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Certified Mozambique Ruby with GIA Certified Diamond Platinum Ring
By Avanti
Located in Carrollton, TX
ruby (GRS Certified), resplendent in its coveted pigeon’s blood hue, set in a luxurious platinum
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

Ladies White Gold Ring with Rubies and Diamonds
Located in Berlin, DE
Elegant ladies' white gold ring with rubies and diamonds Including certificate of authenticity
Category

20th Century Modern Cluster Rings

Materials

White Diamond, Ruby, 14k Gold, White Gold

0.25ct Ruby and diamond antique engagement ring 18k yellow gold
Located in London, GB
This beautiful antique engagement ring features a stunning 0.25ct ruby and diamond combination set
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Yellow Gold

Elegant Solid Platinum GIA 1.56ctw Oval No Heat Ruby Diamond Ring
Located in Montclair, NJ
some light wear. Excellent overall condition. Comes with original GIA certification for the ruby. Stock
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Art Deco No Heat Burma Ruby and Diamond Brooch
Located in Miami, FL
Diamonds 36 Round cut Rubies Other Important Details: AGL Certificate: CS1078873 (October 17, 2016) Origin
Category

Vintage 1930s Art Deco Brooches

Materials

Diamond, Ruby, Gold, 14k Gold, White Gold, Platinum

GIA Certified 14.32 Carat Oval Red Ruby Diamond Platinum Dangle Earrings
Located in Stamford, CT
, 11.5 x 6.2mm, true red cabochon Rubies. GIA certificate#1152085780 2 full cut diamonds, approx. total
Category

Mid-20th Century Dangle Earrings

Materials

Diamond, Ruby, Platinum

Le Vian 3 Carat Ruby Two-Tone Gold Ring
By Le Vian
Located in Great Neck, NY
. diamonds. Ring Size: 7 Le Vian 3 Carat Passion Ruby Two Tone Gold Ring Certificate of Authenticity is
Category

2010s Fashion Rings

Materials

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

Platinum GIA 2.55ctw Pear Ruby Diamond Double Halo Ballerina Cocktail Ring
Located in Montclair, NJ
condition. Comes with original GIA certification for the ruby. Stock Number: MK-710145360 --Certification
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Platinum GIA 1.91ctw Oval Ruby w/ Diamond Double Halo Cocktail Ring
Located in Montclair, NJ
some light wear. Excellent overall condition. Comes with original GIA certification for the ruby. Stock
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Vintage Platinum GIA 2.49ct Cushion Ruby Flared Baguette Diamond Ribbon Bow Ring
Located in Montclair, NJ
light wear. Excellent overall condition. Comes with original GIA certification for the ruby. Stock
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

Boucheron Burma No-Heat Ruby and Diamond Earrings
By Boucheron
Located in New York, NY
. diamond, pearl, etc.). The four rubies accompany a gemological certificate from AGL stating the country of
Category

20th Century French Dangle Earrings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

GIA Certified 4.16 Mozambique Unheated Ruby and Fancy Yellow Diamond Ring
Located in Yorba Linda, CA
Mozambique Unheated Certified Ruby Oval cut 2.08 carats Certificate # ICA 156828 GIA certified
Category

2010s Asian Solitaire Rings

Materials

Ruby, 18k Gold

Substantial Platinum 6.45ctw GIA Large Oval Burma Ruby w/ Diamond Halo Ring
Located in Montclair, NJ
condition. Comes with original GIA certification for the ruby. Stock Number: MK-490960314 --Certification
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Antique 1.50 Carat Burmese Ruby and 0.66 Carat Diamond Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 1.50 carat Burmese ruby and 0.66 carat diamond, platinum
Category

Vintage 1930s Unknown Cocktail Rings

Materials

Diamond, Ruby, Platinum

Vintage Platinum GIA 2.72ctw Cabochon Star Ruby w/ Marquise Round Diamond Ring
Located in Montclair, NJ
Color - Nice Transparent Ruby - Sharp Star - No Heat - Ceylon - 2.26ct (exact) ** See Certification
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

1.02 Carat Ruby Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
weight 1.02cts, SI3, 6.3 x 4.7 x 3.5mm, GIA certificate #2155428872, natural Ruby simple heat only with
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

Vintage Platinum GIA 2.49ct Burma Ruby Diamond Swirl Cocktail Statement Ring
Located in Montclair, NJ
for the ruby. Stock Number: MK-690120596 --Certification Details:-- Laboratory: GIA Report Number
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

.67 Carat Ruby Diamond Halo Platinum Ballerina Engagement Ring
Located in Stamford, CT
Oval ruby and diamond halo engagement ring. GIA certified .67 carat natural corundum oval center
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

