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
2010s Loose Gemstones
Ruby
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
Vivid Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
the original GIA certificate. A truly top quality ruby. Ring Size 4.25 Weight: 7 grams
Diamond, Ruby, Platinum
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
1.27 Carat GIA Certified Oval No Heat Ruby
Located in Great Neck, NY
GIA Certified Oval Ruby 1.27 Carats (7.70x6.17x2.79) mm NO HEAT
Ruby
$3,840Sale Price|20% Off
Vintage Platinum GIA Certified Unheated Ruby & Diamond Ring
Located in Amsterdam, NL
This is a gorgeous ruby and diamond ring. It was likely made around the 1950’s-60’s and features
Diamond, Ruby, Platinum
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
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
Platinum Oval-Cut Burma Ruby Ring GIA Certified
Located in Great Neck Plaza, NY
-cut Burma's ruby, radiating a rich red hue. The central gem is surrounded by a cluster of equally
Ruby, Platinum
1.65 Carat Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
ruby has a bright and vibrant pure-red color and is certified by the GIA as natural with a Thai origin
Diamond, Ruby, Platinum
No-Heat Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
A rare and special GIA certified 2.55 carat unheated ruby from Sri Lanka sits proudly in this
Diamond, Ruby, Platinum
2.64 Carat Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
. Certified by the GIA as natural. Ring size: 6.25 (sizeable) Total weight: 7.5 grams
Diamond, Ruby, Platinum
1.04ct Burmese Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
Here we have a finely made platinum ring featuring a GIA certified Burmese ruby. The ruby weighs
Diamond, Ruby, Platinum
Burmese Ruby Diamond Platinum Ring, GIA Certified Unheated
Located in Beverly Hills, CA
An exceptionally fine and rare stone from Myanmar (Burma) which has been certified by the GIA as
Diamond, Ruby, Platinum
GIA Certified 1.88 Carat Ruby Diamond Gold Ring
Located in New York, NY
This fabulous 18k yellow gold engagement ring is centered with a lovely GIA certified oval cut
Diamond, Ruby, 18k Gold, Yellow Gold
GIA Certified Platinum 6.27 Carat Ruby Diamond Ring
By Diana M. Jewels
Located in New York, NY
stone is 6.27 Carat Pear Shape ruby certified by GIA and set with two hearts on each side surrounded by
White 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
GIA Certified 2.09 Carat Ruby Diamond Engagement Ring
Located in New York, NY
This elegant ring is centered with a lovely GIA certified oval cut ruby that weighs 2.09ct. The
Diamond, Ruby, 18k Gold, White Gold
GIA Certified 2.11 Carat Ruby Diamond Engagement Ring
Located in New York, NY
This amazing 14k white gold engagement ring is centered with a lovely GIA certified oval cut ruby
Diamond, Ruby, 14k Gold, White Gold
Classic Burmese Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
the ruby and add sparkle and brilliance to the ring. Hand-fabricated in platinum and certified by the
Diamond, Ruby, Platinum
GIA Certified 0.85ct Vivid Red Burmese Ruby, Natural Gemstone
Located in Ramat Gan, IL
, celebrated for its intensity and purity of color. Certified by the GIA, the gemstone exemplifies the timeless
Ruby
GIA Certified Natural Jadeite Jade Ruby Gold Turtle Brooch
Located in Stamford, CT
with a 14k yellow gold detailed outer edge accented by 2 rich red Ruby eyes. The GIA has certified the
Jade, Ruby, Gold, 14k Gold, Yellow Gold
Fine Burmese Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
certified by the GIA as natural with a Burma origin. It is accented by 1.27 carats of round brilliant and
