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Gia Certified Rubies

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GIA Certified Ruby .99ct Diamond Ring Platinum Vivid Red Prime
GIA Certified Ruby .99ct Diamond Ring Platinum Vivid Red Prime

GIA Certified Ruby .99ct Diamond Ring Platinum Vivid Red Prime

Located in New York, NY

GIA Certified Ruby Accent Ring. .99ct. GIA Oval Bright Red Ruby Report: 5182151808 (VS) Clean

Category

2010s American Solitaire Rings

Materials

Diamond, Ruby, Platinum

Platinum Ring with 2.09ct GIA Certified Ruby and Baguette Diamonds
Platinum Ring with 2.09ct GIA Certified Ruby and Baguette Diamonds

Platinum Ring with 2.09ct GIA Certified Ruby and Baguette Diamonds

By OGI Ltd

Located in New York, NY

sophistication. Rubies of this caliber, certified by GIA, are increasingly scarce — making this ring not only a

Category

2010s American Modern Cocktail Rings

Materials

Diamond, Ruby

Extraordinary 5.10-Carat No-Heat GIA-Certified Ruby with Diamond Ring
Extraordinary 5.10-Carat No-Heat GIA-Certified Ruby with Diamond Ring

Extraordinary 5.10-Carat No-Heat GIA-Certified Ruby with Diamond Ring

Located in Chicago, IL

Extraordinary 5.10-Carat No-Heat GIA-Certified Ruby with Diamond Accents in Platinum A masterpiece

Category

2010s American Contemporary Engagement Rings

Materials

Diamond, White Diamond, Ruby, Platinum

GIA Certified Ruby Halo Stud Earrings
GIA Certified Ruby Halo Stud Earrings

GIA Certified Ruby Halo Stud Earrings

By M&V Vanguard Jewelry

Located in New York, NY

Ruby Earrings with Halo diamond jackets in Platinum Centers: 1.20ct Round Ruby GIA#5191369644

Category

2010s American Modern Drop Earrings

Materials

Ruby, Platinum

11.50 Carat GIA Certified Ruby Ring
11.50 Carat GIA Certified Ruby Ring

11.50 Carat GIA Certified Ruby Ring

By Diamond Scene New York

Located in New York, NY

A stunning center Ruby rich in color, a fantastic ring! A beautiful elongated cushion cut red

Category

21st Century and Contemporary Cocktail Rings

Materials

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

Gia Certified Ruby and Marquise Diamond Earrings
Gia Certified Ruby and Marquise Diamond Earrings

Gia Certified Ruby and Marquise Diamond Earrings

By GEMME

Located in New York, NY

Centered upon 2 elongated Rubies weighing a total of 7.63 Carats. Certified by GIA as Heated. 14

Category

2010s Clip-on Earrings

Materials

Ruby, Diamond

Gia Certified Ruby and Yellow Diamond Earrings
Gia Certified Ruby and Yellow Diamond Earrings

Gia Certified Ruby and Yellow Diamond Earrings

By GEMME

Located in New York, NY

Centered upon 2 elongated Rubies weighing a total of 7.63 Carats. Certified by GIA as Heated

Category

2010s Clip-on Earrings

Materials

Yellow Diamond, Ruby

GIA Certified Ruby & Diamond Necklace In 18k
GIA Certified Ruby & Diamond Necklace In 18k

GIA Certified Ruby & Diamond Necklace In 18k

Located in New York, NY

fold over safety latches. Center set with AGL Certified, # XXXXX, stating that the ruby is of "Thai

Category

Late 20th Century Link Necklaces

Materials

Diamond, Ruby, Yellow Gold

GIA Certified Ruby Diamond Serpentine Gold Ring
GIA Certified Ruby Diamond Serpentine Gold Ring

GIA Certified Ruby Diamond Serpentine Gold Ring

Located in Beverly Hills, CA

Original this snake inspired ring features a GIA Certified 1.51 carat pear shape vivid red ruby

Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Ruby, 18k Gold, White Gold, Gold

GIA Certified Ruby and Diamond Cocktail Ring
GIA Certified Ruby and Diamond Cocktail Ring