GFCO Certified 2.55 Carat Natural Loose Ruby Gemstone From Mozambique, Africa
Located in Peshawar, PK
: Mozambique Treatment: Heat Enhancement (H-2) Certificate: GFCO Certificate Available Mozambique rubies are
Category

21st Century and Contemporary Mozambican Arts and Crafts Loose Gemstones

Materials

Ruby, Other

Vintage 1.70Ct Thai Ruby and 1.68Ct Diamond Platinum Cocktail Ring 1975
Located in Jesmond, Newcastle Upon Tyne
with diamonds is supplied with a ruby report card and certificate supplied by the Gemmological
Category

Vintage 1970s Cluster Rings

Materials

Diamond, Ruby, Platinum

Hancocks 1.10ct Burma Ruby And French Cut Diamond Ring Contemporary
By Hancocks
Located in London, GB
Origin London Gemstones 1.10ct Rectangular step cut Unheated Burmese Ruby witth SSEF Certificate. 12x G
Category

21st Century and Contemporary British Three-Stone Rings

Materials

Ruby, 18k Gold

Vintage 1.70 Carat Thai Ruby Diamond White Gold Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
a ruby report card and certificate supplied by the Gemmological Certification Services, London
Category

Vintage 1950s Unknown Cluster Rings

Materials

Diamond, Ruby, White Gold, Platinum

Vintage Platinum GIA 1.47ctw High Quality Burma Star Ruby w/ Diamond Ring
Located in Montclair, NJ
certification for the star ruby. Stock Number: MK-49053599 --Certification Details:-- Laboratory: GIA Report
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

Vintage Platinum GIA 2.55ctw Vivid Red Ruby Diamond Ballerina Cocktail Ring
Located in Montclair, NJ
: Vintage. Excellent condition. Comes with original GIA certification for the ruby. Stock Number: MK
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

Hancocks 2.70ct Burma Ruby Diamond ring in 18ct Yellow Gold
By Hancocks
Located in London, GB
unheated Burmese ruby - with SSEF certificate 2 x antique pear cut diamonds, total weight 0.55ct Setting
Category

21st Century and Contemporary British Engagement Rings

Materials

White Diamond, Ruby, 18k Gold

GIA Certified 5.10 Carat Star Cabochon Ruby Yellow Gold Men s Ring
Located in Stamford, CT
red display asterism star ruby, approx. 5.1cts GIA Certificate # 2231070906 Size 7 and sizable 14k
Category

Late 20th Century Fashion Rings

Materials

Ruby, Star Ruby, Gold, 14k Gold, Yellow Gold

Ruby and diamond antique engagement ring 18k yellow gold
Located in London, GB
This beautiful antique engagement ring features a stunning 0.25ct ruby and diamond combination set
Category

21st Century and Contemporary British Art Deco Engagement Rings

Materials

Diamond, Ruby, Yellow Gold

GIA Certified 5.57 Carat Burma No Heat Vivid Red Ruby Diamond Platinum Earrings
Located in Kowloon, Hong Kong
GIA-certified natural Burmese rubies. Untreated and richly saturated, the rubies display the highly
Category

2010s Dangle Earrings

Materials

Diamond, Ruby, Platinum

Auction - AGL Certified 7.32 Carat Ruby and Diamond Ring
By GEMME
Located in New York, NY
Centered upon a 7.32 Carat Cushion shaped Ruby, accompanied by AGL certificate stating it is heated
Category

2010s American Cocktail Rings

Materials

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

Platinum GIA 2.53ctw Oval Ruby w/ Baguette Round Diamond Flared Ballerina Ring
Located in Montclair, NJ
GIA certification for the ruby. Stock Number: MK-120128596 --Certification Details:-- Laboratory: GIA
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Vintage Platinum GIA 0.58ct Oval Cut Ruby Solitaire Petite Skinny Band Ring
Located in Montclair, NJ
certification for the ruby. Stock Number: MK-19039516 --Certification Details:-- Laboratory: GIA Report Number
Category

20th Century Solitaire Rings

Materials

Ruby, Platinum

1.70 Carat Siam Ruby and 3.02 Carat Diamond Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
diamond grading report certificates for the principle diamonds, a ruby report card and certificate
Category

Vintage 1950s Unknown Cocktail Rings

Materials

Diamond, Ruby, Platinum

Platinum GIA 1.45ct Vivid Red Ruby Pear No Heat Diamond Sides Ring
Located in Montclair, NJ
original GIA certification for the ruby. Stock Number: MK-190208133 --Certification Details:-- Laboratory
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Vintage Platinum AGL 4.84ctw Burma Prominent Star Ruby w/ Diamond Cocktail Ring
Located in Montclair, NJ
! Comes with the original AGL certification for the ruby. Stock Number: MK-610201033 --Certification
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