Diamond, Ruby, Platinum
GIA Certified 17.55 Carat Star Ruby Diamond Ring
Located in Stamford, CT
Natural GIA Certified 17.55 carat star oval ruby ring. GIA certified oval ruby center gemstone in a
Diamond, Ruby, Gold, 18k Gold, Yellow Gold
$22,400Sale Price|20% Off
No-Heat Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
A superb ring featuring a rare unheated ruby. It weighs exactly 3.00 carats and is certified by the
Diamond, Ruby, Platinum
GIA Certified 4.26ct Unheated Burma Ruby Diamond Chandelier Earrings
Located in Kowloon, Hong Kong
4.26 ct Burma No Heat Vivid Red Ruby & Diamond Chandelier Earrings (GIA Certified) Indulge in
Diamond, White Diamond, Ruby, Platinum
18.60ct GIA Certified Diamond Ruby Cluster Earrings 18kt
Located in New York, NY
Rubies 1 ruby has been tested by GIA laboratories. Center (2) Natural Round diamonds: J-color Si-2
Diamond, Ruby, 18k Gold, White Gold
GIA Certified 4.56ct Unheated Burma Ruby & Diamond Chandelier Earrings
Located in Kowloon, Hong Kong
4.56 ct Burma No Heat Vivid Red Ruby & Diamond Chandelier Earrings (GIA Certified) Indulge in
Diamond, White Diamond, Ruby, Platinum
$235,000 / item
GIA Certified 3.85Ct No Heat Thai Ruby Ring
Located in San Diego, CA
This is an incredible 3.85Ct Cushion Ruby that originates in Thailand and is not heated. The color
Ruby, Platinum
$15,200Sale Price|20% Off
2.25 ct GIA Certified Burma Ruby and diamond ring
By Simon Ardem
Located in New York, NY
This exquisite ring features a GIA Certified Burma Ruby 2.25-carat center cushion cut, GIA
Diamond, Ruby, 18k Gold, Platinum
1.36 Carat GIA Certified No Heat Pear Shape Ruby
Located in Great Neck, NY
GIA Certified Pear Shape Ruby 1.36 Carats (8.41x5.95x3.12) mm NO HEAT
Ruby
1.49 Carat GIA Certified No Heat Pear Shape Ruby
Located in Great Neck, NY
GIA Certified Pear Shape Ruby 1.49 Carats (8.67x5.42x3.65) mm NO HEAT
Ruby
GIA Certified 2.01ct Burma Ruby 1.01ct Diamond Pendant Necklace
Located in New York, NY
This is an elegant platinum pendant necklace. The pendant is centered with lovely GIA certified
Diamond, Ruby, Platinum
GIA Certified 2.08 Carat Burma Ruby & Diamond Ring
Located in West Palm Beach, FL
Delicately crafted in platinum, this ring centers a richly saturated crimson GIA-certified Burmese
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
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
14K Yellow Gold GIA Certified Ruby & Diamond Ring 6.2g
Located in Laguna Beach, CA
weight. The ruby is an oval shape, nice red color, 1.94 carats. Graded by GIA, report number 6237664419
Diamond, Ruby, 14k Gold, Yellow Gold
GIA Certified 2.75ct Burma Ruby 1.00 Diamond Engagement Ring
Located in New York, NY
This is an elegant platinum engagement ring. The ring is centered with a lovely GIA certified oval
Ruby, Platinum
Spinel Diamond Ruby Platinum & Gold Ring, GIA Certified
Located in Beverly Hills, CA
is certified by the GIA as natural with no treatments of any kind. It is accented by round-cut
Diamond, Ruby, Spinel, Gold, 18k Gold, White Gold, Platinum
Burma Ruby Diamond Platinum Vintage Cocktail Ring GIA Certified
Located in Boca Raton, FL
, certified by GIA Burma origin and noted as heated. The ruby’s rich, velvety red glow is beautifully accented
Diamond, Ruby, Platinum
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
$112,000Sale Price|20% Off
GIA Certified 24 Carat Burmese Rubies Diamond Bracelet
Located in Chicago, IL
stunning bracelet is a true masterpiece, featuring 13 natural oval red Burma rubies with a total
Diamond, Ruby, White Gold, 18k Gold, Yellow Gold
