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
2010s American Solitaire Rings
Diamond, Ruby, Platinum
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
Diamond, Ruby, Platinum
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
Diamond, Ruby
$88,000Sale Price|20% Off
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
Diamond, White Diamond, Ruby, Platinum
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
Ruby, Platinum
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
Diamond, White Diamond, Ruby, 18k Gold, Platinum
$145,000 / set
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
Ruby, Diamond
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
Yellow Diamond, Ruby
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
Diamond, Ruby, Yellow Gold
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
Diamond, Ruby, 18k Gold, White Gold, Gold
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
Diamond, Ruby, Gold, 18k Gold, Yellow Gold
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
Diamond, White Diamond, Ruby, 18k Gold
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
Diamond, Ruby, Platinum
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
Diamond, Ruby, Platinum
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
Diamond, Ruby, 18k Gold
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
Diamond, White Diamond, Ruby, 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
Diamond, Ruby, Platinum
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
Diamond, Ruby, 18k Gold
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
Diamond, Ruby, Yellow Gold, Platinum
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
Diamond, Ruby, 18k Gold, White Gold
$15,600Sale Price|40% Off
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
White Diamond, Diamond, Ruby, Platinum
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
Diamond, Ruby, 18k Gold, 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
Diamond, Ruby, White Gold, Gold, 18k Gold
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
Diamond, Ruby, White Gold, Gold, 18k Gold, Yellow Gold
GIA Certified 1.42 carat Ruby and Baguette Diamond Ballerina Engagement Ring 14K
Located in beverly hills, CA
GIA Certified Ruby and Diamond Ring 14K Yellow Gold Ruby & Diamond Ballerina Engagement Ring
Diamond, Ruby, 14k Gold, Yellow Gold
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
Ruby, 14k Gold, Yellow Gold
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
Diamond, Ruby, White Diamond, Platinum
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
Diamond, Ruby, Gold, Platinum
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
Diamond, Ruby, 18k Gold, White Gold
GIA Certified 1.68 Carat Natural Round Brilliant Ruby Rose Gold Engagement Ring
Located in Los Angeles, CA
Ladies 18K Rose Gold Natural Ruby and Diamond Ring (Size 5.75). The GIA certified Ruby weighs 1.68
Ruby, Diamond, Rose Gold, 18k Gold
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
Diamond, Ruby, 14k Gold, White Gold
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
Diamond, Ruby, 14k Gold, White Gold
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
Diamond, Ruby, 18k Gold, White Gold
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
Diamond, Ruby, Gold, 14k Gold, White Gold
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
Diamond, Ruby, 18k Gold, White Gold
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
Diamond, White Diamond, Ruby, 18k Gold
GIA Certified 1.30 Carat Natural Vivid Red Ruby Diamonds Ring 18 Karat Coil Wrap
Located in New York, NY
GIA Certified Ruby & Diamonds Coil Wrap Band. Illusion of three rings 1.02ct. GIA Oval Bright Red
Diamond, Ruby, 18k Gold, White Gold, Yellow Gold
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
Diamond, Yellow Diamond, Ruby, 18k Gold, Yellow Gold
GIA Certified 1.95 Carat Natural Ruby Diamond Ring 18 Karat Vivid Red and Origin
Located in New York, NY
Red Prime Ruby Ring 1.63ct. Natural GIA Certified Ruby Ring GIA Certified Report ID: 6173627333
Diamond, Ruby, 18k Gold, White Gold
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
Ruby
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
Ruby
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
Ruby
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
Ruby
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
Ruby
GIA Certified 4.94 Carat Natural Vivid Red Ruby Diamonds Ring 18 Karat Origin
Located in New York, NY
GIA Certified Ruby & Diamonds ring. Classic Three's All Rubies are certified & origin. 2.11ct
Diamond, Ruby, 18k Gold, Yellow Gold
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
Ruby
GIA 6.32 Carat Natural No Heat Star Ruby Diamond Ring Platinum Knuckle Buckle
Located in New York, NY
Star Ruby Ring / Large Knuckle option. 3.32ct. Natural GIA Certified Ruby Ring GIA Certified
Diamond, Ruby, Platinum
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
Ruby
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
Diamond, Ruby, 18k Gold, White Gold
1.83ct Oval Purple-Red Ruby GIA Certified Pakistan / Kashmir, Unheated
Located in Toronto, Ontario
This is a stunning GIA Certified Ruby The GIA report reads as follows: GIA Report Number
Ruby
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
Ruby
GIA 2.31 Carat Natural Cushion Vivid Red Ruby Diamonds Byzantine Ring 18 Karat
Located in New York, NY
Byzantine Revival Red Prime No Heat Ruby 1.31ct. Natural GIA Certified Ruby Ring GIA Certified
Diamond, Ruby, 18k Gold, Yellow Gold
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
Diamond, Ruby, Platinum
$5,600Sale Price|20% Off
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
Diamond, Ruby, 14k Gold, White Gold
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
Diamond, Ruby, 18k Gold, White Gold
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
Ruby, White Diamond, Diamond, Yellow Gold, 14k Gold, Gold
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
Diamond, Ruby, Gold, 18k Gold, White Gold
GIA Certified 3.14 Carat Burma No Heat Pigeon's Blood Red Ruby Diamond Earrings
Located in Kowloon, Hong Kong
Exuding timeless elegance and gemological excellence, these GIA-certified ruby and diamond drop
Diamond, Ruby, 18k Gold, White Gold
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.
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