GIA Certified Ruby and Diamond Cocktail Ring

Located in Chicago, IL

This beautifully classic cocktail ring boasts a bright oval brilliant cut ruby measuring 9.83 x

Category

Vintage 1980s Unknown Contemporary Three-Stone Rings

Materials

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

33 Carat GIA Certified Ruby and Diamond Earrings
33 Carat GIA Certified Ruby and Diamond Earrings

33 Carat GIA Certified Ruby and Diamond Earrings

By Diamond Scene New York

Located in New York, NY

color are a rare find! The rubies are only heat treated, certified by GIA. Just under 2 inches long

Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Diamond, Ruby, 18k Gold

4.31 Carat GIA Certified Ruby Diamond Platinum Ring
4.31 Carat GIA Certified Ruby Diamond Platinum Ring

4.31 Carat GIA Certified Ruby Diamond Platinum Ring

Located in Beverly Hills, CA

A magnificent ring featuring a GIA certified 4.31 carat gem highly saturated red ruby. Two baguette

Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Ruby, Platinum

Impressive Platinum, Diamond, and GIA Certified Ruby Ring
Impressive Platinum, Diamond, and GIA Certified Ruby Ring

Impressive Platinum, Diamond, and GIA Certified Ruby Ring

Located in Brisbane City, QLD

An impressive ruby and diamond ring set in a platinum mount. The central oval cut ruby weighs 3.06

Category

20th Century Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

Emilio Jewelry Gia Certified Ruby Diamond Cocktail Ring
Emilio Jewelry Gia Certified Ruby Diamond Cocktail Ring

Emilio Jewelry Gia Certified Ruby Diamond Cocktail Ring

By Emilio!

Located in New York, NY

From the vault at Emilio Jewelry located on New York's iconic 5th Ave, Gia certified .50pt diamond

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, 18k Gold

Oscar Heyman GIA Certified Ruby and Diamond Brooch
Oscar Heyman GIA Certified Ruby and Diamond Brooch

Oscar Heyman GIA Certified Ruby and Diamond Brooch

By Oscar Heyman

Located in Beverly Hills, CA

This exquisite Oscar Heyman platinum brooch, crafted in 1961, showcases GIA-certified no-heat Burma

Category

Mid-20th Century American Art Deco Brooches

Materials

Diamond, White Diamond, Ruby, Platinum

GIA Certified Ruby & Diamond Three Stone Ring in Platinum
GIA Certified Ruby & Diamond Three Stone Ring in Platinum

GIA Certified Ruby & Diamond Three Stone Ring in Platinum

Located in Great Neck, NY

GIA certified oval Ruby weighing 2.08 carats Measuring (9.53x6.91x3.31) mm Diamonds weighing .62

Category

2010s American Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIA Certified Ruby with Diamond Ring set in 18K Gold Settings
GIA Certified Ruby with Diamond Ring set in 18K Gold Settings

GIA Certified Ruby with Diamond Ring set in 18K Gold Settings

Located in Bangkok, TH

Ruby 7.91 carats with Diamond 1.63 carats Ring set in 18K Gold Settings (GIA Certified) Width

Category

2010s Thai Contemporary Solitaire Rings

Materials

Diamond, Ruby, 18k Gold

Three Stone GIA Certified Ruby & Diamond Ring in 18k Yellow Gold & Platinum
Three Stone GIA Certified Ruby & Diamond Ring in 18k Yellow Gold & Platinum

Three Stone GIA Certified Ruby & Diamond Ring in 18k Yellow Gold & Platinum

Located in New York, NY

ruby originates from Mozambique and has a pigeon blood color. Center ruby is GIA certified. All side

Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Ruby, Yellow Gold, Platinum

GIA Certified Ruby with Diamond Ring set in 18K White Gold Settings
GIA Certified Ruby with Diamond Ring set in 18K White Gold Settings

GIA Certified Ruby with Diamond Ring set in 18K White Gold Settings

Located in Bangkok, TH

Ruby 4.06 carats with Diamond 0.92 carat Ring set in 18K White Gold Settings Width: 0.7 cm

Category

2010s Thai Contemporary Solitaire Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

