10 Carat Natural Loose Rubies For Sale (2025)

FAQs

What color ruby is most valuable? ›

Color is the most significant factor affecting a ruby's value. The finest ruby has a pure, vibrant red to slightly purplish red color. In most markets, pure red colors command the highest prices and ruby with overtones of orange and purple are less valued.

The most popular options for selling gemstones are auctions, pawn shops, and private buyers. While online auctions and pawn shops are easy to find and convenient for the seller, they won't offer you the most cash possible for your ruby.

For example, a 2 carat, high-quality heated Burmese ruby can cost in the range of $12,000 per carat. An unheated ruby of the same quality on the other hand could cost up to $35,000 per carat.

Based on what is available in our inventory, the vast majority of rubies that weigh around 1 carat are at least $1,000 per carat. This amount easily doubles if the ruby has not been heat-treated and will increase steeply for rubies that show good color, even if they have been heated.

The very best rubies have a vibrant red colour with a medium tone. They also need to be free from any visible inclusions and have a cut that maximizes their natural beauty. A high-quality ruby like this commands the highest value per carat and will be exceptional in any engagement ring.

Rubies that are graded as VVS and VS are considered to be the highest qualities. There are many different kinds of inclusions that are found in rubies. An inclusion is any characteristic that is found inside the stone. Inclusions are natural.

Value depends on factors such as size, color, clarity, and treatment. Smaller rubies or those with less vivid hues may be more affordable, while larger, high-quality rubies can command a higher price.

If your jewelry has stones, they can also be a large influence on the value. Diamonds and other precious stones like rubies, sapphires, and emeralds are all popular and valuable at pawn shops.

In practice, natural Ruby gemstones without any inclusions are extremely rare. As such, Clarity will usually play a limited part in the valuation of a ruby. Note however, that not all inclusions are visible to the naked eye. So, an 'eye-clean' ruby, with minimal inclusions can command a high price.

How to tell if a ruby is real with a flashlight? ›

Flashlight Test

To conduct this test, rope in a flashlight, turn it on and throw the light on the gemstone. If a ruby is real, it will shine bright when light is focused.

The most desirable colour of ruby is 'blood red' or 'pigeon blood', which is a strong, intense and vibrant crimson, but you can find rubies with a pinkish, or even slightly orange tone.

1. Estrela de FURA $34.8M. The largest and most expensive ruby ring sold by Sotheby's is the Estela de FURA, a 55.22 carat ruby that sold for $34.8M in 2023.

When debating which metal color to use for a specific jewelry item, it is also important to consider the color of the stone being set. The warmth of yellow gold looks better with rubies, citrine, amethysts, and emeralds. The cool tone of white gold nicely complements stones like sapphire, topaz, and diamond.