Vintage French GIA Certified Burma Ruby and Diamond Ring
Located in Henderson, NV
of round brilliant cut diamonds. Ruby: 0.80 ct. (GIA certificate listed under images) 10 Diamonds
Category

Late 20th Century French Engagement Rings

Materials

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

1.21 Carat AIG Certified Natural Pinkish Red Ruby Cushion Cut Afghan Gemstone
Located in Bangkok, TH
Shape Cut Cushion This 1.21 Carat AIG Certified Natural Loose Ruby radiates an enchanting pinkish
Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Ruby

18K Gold GIA 20.65ctw Ruby Sapphire Diamond Large Floral Statement Earrings
Located in Montclair, NJ
certification) ** See Certification Details Below for Complete Info on the Rubies ** (29) Natural Genuine
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Ruby, Sapphire, 18k Gold

Victorian 1.00ct Burmese Ruby and Diamond Necklace, c.1880s
Located in London, GB
A deep red old cushion cut ruby is the centre of this gorgeous Victorian pendant. It is a 1.00
Category

Antique 1880s Unknown Victorian Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold

Trabert Hoeffer Mauboussin Platinum GIA Ruby Aquamarine Diamond Flower Brooch
By Trabert Hoeffer Mauboussin
Located in Montclair, NJ
with original GIA certifications for the rubies & aquamarines. Excellent condition! Stock Number: MK
Category

21st Century and Contemporary Brooches

Materials

Aquamarine, White Diamond, Ruby, Gold, White Gold, Platinum

Platinum 3.52ctw GIA Bright Red Burma Ruby Diamond Halo Sapphire Shoulders Ring
Located in Montclair, NJ
ruby. Stock Number: MK-630176091 --Certification Details:-- Laboratory: GIA Report Number: 2235694673
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Sapphire, Platinum

Platinum 1.36ctw Oval GIA Burma No Heat Ruby Diamond Milgrain Modern Design Ring
Located in Montclair, NJ
Color - Lively Nice Ruby- No Heat- Burma - 1.06ct (exact) ** See Certification Details Below for
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

Edwardian 18K Sapphire, Diamond and Burmese Ruby Quatrefoil Ring - AGL
Located in Hummelstown, PA
ring size 5.25. Measurements: 15 mm north to south x 10 mm east to west Ruby: AGL certificate, origin
Category

Antique Early 1900s Burmese Cocktail Rings

Materials

Diamond, Ruby, Sapphire, 18k Gold

Vintage Platinum GIA 4.49ctw No Heat Oval Star Ruby Diamond Cocktail Ring
Located in Montclair, NJ
original GIA certification for the star ruby. Stock Number: MK-130112533 --Certification Details
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

Elegant Platinum AIGS 1.74ctw NO Heat Oval Ruby Diamond Milgrain Halo Ring
Located in Montclair, NJ
the finger Condition: Excellent condition. Comes w/ the original AIGS certification for the ruby stone
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Ruby, Platinum

Antique Victorian Gold GIA Buttercup Ruby Solitaire w/ Enamel Detailed Ring
Located in Montclair, NJ
ruby. Stock Number: MK-46053517 --Certification Details:-- Laboratory: GIA Report Number: 5232663315
Category

Antique 19th Century Victorian Engagement Rings

Materials

Ruby, Enamel, Yellow Gold, 18k Gold, Gold

Vintage High Quality Platinum GIA 3.72ctw Vivid Red Ruby Diamond Ballerina Ring
Located in Montclair, NJ
. Excellent overall condition! Comes w/ original GIA certification for the ruby. Stock Number: MK-130294310
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

Platinum High Quality GIA 2.04ct No Heat Oval Vivid Red Ruby Diamond Ring
Located in Montclair, NJ
certification for the ruby. Stock Number: MK-36090010 --Certification Details:-- Laboratory: GIA Report Number
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

B Kieselstein Cord Platinum GIA Ruby Diamond Cuff Clip on Statement Earrings
By KIESELSTEIN-CORD
Located in Montclair, NJ
the rubies. Stock Number: MK-440197028-23092518-PAR-EY --Certification Details:-- Laboratory: GIA
Category

21st Century and Contemporary Clip-on Earrings

Materials

Diamond, Ruby, Platinum

GIA Graded Unheated Ruby and Diamond Chandelier Earrings, Pierre/Famille
Located in Aspen, CO
certificates which state that the fine matched rubies are unheated and untreated. There are 10.29 cts of fine
Category

