville, NY

Carat Weight: .30 carat total weight Color: Natural Ruby Side Stone Details: Shape: Antique Single Cut

Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

White Diamond, Ruby, Platinum

Tiffany & Co. Diamond 18 Karat Rose Gold Band, Rose Gold Tiffany & Co. Ring, .30
Tiffany & Co. Diamond 18 Karat Rose Gold Band, Rose Gold Tiffany & Co. Ring, .30

Tiffany & Co. Diamond 18 Karat Rose Gold Band, Rose Gold Tiffany & Co. Ring, .30

By Tiffany & Co.

Located in Austin, TX

is stunning with bright white round brilliant diamonds. This ring has .30 carats total diamond weight

Category

21st Century and Contemporary American Contemporary Wedding Rings

Materials

Diamond, White Diamond, 18k Gold, Rose Gold

Art Deco Orange Blossom 14 Karat White Gold .30 Carat Diamond Wedding Band
Art Deco Orange Blossom 14 Karat White Gold .30 Carat Diamond Wedding Band

Art Deco Orange Blossom 14 Karat White Gold .30 Carat Diamond Wedding Band

Located in Great Neck, NY

Beautiful Antique Art Deco Orange Blossom 14K White Gold .30 ct Old European Cut Diamond Wedding

Category

Vintage 1920s American Art Deco Band Rings

Materials

Diamond, White Gold

Pink Sapphire and Diamond Invisible Ring 1.70 Carat, Vibrant Pink Color
Pink Sapphire and Diamond Invisible Ring 1.70 Carat, Vibrant Pink Color

Pink Sapphire and Diamond Invisible Ring 1.70 Carat, Vibrant Pink Color

Located in Laguna Hills, CA

carats Diamonds measure 1 mm and weigh approximately .30 carats Total weight of the ring is 1.70 carats

Category

21st Century and Contemporary Unknown Contemporary Band Rings

Materials

Diamond, Pink Sapphire, 14k Gold, White Gold

Fabulous Huge 12.4 Carat Emerald Cut Aquamarine and Diamond Yellow Gold Ring
Fabulous Huge 12.4 Carat Emerald Cut Aquamarine and Diamond Yellow Gold Ring

Fabulous Huge 12.4 Carat Emerald Cut Aquamarine and Diamond Yellow Gold Ring

Located in Tustin, CA

mm in diameter and weigh approximately .30 carats. Face of ring measures 12.2 mm x 19.24 mm x 9.74

Category

Vintage 1970s American Contemporary Cocktail Rings

Materials

Aquamarine, White Diamond, 14k Gold, Yellow Gold

Vivid Modern 23 Carat Swiss Blue Topaz Diamond Custom White Gold Cocktail Ring
Vivid Modern 23 Carat Swiss Blue Topaz Diamond Custom White Gold Cocktail Ring

Vivid Modern 23 Carat Swiss Blue Topaz Diamond Custom White Gold Cocktail Ring

Located in Tustin, CA

diamonds measure .75 mm each and weigh approximately .30 carats. Face of ring measures 25.8 mm long x

Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

White Diamond, Topaz, 14k Gold, White Gold

Crown Emerald Ring w Diamonds 18k Custom Royal Crown Ring made for a Princess
Crown Emerald Ring w Diamonds 18k Custom Royal Crown Ring made for a Princess

Crown Emerald Ring w Diamonds 18k Custom Royal Crown Ring made for a Princess

Located in Austin, TX

of 0.50 carats and a total emerald weight of .30 carats. The top of the ring is 19.85 millimeters

Category

2010s American Renaissance Wedding Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Modernist Kinetic Spinning Dice Ring
Modernist Kinetic Spinning Dice Ring

Modernist Kinetic Spinning Dice Ring

Located in Northampton, MA

carats. The ring is expertly made, cast in 14K yellow gold. An unknown maker's mark is on the interior

Category

Mid-20th Century Unknown Artisan Fashion Rings

Materials

Diamond, 14k Gold

14K Yellow Gold Emerald and Diamond Ring 4.3g
14K Yellow Gold Emerald and Diamond Ring 4.3g

14K Yellow Gold Emerald and Diamond Ring 4.3g

Located in Laguna Beach, CA

brilliant cuts and .30 total carats. The ring measures 4mm wide at the top. Ring size is 7 1/2 and can be

Category

Mid-20th Century Band Rings

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

Natural Blue Cabochon Sapphire Diamond Yellow Gold Men's Ring
Natural Blue Cabochon Sapphire Diamond Yellow Gold Men's Ring

Natural Blue Cabochon Sapphire Diamond Yellow Gold Men's Ring

Located in Boca Raton, FL

weighing .30 carat total weight. The ring measures 14mm in width, and is currently size 11 (can be sized).

Category

Late 20th Century Unknown Contemporary More Rings

Materials

Diamond, Sapphire, Blue Sapphire, Yellow Gold

Natural Emerald Cushion Ring Set in 18 Karat Gold with Diamonds
Natural Emerald Cushion Ring Set in 18 Karat Gold with Diamonds

Natural Emerald Cushion Ring Set in 18 Karat Gold with Diamonds

By JEWEL HUB

Located in Hong Kong, HK

and originates from Zambia. Weight of emerald is 5.28 carats and diamond weight is .30 carats. The

Category

2010s Indian Modern Band Rings

Materials

Diamond, Emerald, Gold

Tiffany & Co. Channel Set Semi Eternity Diamond Wedding Band Ring in Platinum
Tiffany & Co. Channel Set Semi Eternity Diamond Wedding Band Ring in Platinum

Tiffany & Co. Channel Set Semi Eternity Diamond Wedding Band Ring in Platinum

By Tiffany & Co.

