30 Carat Diamond Ring

We invite you to see more of our collection from Cober Jewellery at 1stDibs! You can type Cober Jewellery in the search bar to view more of our webshop. “Engraved Cluster” with a ye...

5.5 Size 30 ct Ruby 2 ct Diamond Ring set in 14K Gold and Silver. The Ruby is set with Polki Diamonds all around and a line of pave diamonds. The ring shank is nicely carved and has ...

18 Karat White Gold 30 Carat Aquamarine Diamond Ruby Cocktail Ring A sturdy ring build to last.

Approximately 30 carats, cushion, statement ring, diamond ring.

Approximately 30 carats, cushion, statement ring, diamond ring.

Thirty Carat Royal Blue Sapphire Diamond Costume Jewelry Cluster Ballerina Ring Magnificent Royal Blue Manmade 30 Carat Sapphire and Lab CZ Diamond Winston Style Cluster Cocktail ri...

This D Color Internally Flawless diamond ring is a testament to extraordinary rarity and unmatched craftsmanship. Featuring a GIA-certified diamond of the highest D color grade, this...

This exquisite custom made ring is made of 18kt white gold. It showcases a rare 30Ct natural Brazilian emerald of a blue-ish/green color (certified by IGI, certificate copy attached ...

Diamond color : E Diamond quality : VS Metal: 18 carats gold - 750/1000 Total weight : 3.5 grams Total diamond weight : 0.45 carat
Made in France in our Atelier Reflecting uncompro...

Diamond color : E Diamond quality : VS Metal: 18 carats gold - 750/1000 Total weight : 3.5 grams Total diamond weight : 0.45 carat
Made in France in our Atelier Reflecting uncompro...

Art Deco ring in 18Kt white gold (hallmark: eagle) set with an emerald cut emerald weighing approximately 1.30 Cts, surrounded with old cut diamond which total weight is apx 0.65 Ct,...

Approximately 30 carats, emerald, statement ring, diamond ring.

Cognac colored Diamond. VS set in an 18 Carat yellow gold ring, surrounded with a total of 30 Brilliant-cut Diamonds F/E with a total weight of 0,70 ct.

Cognac colored Diamond. VS set in an 18 Carat yellow gold ring, surrounded with a total of 30 Brilliant-cut Diamonds F/E with a total weight of 0,70 ct.

"Black Sand" Perfectly blends nature with modern innovation, lightness, and durability. Delicately crafted in 18K yellow gold with a 13mm Tahitian Pearl and .30 ct of F VS1 brilliant...

The total weight of the diamonds are .30 carat. Ring Size 7 GIA Gemologist inspected & appraised

Tiffany & Co Enchanted garden diamond flower platinum ring. 26 round brilliant cut diamonds set in a platinum setting. 26 round brilliant cut F-G VS diamonds, Approximate .30cts Si...

A stunning 18k white Gold ring with aquamarine, diamonds, and rubies. This beautiful ring from 1970 features a large natural Aquamarine of the greatest quality with an approximate w...

Material: 14k white gold Diamond Details: Approximately 5ctw of round brilliant diamonds. Diamonds are G/H in color and VS in clarity Gemstone Details: 30ct oval cabochon emerald Rin...

PLEASE CHECK OUT THE HD VIDEO! This is a two piece set. Both original CARTIER from the 1990's. No boxes or papers, just the beautiful jewelry! The bangle has about 30Cts of diamonds ...

In total, this ring measures .30 carats and is a size 5. The band tapers from 10.3mm to 3.2mm and wears comfortably.

This is a very beautiful platinum ring mounting with melee diamonds 0.30ct in total weight with stamp of TACORI brand. You can use any gem as a center stone est. fit 0.55 - 0.65ct (...

Bright and sparkly diamond engagement ring. Set with a .30ct round brilliant cut center diamond and mounted in a 14k white gold setting. A halo of round brilliant cut diamonds surrou...

Art Deco diamond engagement ring. Center round diamond set in square setting with geometric designs set with round diamonds to the sides and top and bottom. 1 round Old European Q-R...

Classic diamond and platinum engagement ring by Cartier. It features high grade round brilliant cut diamonds throughout the sides with a .30ct central stone, E color, VS1 clarity, a...

Style and elegance are embodied in this gorgeous platinum ring by Van Cleef & Arpels that is crafted in a classic ring design. The sensational ring's top sparkles with a stunning F-c...