21st Century and Contemporary Modern Dangle Earrings

Materials

Diamond, White Diamond, Ruby, Platinum

Platinum 4.2ctw GIA No Heat Burma Star Ruby Pave Diamond Covered Wide Band Ring
Located in Montclair, NJ
Color - Semi Transparent Ruby - No Heat - Burma - 2.07ct (exact) ** See Certification Details Below for
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Platinum High Quality GIA 1.81ct Vivid Fiery Red Ruby Baguette Diamond Wrap Ring
Located in Montclair, NJ
original GIA certification for the ruby. Stock Number: MK-190122590 --Certification Details:-- Laboratory
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Platinum High Quality GIA 2.22ct No Heat Oval Ruby Diamond Halo Ballerina Ring
Located in Montclair, NJ
: Excellent condition. Comes with original GIA certification for the ruby. Stock Number: MK-510170344
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Vintage Men s Platinum 1.65ctw GIA Burma Round Ruby Diamond 3 Stone Band Ring
Located in Montclair, NJ
physical condition. Comes with original GIA certification for the 2 rubies. Stock Number: MK-390115533
Category

20th Century Band Rings

Materials

Diamond, Ruby, Platinum

GIA Certified .95 Carat Ruby Diamond Halo Platinum Engagement Ring
Located in Stamford, CT
handmade platinum setting. 1 oval red ruby, SI approx. .95ct GIA Certificate # 2211312051 16 baguette
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

4.80ct Natural Ruby Diamonds Hoop Earrings 14kt Yellow Gold Inside Out
Located in New York, NY
36 mm wide (front to back) 2.1 mm wide at diamond ruby row $11,000 appraisal certificate will
Category

2010s American Hoop Earrings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Peter Suchy GIA Certified 1.10 Ruby Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Workshop. 1 oval red ruby, approx. 1.10cts GIA Certificate # 2205398597 4 tapered baguette diamonds H VS
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

Vintage Platinum GIA 11.18ctw Burma No Heat Star Ruby w/ Diamond Statement Ring
Located in Montclair, NJ
. Excellent condition. Comes with original GIA certification for the star ruby. Stock Number: MK-170130599
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, Platinum

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Ruby Certificate For Sale on 1stDibs

On 1stDibs, you can find the most appropriate ruby certificate for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, Platinum and 18k Gold. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a ruby certificate 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. Finding an appealing ruby certificate — no matter the origin — is easy, but OGI Ltd, Fabergé and Modern Fabergé each produced a popular version that is worth a look. See these pages for an oval cut iteration of this accessory, while there are also cushion cut cut and round cut cut versions available here, too. When shopping for a ruby certificate, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Ruby Certificate?

Prices for a ruby certificate can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1,750 and can go as high as $300,000, while this accessory, on average, fetches $17,135.

The Legacy of Ruby in Jewelry Design

This deep red gem is the color of heat and passion — vintage and antique ruby jewelry is perfect for those born in the middle of summer.

Rubies are one of the few gemstones that can give diamonds a run for their money. Just consider the Van Cleef Arpels “scarf” necklace the Duke of Windsor presented to the Duchess on her 40th birthday, in 1936 — set with diamonds and dripping with rubies, a testament to the deep-red gemstone’s power — or the slippers encrusted with 4,600 rubies that Harry Winston made to commemorate The Wizard of Oz’s golden anniversary. July babies have permission to adorn themselves with this beautiful red stone even when it’s not their birthday.

Rubies are considered precious stones — along with diamonds, sapphires and emeralds — and have a hardness of 9.0 on the Mohs Scale, surpassed only by Moissanite and diamonds. They are composed of corundum, a colorless mineral that is also the basic material of sapphires. In the July birthstone, the red of the gemstone — and the various hues seen in sapphires — are produced by the presence of trace elements. In the case of a ruby, this element is chromium. Rubies range in color from vermilion to a violet red. They are also pleochroic, which means that a stone’s hue can vary depending on the direction of viewing. The most sought-after color is pigeon’s blood: pure red with a hint of blue.

Rubies that are hosted in dolomite marble are the most prized: Because the marble is low in iron, so are the rubies, resulting in a more intense color. Rubies found in basalt, which has a higher iron content, are generally darker and less intense.

When shopping for antique and vintage ruby jewelry, remember that the 4Cs of selecting the perfect diamond — color, clarity, cut and carat — also apply to rubies.

According to the Gemological Institute of America, the color of the July birthstone should be a vibrant to slightly purplish red, and the stone should be clear and inclusion-free. Accordingly, the cut should show off its color and clarity. As for the last criterion, fine rubies more than a carat in weight are rare. Often, large rubies are more expensive than diamonds of comparable weights.

Find a collection of ruby necklaces, ruby rings and other accessories on 1stDibs.