GIA Certified Ruby and Diamond Diamond Toi Et Moi Ring in Platinum (Unique)
GIA Certified Ruby and Diamond Diamond Toi Et Moi Ring in Platinum (Unique)

GIA Certified Ruby and Diamond Diamond Toi Et Moi Ring in Platinum (Unique)

By GEMME

Located in New York, NY

with a Trapezoid Cut Diamond weighing 1.01 Carats. Ruby is Certified by GIA. Diamond Certified by GIA

Category

2010s American Cocktail Rings

Materials

White Diamond, Diamond, Ruby, Platinum

GIA Certified Ruby Ring with Diamonds in 18 Karat White Gold Floral Pattern
GIA Certified Ruby Ring with Diamonds in 18 Karat White Gold Floral Pattern

GIA Certified Ruby Ring with Diamonds in 18 Karat White Gold Floral Pattern

By Avanti

Located in Carrollton, TX

This stunning GIA certified heated ruby is the focal point in this mesmerizing custom setting in

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

GIA Certified Ruby and Diamond Halo Engagement Ring, 2.41 Carats in White Gold
GIA Certified Ruby and Diamond Halo Engagement Ring, 2.41 Carats in White Gold

GIA Certified Ruby and Diamond Halo Engagement Ring, 2.41 Carats in White Gold

By Sarosi By Timeless Gems

Located in Los Angeles, CA

Gemological Institute of America Report #1156860952 certifying its authenticity. Fine round rubies in this

Category

21st Century and Contemporary American Artisan Engagement Rings

Materials

Diamond, Ruby, White Gold, Gold, 18k Gold

GIA Certified Ruby and Diamond Cocktail Ring Yellow and White Gold, 4.61 Carats
GIA Certified Ruby and Diamond Cocktail Ring Yellow and White Gold, 4.61 Carats

GIA Certified Ruby and Diamond Cocktail Ring Yellow and White Gold, 4.61 Carats

By Sarosi By Timeless Gems

Located in Los Angeles, CA

This original designer ring features a large, fine, blood-red ruby weighing 4.61 carats! Boasting

Category

21st Century and Contemporary Unknown Artisan Cocktail Rings

Materials

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

GIA Certified 16.37ct Ruby Diamonds Ring 14kt
GIA Certified 16.37ct Ruby Diamonds Ring 14kt

GIA Certified 16.37ct Ruby Diamonds Ring 14kt

Located in New York, NY

16.37ct. Natural GIA Certified Ruby Diamonds ring. Translucent Ruby, Clean Clarity GIA Certified

Category

2010s American Cluster Rings

Materials

Ruby, 14k Gold, Yellow Gold

GIA cert 5.33 Carat Ruby Diamond Platinum Cocktail Ring
GIA cert 5.33 Carat Ruby Diamond Platinum Cocktail Ring

GIA cert 5.33 Carat Ruby Diamond Platinum Cocktail Ring

By Diamond Scene

Located in New York, NY

An elegant Ruby ring. 5.33 carat GIA certified Ruby set with special cut white side

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, White Diamond, Platinum

GIA Ruby Platinum Gold Diamond Ring
GIA Ruby Platinum Gold Diamond Ring

GIA Ruby Platinum Gold Diamond Ring

Located in New York, NY

18k gold and platinum ring. Set with GIA certified ruby - 9.28 x 7.08 x 5.04mm, and diamonds approx

Category

20th Century More Rings

Materials

Diamond, Ruby, Gold, Platinum

2.90 Total Carat Oval Ruby and Diamond Halo Ladies Ring. GIA Certified.
2.90 Total Carat Oval Ruby and Diamond Halo Ladies Ring. GIA Certified.

