Cobalt Ring

stunning 1.04ct cobalt spinel blue flower ring from GEMCOOK JEWELLERY. Boasting a charming cobalt blue

Among all Rare Blue Gemstones, the Cobalt Spinel possesses unique beauty factors such as sparkle

Stambolian 18K Yellow Gold Cobalt Blue Enamel Diamond Cluster Ring From the "Colors of Life

Stambolian Cabochon Tanzanite Cobalt Blue Enamel Diamond 18K Gold Cocktail Ring NO RESERVE PRICE

This beautifully crafted ring features hand selected Black Onyx beads set in 18k Yellow Gold. The

Stambolian 18K Gold and Diamonds Cobalt Blue Enamel Two Cabochon Tanzanites Ring This state of the

, surrounded by a glittering pave' of black and white diamonds Details Blue Cobalt Spinel Cocktail Ring - 18

18 Karat Rose Gold Diamond Cobalt Navy Blue and Brown Enamel Wide Band Ring Apprx. 0.50 carat G

polished cobalt. Whiter than tungsten and titanium, this wedding ring offers a perfect alternative to

Pure cobalt. Flat profile. Polished finish. Four times harder than platinum. Five times harder

Pure cobalt. Narrow width. Slight dome. No design is as classic. And while the look is understated

collection gemstones. As they are natural, the colour may vary from one creation to another. Ring Width: 6mm

Cobalt Blue Porcelain Ring adds a touch of refinement to any outfit. Its gently oval shape ensures a

ring enhanced with cobalt blue enamel scrolls and raised gold shell and foliate motifs typical of

and Diamond Ring with Cobalt Navy Blue Enamel is from the Stambolian "Colors of Life" collection

1mm (.005 carat). The natural sapphire is a lovely rich cobalt blue color. The ring is in good

Sterling silver engraved laurel leaf dome ring accented with hard Cobalt enamel. This ring measures

Distance Lug-to-Lug Width = 4 mm Thickness = 7 mm Silver Dial w/ Black Arabic Numerals and Chapter Ring w

Numbers and Chapter Ring Features Cobalt Blue Hour Hands (M + H) 9 mm Wide 11 mm Long Intricate Platinum

This ring is perfect for the colored jewelry lover. A stunning 8.80 Carat Oval shaped Tanzanite is

Circa 1780 This rare late 18th century ring is finely crafted in gold and silver. The ring

as they come. A cushion mixed cut sapphire is the center stone in this ring, a cobalt abyss that

-cut sapphire sits in the center of this ring - its cobalt facets magnified by any light it touches

One 14 karat yellow gold cobalt blue enamel oval dome ring, designed by K. Goldschmidt The ring is

sapphire hue tone color is cobalt blue New Ring Ring size 6.25 In Stock The ring can be slightly resized

in a knot motif with textured detailing and thin cobalt blue enamel lines throughout. Ring Size 7.5

cobalt blue lapis lazuli, bezel set into an oval mount. The ring is very small in scale and is ideal worn

four carats sits at the center of this ring, its smooth cobalt surface a real sight to behold. Twenty

Excellent Cobalt Blue Loose Spinel Gem of 1.80 carats from Sri lanka has a wonderful cut in a

carat weight. The color is H-I SI1 to SI2. The ring weighs 6.9 grams and is a 6.5. This cobalt blue

This 18K snake ring is enameled in Cobalt blue and has Rubies and Diamonds all around. This ring

Size: 10 1/2 Brand: Scott Kay Design: Faith Metal Content: Cobalt Style: Wedding Band without

Platinum ring set with a 2.69 carat Blue Cobalt Spinel & 58pcs. Diamonds total 0.30 carat. Ring

Elegant George III 9K gold ring decorated in cobalt blue & white enamel in a flower and leaf design

This wonderfully hand-crafted antique ring from the early 19th century displays exquisite Swiss

. Diamonds adorn the 'CC' motif, perched upon rich cobalt blue lapis lazuli. The ring is great worn alone or

wide (in very good condition and free of cracks or chips). The domed ring, set with cobalt blue lapis

East sapphire measures 1.3 millimeter The sapphire hue tone color is cobalt blue The ring can be worn

Vintage silver spiral ring with oval cobalt blue cabochon. Stamped Mexico, 925. Material: Sterling

18k yellow gold disc ring with a center .25ct old mine cut diamond and an outer circle of mine and