A classic, Cocktail ring Large size Colombian cabochon approximately 30 Carat Emerald and Diamond Ring, Estate with no color enhancement.

.30ct Round diamonds ring Adjustable wear Size 6-7. G- color Vs-2 clarity 5.6mm wide 5.7 grams. Durable Make. 18kt. yellow gold

A 14 karat yellow gold, sapphire an diamond navette statement ring. This ring features a prong set, oval cut sapphire weighing approximately 1 carat surrounded by full cut round diam...

This ring has .30 carats total diamond weight and VS2 clarity and G color diamonds.

Designed as two intertwined snakes, each with a flush set old European cut diamond, approximately 0.30 carats total, G/H color and VS to SI clarity With petite round cut ruby eyes, ...

Size 6.5 Complimentary sizing as needed Emerald, .30 carats Diamonds, .13 carats each

This ring has .30 carats total diamond weight. The beautiful 18 karat rose gold looks stunning paired with any engagement ring, stack-able band collection or on its own.

This ring has .30 carats total diamond weight. The beautiful 18 karat rose gold looks stunning paired with any engagement ring, stack-able band collection or on its own.

1930's Granat Brothers domed three row single cut diamond wedding band, set in platinum. 25 single cut diamonds G VS-SI, approx. .30cts Size 6.5 and sizable Platinum Stamped: PLAT...

Faceted square cut aquamarine measures 22mm x 18.5mm (estimated at 30 carats) is accented with six estimated 0.05 carat round brilliant cut diamonds.

Dressed up or down, this botanical ring will be a delightful addition to any ensemble! Composed of 14k white gold, this NEW band showcases an open cut face which features a curved le...

Whether it is worn solo or paired with your engagement piece, this stunning wedding band will be a gorgeous symbol of your everlasting love and marriage vows. This NEW ring showcases...

Vintage Intertwined Classic Yin-Yang Ring .30ct Natural Round diamonds ring. Diamonds: Vs-2 clarity, H-color. 20mm wide top deck size Depth of ring 9mm Size 7 and can be sized. ...

14 Karat Yellow Gold Old European Cut .30 Carat Diamond Engagement Ring Size 6.25 Metal: 14k yellow gold Weight: 2.24 grams Diamond: Old European Cut, approx. .30 carat I-J VS Band ...

Gabriel & Co. 14 Karat White Gold .30 Carat Natural Diamond Wedding Band Ring Metal: 14k white gold Weight: 1.86 grams Diamonds: Approx. .30 CTW G-H VS natural diamonds Size: 6.5 (US...

Tacori 18 Karat White Gold .30 Carat Natural Diamond Eternity Band Wedding Ring Metal: 18k white gold Weight: 2.79 grams Diamonds: Approx. .30 CTW G VS round natural diamonds Size: ...

Designer: custom design Material: 14k white gold Diamonds: 13 round brilliant cut= .30cttw Color: G Clarity: VS Size: 8 ¼ (please allow two additional shipping days for sizing reques...

Designer: custom design Material: 14k white gold Diamonds: 13 round brilliant cut= .30cttw Color: G Clarity: VS Size: 8 ¼ (please allow two additional shipping days for sizing reques...

Size: 6 1/4 Sizing Fee: Up 2 sizes or Down 1 size for $25 Metal Content: 14k White Gold Stone Information: Natural Diamonds Clarity: SI1 - SI2 Color: G Cut: Round Brillian...

This ring is a size 8, but it can be re-sized up 2 sizes for a $25 fee or down 2 sizes for a $20 fee. Once a ring is re-sized, we guarantee the work but we are unable to offer a refu...

Absolutely mind blowing 30.91 ct. fancy yellow VS2 radiant diamond with two good quality, white, and bright white diamond baguettes. Handmade in 18k yellow gold and platinum. Ring ...

This ring is a size 8, but it can be re-sized up 2 sizes for a $25 fee or down 2 sizes for a $20 fee. Once a ring is re-sized, we guarantee the work but we are unable to offer a refu...

Thin Band, Flat profile. .30ct Natural Diamonds Full cut, Rounds G color, vs2 clarity 18kt. white gold 2.1 Grams 2.2mm wide (top diamond row) 1.6mm depth current size: 5.5 ...

Based on a size 6 and made to order in any finger size, this hand made eternity band is designed and manufactured in our own facilities here in Nyc! Approximately 14 diamonds total 4...