$98,000Sale Price|30% Off
GIA Certified 5.19 Carat Burmese Ruby and Diamond Ring
By GEMME
Located in New York, NY
Carats. Ruby certified by GRS as Burma, heated. Diamonds are all certified as D color and VS+ clarity
Diamond, Ruby, Platinum
GIA Certified Pigeons Blood Burmese Ruby and Diamond Ring
By GEMME
Located in New York, NY
Magnificent Pear shape Ruby weighing 4.03 Carats, certified by GIA as Pigeons Blood in color
Diamond, Ruby, Platinum
5.32 Carat Ceylon Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
GIA as natural ruby and originated from Sri Lanka, this is truly a super fine gem. Ring size: 6.25
Diamond, Ruby, Platinum
Bora & Co GIA Certified 2.32ct Burma Ruby & Natural Diamond Ring
Located in New York, NY
Bora & Co GIA Certified 2.32ct Burma Ruby and Diamond Ring A stunning expression of timeless
Diamond, Ruby, Platinum
2.98 Carat Thai Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
ready to be worn. Certified by GIA originated from Thailand. Ring Size: 6 Weight: 9.9 grams
Diamond, Ruby, Platinum
$6,652Sale Price|25% Off
GIA Certified 4.63ct Burma Cabochon Ruby Platinum Engagement Ring
By OGI Ltd
Located in New York, NY
elegance and exceptional craftsmanship. Main Features: Center Stone: GIA Certified Burma Cabochon Ruby
Diamond, Ruby, Platinum
GIA Certified .72ct Round diamond Ruby Band 14kt 12412
By Unbranded
Located in New York, NY
GIA Certified .72ct Natural Diamond Ring. Report #5234279943 Vs-2 Clarity Q-R Range Color Side
Diamond, Ruby, 14k Gold
Exceptional 2.25 Carat Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
. This piece is crafted in platinum and certified by the GIA as natural with a Thailand origin for the
Diamond, Ruby, Platinum
$28,000Sale Price|20% Off
GIA Certified 1.91 Carat Burmese Pigeon’s Blood Ruby Ring
By Antinori Fine Jewels
Located in Chicago, IL
Elegant and refined, this 18K yellow gold ring centers on a GIA-certified 1.58 carat heart-shaped
Diamond, White Diamond, Ruby, 18k Gold
GIA Certified No Heat Ruby & Diamond Ring in Platinum
Located in Great Neck, NY
GIA Certified no heat oval ruby weighing 4.26 carats Measuring (10.87x8.40x4.80) mm Two trapezoid
Diamond, Ruby, Platinum
GIA Certified 1.70Ct Round Brilliant Step Cut Natural Ruby
Located in San Diego, CA
This classic, custom designed ring features a beautiful deep red Round Brilliant Ruby with a GIA
Ruby
GIA Certified 14.68 Star Ruby Diamond Platinum Dangle Earrings
Located in Stamford, CT
Vintage 1940's ruby and diamond dangle earrings. Two GIA certified round rubies set in platinum
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
$59,500Sale Price|31% Off
GIA Certified 16.52 Carat Unheated Star Ruby and Diamond Ring
Located in New York, NY
carats — an exceptionally rare size for a gemstone of this caliber. Certified by GIA as natural and
Diamond, Ruby, Star Ruby, Platinum
GIA Certified 5.85 Carat Natural Star Ruby Diamond Platinum Ring
Located in Stamford, CT
radiant natural cabochon star ruby. Certified by the GIA as natural with no indications of heating. The
Diamond, Ruby, Star Ruby, Platinum
GIA Certified 1.00 Ct Diamonds Certified 1.04 Ct Untreated Mozambique Ruby Ring
Located in New Delhi, Delhi
, in perfect oval cut,spectacular pigeon red color , extra fine quality, and a GIA certified natural
Diamond, Ruby, 18k 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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Accounting for just 1 percent of all diamonds, these marvels of nature are exceedingly rare and gorgeously complex.
Learn about these antique jewelry styles, then choose a design that speaks to you.