2.90 Total Carat Oval Ruby and Diamond Halo Ladies Ring. GIA Certified.

Located in New York, NY

2.90 Total Carat Oval Ruby and Diamond Halo Ladies Ring. GIA Certified. -Metal Type: 18K White

Category

2010s American Engagement Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

GIA Certified Burma Ruby 1.75ct Ballerina Cocktail Diamond ring 14kt
GIA Certified Burma Ruby 1.75ct Ballerina Cocktail Diamond ring 14kt

GIA Certified Burma Ruby 1.75ct Ballerina Cocktail Diamond ring 14kt

Located in New York, NY

GIA Certified Ruby Diamonds Ballerina Cocktail Ring. 1.75ct. GIA Oval Bright Red Ruby Report

Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

GIA Certified Burma Ruby 1.75ct Ballerina Cocktail Diamond Ring 14kt
GIA Certified Burma Ruby 1.75ct Ballerina Cocktail Diamond Ring 14kt

GIA Certified Burma Ruby 1.75ct Ballerina Cocktail Diamond Ring 14kt

Located in New York, NY

GIA Certified Ruby Diamonds Ballerina Cocktail Ring. 1.75ct. GIA Oval Bright Red Ruby Report

Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

GIA Certified Thailand Ruby 1.71ct Halo Diamond Ring 18kt Vivid Red Prime
GIA Certified Thailand Ruby 1.71ct Halo Diamond Ring 18kt Vivid Red Prime

GIA Certified Thailand Ruby 1.71ct Halo Diamond Ring 18kt Vivid Red Prime

Located in New York, NY

GIA Certified Ruby Diamonds Ballerina Cocktail Ring. 1.71ct. GIA Oval Bright Red Ruby Report

Category

2010s American Solitaire Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

GIA Certified .92 Carat Ruby Diamond White Gold Ballerina Cocktail Ring
GIA Certified .92 Carat Ruby Diamond White Gold Ballerina Cocktail Ring

GIA Certified .92 Carat Ruby Diamond White Gold Ballerina Cocktail Ring

Located in Stamford, CT

GIA certified Ruby and diamond ballerina cocktail ring. Oval center ruby with a halo of 32 tapered

Category

Mid-20th Century Cocktail Rings

Materials

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

GIA Certified 4.18ct No Heat Ruby & Diamond Ring
GIA Certified 4.18ct No Heat Ruby & Diamond Ring

GIA Certified 4.18ct No Heat Ruby & Diamond Ring

By Provident

Located in West Palm Beach, FL

-certified ruby of Mozambique origin—an exceedingly rare, untreated gemstone. Boasting a vivid crimson hue

Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

GIA Certified 6.68 Carat Ruby Diamond Earrings
GIA Certified 6.68 Carat Ruby Diamond Earrings

GIA Certified 6.68 Carat Ruby Diamond Earrings

By Diana M. Jewels

Located in New York, NY

18K White Gold GIA Certified Ruby and Diamond earrings, with vivid red rubies and white diamonds

Category

21st Century and Contemporary American Dangle Earrings

Materials

Diamond, White Diamond, Ruby, 18k Gold

GIA Certified 4.53ct natural No Heat red ruby diamonds ring 18kt fancy yellows
GIA Certified 4.53ct natural No Heat red ruby diamonds ring 18kt fancy yellows

GIA Certified 4.53ct natural No Heat red ruby diamonds ring 18kt fancy yellows

Located in New York, NY

GIA Certified Ruby & Yellow Diamonds Ring 2.07ct. GIA Oval Red Ruby Report: 2173630687 (VS

Category

2010s American Three-Stone Rings

Materials

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

1.53ct Round Red Ruby GIA Certified Madagascar
1.53ct Round Red Ruby GIA Certified Madagascar

1.53ct Round Red Ruby GIA Certified Madagascar

Located in Toronto, Ontario

This is a stunning GIA Certified Ruby The GIA report reads as follows: GIA Report Number

Category

2010s Malagasy Loose Gemstones

Materials

Ruby

1.06ct Round Red Ruby GIA Certified Madagascar
1.06ct Round Red Ruby GIA Certified Madagascar

1.06ct Round Red Ruby GIA Certified Madagascar

Located in Toronto, Ontario

This is a stunning GIA Certified Ruby The GIA report reads as follows: GIA Report Number

Category

2010s Malagasy Loose Gemstones

Materials

Ruby

3.36ct Oval Red Ruby GIA Certified Mozambique
3.36ct Oval Red Ruby GIA Certified Mozambique