Fine Kunzite, diamond and 18K yellow gold large vintage ring. This fancy cut natural "bubble-gum" pink kunzite is estimated to weigh 30+ cts. The stone is well cut as evident of the ...

Hallmarks: PT900 Composition: Platinum Primary Stone: Boulder Opal Stone Carat: Approximately 5.12 carats Accent Stone: Diamonds Color/Clarity: F/G Vs1/2 Total Diamond Weight:...

The ring is a size 7 and weighs 3.5 grams Era: Art Deco 1920's Hallmarks: F28 Composition: Platinum Primary Stone: Natural Blue Oval Cut Sapphire Stone Carat: .51 Carats Accent...

Victorian symbols of friendship and trustworthiness, these snake rings were popular as gifts. Featuring meticulous construction with a sleek design accented by a .30 carat diamond a...

Circa 1920s, Platinum. Set with a 3.5 carat vivid blue aquamarine accented by .30 carats of white diamonds, this ring is Art Deco at its vintage best.

A stunning vintage 1950s 11.81 carat aquamarine and platinum cocktail ring; part of our diverse gemstone jewelry and estate jewelry collections This stunning, fine and impressive vi...

Vintage 1950-1960 6.07ct cushion cut Sapphire engagement ring with straight baguette accents in Platinum. GIA certified natural corundum simple heat only. 1 cushion cut dark blue S...

An exquisite three stone ring featuring a beautiful cushion shaped royal blue sapphire weighing 4.09ct in an open back, four claw setting. This gorgeous stone is accompanied by two c...

This is an amazing platinum engagement ring. The ring is centered with a lovely oval cut sapphire that weighs 6.22ct. The sapphire is accentuated by sparkling trilliant and round cut...

An 18k white gold statement ring set with a square step-cut aquamarine of ca. 14.50ct., flanked by 12 brilliant-cut diamonds, six on each side set in a triangle. The diamonds have ...

GIA certified 16.70-carat emerald-cut aquamarine at its center, accented by 0.69 carats total weight of round-cut diamond vintage platinum 900 cocktail ring. Ring size 7, adjustable....

This 100% authentic Hermès Kelly 32 Sellier Bag in Marron is exquisitely crafted from shiny porosus crocodile leather, showcasing a rich, deep brown hue with a luminous finish. Const...

11.10 Carats Natural Red Ruby and Diamond 14K Solid Yellow Gold Ring Total Red Ruby Weight is: Approx. 9.40 Carats Natural Oval Red Ruby Measures: Approx. 16.00 x 11.00mm Ruby tre...

In classic Art Deco style this five stone diamond ring is made up of squares and panels of platinum. The old European cut diamonds total 25pts and are set upon an open work gallery. ...

A platinum and 18K yellow gold ring showcasing a 6.18 carat natural Colombian emerald-cut emerald accented by trillion-cut diamonds and natural fancy yellow diamonds. The emerald is...

Dalben design One of a kind 18k yellow gold semi lucid finishing dangle earrings with six blue - green bezel set Australian Boulder Opals weighing 9,6 carats. max width 11-12 mm h...

I LOVE the vintage design of this Round Sapphire Floral Diamond Ring Engagement Ring Wedding Ring! Simply stunning, and the sparkle is amazing! The design is a unique vintage floral ...

Ceil Chapman Stunning ivory brocade jeweled empire gown c 1960s The exquisite brocade gown is designed with an elaborate jewel encrusted midriff; embellished with glittering cryst...

Magnificent Diamond Earrings. These stunning earrings feature 3.13 J-SI1 Cts and 3.16 Cts J-SI2, GIA Certified. 1.81 Ct Asscher cut diamond with 1.30cts long baguette diamond. 9.95...

Vintage Sapphire & Diamond Cluster Ring Hallmarked 18ct Gold London 1977 This ring features an oval-cut sapphire, approximately 1.00ct, claw-set at the centre. Surrounding it is a ...

Garnet and diamonds 14k gold ring. Oval Garnet gold ring. Garnet diamond halo ring. Purplish red gemstone ring. January birthstone ring. Metal: 14k gold Weight: 2 gr depends from si...

Fine old German Alliance 5-stones Ring featuring natural brilliant and old European cut Diamonds mounted in Platinum clusters on solid 18K Yellow Gold band. Openwork crown is 17 mm...