en.wikipedia.org/wiki/Ruby

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium ... This is one example where inclusions increase the value of a gemstone. .... notably a ring set with an 8.24 ct gem that broke the 'price-per-carat' record for rubies ($512,925 per carat, i.e. over $4.2 million in total), .... 54 (1): 35– 41.

www.gemsociety.org/article/ruby-jewelry-and-gemstone-information

Fine quality rubies are some of the most expensive gems, with record prices over $100,000 per carat. Accurately grading rubies requires knowing a great deal ...

www.wpdiamonds.com/how-much-ruby-worth

Jul 27, 2017 ... Find out how much your ruby is worth and how to get the best offer. ... Though it's likely your ruby is not this large, your stone's carat weight will ...

www.gemstoneuniverse.com/ruby-gemstone-price-market-price-per-carat-of-ruby.php

Ruby Gemstone price is determined by cut, color, clarity, carat weight, lack of treatment and current demand & supply equations.

www.carat-online.at/ruby-rubies/index.html

Oct 12, 2018 ... Best-quality rubies can command the highest per-carat price of any colored stones. Ruby rates 9 on Mohs hardness scale, so it´s perfect for ...

www.ruby-sapphire.com/r-s-bk-prices.htm

Mar 7, 2013 ... In an attempt to bring ruby and sapphire pricing in from the cold, the author, ... Mogok rubies continue to bring top prices in the wholesale trade and at auction. .... Quality & price per carat (in US$; K=1000) ... 1–975, 35–175

www.israel-diamonds.com/search/rubies/default.aspx

Results 1 - 20 of 220 ... Find the perfect loose Burmese ruby here. You can filter your results according to shape, price and carat. You can also compare similar ...

www.quora.com/How-much-is-one-carat-of-ruby

5 carats is 1 gram so 1 carat of Ruby will be .2 grams. There is no generic price range of Ruby with prices ranging from $ 10 per carat for glass filled Ruby ...

www.ebay.com/b/Afghanistan-Loose-Rubies/10254/bn_73066607

Results 1 - 48 of 193 ... Free Shipping on many items across the worlds largest range of Afghanistan Loose Rubies. Find the ... Shipping cost: Free shipping cost.. $10.99 ... 35 Grams Natural Beautiful Red Color RUBY Specimen from Afghanistan.