3.36ct Oval Red Ruby GIA Certified Mozambique

Located in Toronto, Ontario

This is a stunning GIA Certified Ruby The GIA report reads as follows: GIA Report Number

Category

2010s Mozambican Loose Gemstones

Materials

Ruby

1.92ct Heart Red Ruby GIA Certified Mozambique
1.92ct Heart Red Ruby GIA Certified Mozambique

1.92ct Heart Red Ruby GIA Certified Mozambique

Located in Toronto, Ontario

This is a stunning GIA Certified Ruby The GIA report reads as follows: GIA Report Number

Category

2010s Mozambican Loose Gemstones

Materials

Ruby

4.19ct Cushion Vivid Red Ruby GIA Certified Mozambique
4.19ct Cushion Vivid Red Ruby GIA Certified Mozambique

4.19ct Cushion Vivid Red Ruby GIA Certified Mozambique

Located in Toronto, Ontario

This is a stunning GIA Certified Ruby The GIA report reads as follows: GIA Report Number

Category

2010s Mozambican Loose Gemstones

Materials

Ruby

1.34ct Cushion Purplish Red Ruby GIA Certified Unheated
1.34ct Cushion Purplish Red Ruby GIA Certified Unheated

1.34ct Cushion Purplish Red Ruby GIA Certified Unheated

Located in Toronto, Ontario

This is a stunning GIA Certified Ruby The GIA report reads as follows: GIA Report Number

Category

2010s Loose Gemstones

Materials

Ruby

1.86ct Cushion Purplish Red Ruby GIA Certified Vietnam Unheated
1.86ct Cushion Purplish Red Ruby GIA Certified Vietnam Unheated

1.86ct Cushion Purplish Red Ruby GIA Certified Vietnam Unheated

Located in Toronto, Ontario

This is a stunning GIA Certified Ruby The GIA report reads as follows: GIA Report Number

Category

2010s Vietnamese Loose Gemstones

Materials

Ruby

6.37 Total Carat Ruby and Diamond Ladies Ring GIA
6.37 Total Carat Ruby and Diamond Ladies Ring GIA

6.37 Total Carat Ruby and Diamond Ladies Ring GIA

Located in New York, NY

6.37 Total Carat Ruby and Diamond Ladies Ring. GIA Certified. -Metal Type: 18K White Gold -3.62

Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

2.38ct Oval Purplish Red Ruby GIA Certified Tajikistan Unheated
2.38ct Oval Purplish Red Ruby GIA Certified Tajikistan Unheated

2.38ct Oval Purplish Red Ruby GIA Certified Tajikistan Unheated

Located in Toronto, Ontario

This is a stunning GIA Certified Ruby The GIA report reads as follows: GIA Report Number

Category

2010s Tajikistani Loose Gemstones

Materials

Ruby

Art Deco Platinum GIA Certified Oval Ruby Halo Diamond Engagement Ring
Art Deco Platinum GIA Certified Oval Ruby Halo Diamond Engagement Ring

Art Deco Platinum GIA Certified Oval Ruby Halo Diamond Engagement Ring

Located in Los Angeles, CA

DeKara Designs Collection Art Deco Inspired Extremely Elegant Halo GIA Certified Oval Ruby Diamond

Category

2010s American Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

GIA Certified 2.86 Carat Ruby and Diamond Halo Ring in 14K White Gold
GIA Certified 2.86 Carat Ruby and Diamond Halo Ring in 14K White Gold

GIA Certified 2.86 Carat Ruby and Diamond Halo Ring in 14K White Gold

Located in Chicago, IL

This exquisite cocktail ring showcases a striking 2.31 carat natural ruby at its center, certified

Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Ballerina Cocktail Cluster No Heat Ruby Diamond Ring 4.58 Carat 18 Karat
Ballerina Cocktail Cluster No Heat Ruby Diamond Ring 4.58 Carat 18 Karat

Ballerina Cocktail Cluster No Heat Ruby Diamond Ring 4.58 Carat 18 Karat

Located in New York, NY

Ballerina Highness. 1.53ct. Natural GIA Certified Ruby Cocktail Cluster Ring GIA Certified Report

Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

GIA Certified Thai No Heat Cushion-Cut Ruby and Diamond Cocktail Ring
GIA Certified Thai No Heat Cushion-Cut Ruby and Diamond Cocktail Ring

GIA Certified Thai No Heat Cushion-Cut Ruby and Diamond Cocktail Ring

Located in Beverly Hills, CA

GIA certified Thai no heat cushion brilliant cut ruby and diamond vintage cocktail ring, crafted in

Category

Mid-20th Century Thai Retro Cocktail Rings

Materials

Ruby, White Diamond, Diamond, Yellow Gold, 14k Gold, Gold

Peter Suchy GIA Certified 1.32 Carat Ruby Diamond White Gold Pendant Necklace
Peter Suchy GIA Certified 1.32 Carat Ruby Diamond White Gold Pendant Necklace

Peter Suchy GIA Certified 1.32 Carat Ruby Diamond White Gold Pendant Necklace

By Peter Suchy

Located in Stamford, CT

GIA Certified Ruby Diamond White Gold Pendant Necklace. This pendant necklace is meticulously in

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Ruby, Gold, 18k Gold, White Gold

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Gia Certified Rubies For Sale on 1stDibs

Find an expansive variety of gia certified rubies available on 1stDibs. Frequently made of Gold, 18k Gold and White Gold, these items were constructed with great care. Our selection of items includes 109 vintage examples as well as 294 contemporary versions. Our collection, which features older pieces for sale from the 19th Century and newer versions made as recently as the 21st Century, has proven very popular over the years. Contemporary and Modern are consistently popular styles when it comes to gia certified rubies. Beyond Fine Jewelry, Peter Suchy and DGI each produced beautiful examples of these items that are worth considering. A selection of oval cut, cushion cut and round cut can be found today on these pages. If you’re browsing the variety of gia certified rubies for sale, you’ll find that many are available today for women, but there are still pieces to choose from for men.

How Much are Gia Certified Rubies?

Prices for gia certified rubies can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1,250 and can go as high as $1,188,964, while gia certified rubies, on average, fetch $12,000.

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.

Questions About Gia Certified Rubies
  • 1stDibs ExpertApril 5, 2022
    Yes, Cartier diamonds are indeed GIA certified. The Gemological Institute of America (GIA) works closely with Cartier and certifies everything from the cut and clarity to the color of the gem. Shop a collection of expertly vetted Cartier jewelry from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    When a diamond is GIA certified, it means that the stone has undergone the meticulous set of grading procedures that have been established by the Gemological Institute of America. The GIA is not a jeweler — it is an independent, nonprofit group that sets the standards for determining the quality of a diamond.
  • 1stDibs ExpertAugust 17, 2021
    In the United States, diamond rings are certified by an official gemological laboratory known as the Gemological Institute of America. A certified diamond ring means that the diamond has undergone a quality analysis by experts at an institution such as the GIA and these experts have issued a lab report that is indicative of the grading process.
  • 1stDibs ExpertMarch 22, 2022
    Whether Neil Lane diamonds are GIA-certified or not depends on the piece. All of the diamonds featured in rings and other jewelry designs from the Neil Lane Couture collection do carry GIA certification. Pieces made for third-party retailers may not. On 1stDibs, find a collection of Neil Lane jewelry.
  • 1stDibs ExpertFebruary 13, 2023
    While diamond studs don't need to be GIA-certified to be sold, experts typically recommend that you only purchase diamonds that carry certification from the Gemological Institute of America (GIA) or Authentic Gem Security Lab (AGSL). Certifications bring transparency to the buying process, allowing you to know the level of quality of a diamond before you purchase it. Shop a collection of vintage and modern diamond gemstone earrings from some of the world’s top jewelers on 1stDibs.
  • 1stDibs ExpertAugust 15, 2024
    Many experts believe that buying a GIA-certified diamond is worth it. The Gemological Institute of America (GIA) has a well-established reputation for providing accurate, trustworthy ratings and certifications. A diamond that carries a GIA certification has undergone rigorous examinations and tests to assess its quality, which can make it a good investment. Find a diverse assortment of diamond jewelry on 1stDibs.