Red Ruby Unheated
2010s Mozambican Loose Gemstones
Ruby
2010s Malagasy Loose Gemstones
Ruby
2010s Tanzanian Loose Gemstones
Ruby
2010s Malagasy Loose Gemstones
Ruby
2010s Mozambican Loose Gemstones
Ruby
2010s Mozambican Loose Gemstones
Ruby
2010s Indian More Jewelry
Ruby
2010s American Modern Three-Stone Rings
Diamond, Ruby, Platinum
2010s Indian More Jewelry
Ruby
Vintage 1960s French Band Rings
Diamond, Ruby, Gold, 18k Gold
2010s Unknown Contemporary Loose Gemstones
Ruby
2010s Indian More Jewelry
Ruby
2010s Burmese Loose Gemstones
Ruby
2010s Afghan Loose Gemstones
Ruby
2010s Indian More Jewelry
Ruby
2010s Indian More Jewelry
Ruby
2010s Indian More Jewelry
Ruby
2010s Malagasy Loose Gemstones
Ruby
2010s Vietnamese Loose Gemstones
Ruby
2010s Tajikistani Loose Gemstones
Ruby
2010s Loose Gemstones
Ruby
2010s Indian More Jewelry
Ruby
2010s Loose Gemstones
Ruby
21st Century and Contemporary Unknown Loose Gemstones
Ruby
2010s Vietnamese Loose Gemstones
Ruby
2010s Pakistani Contemporary Loose Gemstones
Ruby
2010s Loose Gemstones
Ruby
2010s Indian More Jewelry
Ruby
2010s Indian More Jewelry
Ruby
2010s Indian More Jewelry
Ruby
2010s Indian More Jewelry
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Unknown Loose Gemstones
Ruby
2010s Unknown Contemporary Engagement Rings
Diamond, White Diamond, Ruby, Platinum
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Malagasy Loose Gemstones
Ruby
2010s Indian More Jewelry
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
2010s Drop Earrings
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
2010s Loose Gemstones
Ruby
21st Century and Contemporary More Jewelry
Ruby
2010s Burmese Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
2010s Indian More Jewelry
Ruby
2010s Indian More Jewelry
Ruby
2010s Unknown Contemporary Engagement Rings
Diamond, White Diamond, Ruby, 18k Gold, White Gold, Yellow Gold
21st Century and Contemporary Mozambican Loose Gemstones
Ruby
21st Century and Contemporary Cocktail Rings
White Diamond, Ruby, Platinum
21st Century and Contemporary Dangle Earrings
White Diamond, Ruby, 18k Gold
- 1
Red Ruby Unheated For Sale on 1stDibs
How Much is a Red Ruby Unheated?
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.
- Roman Malakov DiamondsMarch 22, 2021A heated ruby is a ruby wherein 1600 - 1700 degrees centigrade of heat is applied to the stone to improve it's color, luster, and/or clarity. This is a common method for most rubies is not a bad at all. What makes unheated rubies valuable is their rarity. To find a beautiful ruby that does not need heat to improve it's beauty is very rare and highly unlikely.
- What is ruby red glass?1 Answer1stDibs ExpertMay 5, 2023Ruby red glass is a type of glass with a vibrant red color that comes from gold chloride. Ancient glassmakers once used the technique, which was then lost for centuries. In 1676, Andreas Cassius rediscovered the process, but it wasn’t until the end of the 19th century that glassworks began manufacturing ruby red glass in large quantities. Shop a selection of ruby red glassware on 1stDibs.
- When was ruby red glass made?1 Answer1stDibs ExpertApril 5, 2022Deep red ruby glass was made in the ancient world, but the process of making the color was lost for centuries before it was rediscovered in the 17th century. On 1stDibs, shop a collection of ruby glass from some of the world’s top sellers.
- Who made ruby red glassware?1 Answer1stDibs ExpertMay 5, 2023Johann Kunckel von Löwenstern first made ruby red glassware sometime around 1679. However, he kept his technique a secret, so the glass didn't become mass-produced until the end of the 19th century when the Ehrenfeld Glassworks in Ehrenfeld, Germany, managed to uncover Kunckel von Löwenstern’s formula. On 1stDibs, shop a range of ruby red glassware.
- 1stDibs ExpertFebruary 22, 2021A red Burmese ruby is worth $10,000 USD per carat. These types of rubies tend to be among the most expensive rubies in the world. In a record-setting sale, a Burmese ruby was sold for $1 million per carat.
- 1stDibs ExpertOctober 19, 2021How much a red ruby ring is worth will depend on certain quality factors. High-quality ruby rings can range in price from anywhere between $12 to $1,600. The value of a ruby will increase owing to color. Find a collection of red ruby rings on 1stDibs today.
- 1stDibs ExpertApril 5, 2022To tell real ruby red glass, look at the cuts used throughout the design. Most ruby red glass has sharp, dramatic cuts. Because it is easy to confuse with pressed glass, consider having the object evaluated by an experienced and licensed appraiser. Shop a selection of expertly vetted ruby red glass on 1stDibs.