Beautiful and rare antique French ring, circa 1790. It is made of gold, silver, enamel and diamonds

Stambolian 18 Karat Yellow Gold Diamond Oval Labradorate Cobalt Blue Enamel Ring This ring from

Large navette shaped ring of cobalt blue enamel with a starry night design of old rose cut diamonds

. The late 18th century tradition of a ring with a cobalt or royal blue field upon which a monogram or

, only .5" in diameter yet with great detail and personality. Framed in a ring of cobalt blue enamel

Distance Lug-to-Lug Width = 4 mm Thickness = 7 mm Silver Dial w/ Black Arabic Numerals and Chapter Ring w

Distance Lug-to-Lug Width = 4 mm Thickness = 7 mm Silver Dial w/ Black Arabic Numerals and Chapter Ring w

inspiration from the calming depths of the Mediterranean Sea, this Cobalt Blue Porcelain Ring is perfect for

This stylish 9ct gold ring is a strikingly bold design. The cobalt blue of the lapis lazuli stone

Spinel and diamond ring, circa 1925. Spinel is a superb and historically important gemstone, often

Step back in time with this exquisite vintage Cartier pendant, a true gem from the 1970s. Crafted in 18K yellow gold, this pendant features a captivating fire opal, bezel set to perf...

GIA 18k Yellow Gold Natural 3.01 Carat Radiant Cut Diamond Engagement Ring This exquisite GIA-certified 18k Yellow Gold engagement ring features a 3.01-carat radiant-cut diamond, co...

Centering a cushion cut sapphire weighing approximately 1.35 carats - transparent medium blue Natural Ceylon (Sri Lankan) in origin with no indications of heat treatment Bezel set to...

A vibrant purple-pinkish red 4.16 carat cushion-cut natural untreated Spinel is the centerpiece of this ring. The vibrant gemstone is highlighted by two round brilliant cut diamonds ...

Vintage Aquamarine Ring Platinum Tested Circa 1940’s Fabulous, vintage ring. Set with a gorgeous, faceted-cushion cut, natural aquamarine. Mounted in platinum, with a beautiful h...

Antique Target Ring 18ct Yellow Gold & Platinum Circa 1920s Step into the elegance of the Art Deco era with this stunning original target ring, crafted from 18ct yellow gold and ...

White Gold Aquamarine & Diamond Ring 18ct White Gold Preloved Fabulous Deco Style Ring Beautiful Blue Aquamarine Surrounded by Brilliant White & Square Cut Diamonds Aquamarine...

Magnificent 5.03ct Royal Blue Sapphire Platinum Engagement Three Stone Diamond Ring by Merkaba Jewelry Beverly Hills. Merkaba Jewelry Beverly Hills proudly presents this magnificent...

A Ring with crown in White Gold or Platinum on solid 18K Yellow Gold band holding lab -made Red - Pink Ruby accented with 6 rose cut Diamonds. Hallmarked / tested 18K. European made...

Exceptional 5.73 Carat Natural Red Spinel – A Rare Collector's Gem By Merkaba Beverly Hills. Discover unparalleled luxury with this 5.73 carat natural Red Spinel, an extraordinary u...

Beautiful Antique Edwardian 18K Gold Platinum Old Euro Diamond Engagement Ring - GIA. This gorgeous Edwardian old European diamond engagement ring is crafted in 18k yellow gold and p...

Orloff of Denmark's very own 'Neptunian Moonlight' An extraordinary 5.10 carat blue spinel set in 950 platinum. The split-shank ring which the gem is set upon is adorned with wonderf...

TIFFANY & Co. Platinum Sapphire Diamond Three Stone Engagement Ring 6.5 Metal: Platinum Size: 6.5 Weight: 4.40 grams Sapphire: round sapphire, carat total weight .58 Diamond 1: roun...

Merkaba Jewelry Beverly Hills proudly presents a captivating three stone platinum engagement ring centered on a 1.41 carat unheated Lavender Sapphire, precision cut in a romantic cus...

Rendered in 18k yellow gold with a platinum top, this is an unusual and beautiful ring with enough classical style elements to make it timeless, yet plenty of interest to keep it uni...

Introducing our exceptional Mahenge spinel, a rare and unique gemstone that captures the eye with its silky reddish hue and vibrant orange fire. Set in a custom-designed diamond ring...