Located in Scottsdale, AZ

-VS2 in clarity and total approximately .30 carats. This is an estate ring that has been

Category

21st Century and Contemporary Unknown Contemporary Band Rings

Materials

Diamond, Platinum

Gin & Grace 14K Yellow Gold Mozambique Ruby and Pink Opal Ring with Diamond
Gin & Grace 14K Yellow Gold Mozambique Ruby and Pink Opal Ring with Diamond

Gin & Grace 14K Yellow Gold Mozambique Ruby and Pink Opal Ring with Diamond

Located in New York, NY

, Round Cut Diamond (30 Pcs) 0.28 Carat. This Ring is weight 2.34 grams. This delicate Ring is polished to

Category

21st Century and Contemporary Chinese Art Deco Cocktail Rings

Materials

Diamond, Opal, Ruby, 14k Gold, Yellow Gold

4.91 Carat Oval Blue Sapphire and Diamond Ring
4.91 Carat Oval Blue Sapphire and Diamond Ring

4.91 Carat Oval Blue Sapphire and Diamond Ring

By David Gross Group

Located in New York, NY

.30 carats set in a platinum ring.

Category

2010s American Contemporary Fashion Rings

Materials

White Diamond, Blue Sapphire, Platinum

30 Carat Aquamarine Ring
30 Carat Aquamarine Ring

30 Carat Aquamarine Ring

Located in Lake Forest, IL

White gold ring set with an estimated 30ct Aquamarine. The stone measures 22.55 x 16.48 x 10.55mm

Category

20th Century Cocktail Rings

Materials

Aquamarine, 18k Gold

30 Carat Oval Star Sapphire Ring
30 Carat Oval Star Sapphire Ring

30 Carat Oval Star Sapphire Ring

Located in Aliso Viejo, CA

grey star sapphire that weighs apprx. 30 carats and has measurements of 16.2 x 13.3 x 13.1 mm The

Category

Vintage 1950s American Retro Cocktail Rings

Materials

Star Sapphire, 18k Gold

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30 Carat Ring For Sale on 1stDibs

You are likely to find exactly the 30 carat ring you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. You can easily find a 434 antique edition and 665 modern creations to choose from as well. You’re likely to find the perfect 30 carat ring among the distinctive items we have available, which includes versions made as long ago as the 19th Century as well as those produced as recently as the 21st Century. For this particular piece, .5 Carat and 1 Carat are consistently popular carat weights. Creating a 30 carat ring has been a part of the legacy of many jewelers, but those produced by LB Exclusive, Antinori Fine Jewels and Luigi Ferrara are consistently popular. A 30 carat ring can make for a versatile accessory, but a selection from our variety of 818 Diamond versions can add an especially stylish touch. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and emerald cut cut versions available here, too. If you’re browsing our inventory for a 30 carat ring, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a 30 Carat Ring?

On average, a 30 carat ring at 1stDibs sells for $3,576, while they’re typically $328 on the low end and $1,875,000 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.  

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 30 Carat Ring
  • 1stDibs ExpertApril 5, 2022
    Whether or not a 4-carat ring is big is largely a matter of personal opinion. However, 4-carat stones usually do have larger dimensions. Diamonds of this size are usually quite expensive due to their size. Shop a large selection of gemstone rings on 1stDibs.
  • 1stDibs ExpertJanuary 23, 2024
    There is no rule for how many carats are best for a wedding ring. In fact, some wedding bands feature no gemstones at all and therefore have no carat weight ratings. Also, wedding bands set with multiple stones, like eternity bands, will have higher total carat weights because of the larger number of gems. When selecting wedding rings, focus on what appeals to you and fits your budget. On 1stDibs, find a large collection of wedding rings.
  • 1stDibs ExpertNovember 2, 2023
    There is no rule for how many carats a diamond wedding ring should be. You're free to choose a ring with a carat weight that appeals to you and fits your budget. The average carat weight for diamond wedding rings is 1 to 1.9 carats. Shop an assortment of diamond wedding rings on 1stDibs.
  • 1stDibs ExpertNovember 14, 2023
    The most popular carat size for engagement rings varies from country to country. In the US, the average size is around one carat. However, engagement rings tend to be smaller in other places. For example, the average is 0.6 carats in the UK and around 0.5 carats in western Europe. On 1stDibs, shop a diverse assortment of engagement rings.
  • 1stDibs ExpertApril 5, 2022
    Hailey Bieber’s engagement ring features a six-carat oval-cut solitaire diamond. It features a simple band that keeps the focus on the stone. On 1stDibs, find a range of solitaire engagement rings from some of the top boutiques around the world.
  • 1stDibs ExpertFebruary 1, 2024
    Elizabeth Taylor's famous diamond ring was 33.19 carats. Although many people believe the Krupp diamond ring was an engagement gift, Richard Burton actually bought the gorgeous Asscher-cut ring to mark their five-year anniversary. For their engagement, Burton presented Taylor with an 18.61-carat emerald and diamond pendant made by Bulgari. The pendant detached from its necklace and could double as a brooch. Explore a large selection of diamond rings on 1stDibs.
  • 1stDibs ExpertMarch 3, 2023
    Whether 2-carat is a good size for an engagement ring is a matter of personal opinion. Due to its size, a 2-carat gemstone will likely stand out and get noticed. However, some people prefer smaller engagement rings, especially if they work with their hands. Carat weight is also not the most important signifier of a stone’s value. 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. On 1stDibs, shop a collection of engagement rings.