Ruby Buying GuideRuby Buying Guide

Ruby Specialist Mini Course

Ruby Buying Guide

By International Gem Society, updated on

Ruby stands as the ultimate symbol of luxury among precious gemstones, commanding prices that often exceed those of diamonds in comparable sizes. This remarkable gem possesses exceptional hardness that creates outstanding resistance to scratching and daily wear damage. The coveted deep red color of the finest rubies has inspired countless legends and romantic tales throughout human history.

What makes rubies particularly fascinating involves their unique relationship with imperfections. Inclusions that would severely damage other gemstones’ value can actually enhance ruby character and desirability. Some inclusions create spectacular “star stone” effects that collectors prize above flawless specimens.

The ruby market presents extraordinary challenges for modern buyers. Gem-quality natural rubies occur so rarely that geologists estimate finding one significant stone requires processing thousands of tons of host rock. Meanwhile, consumer demand continues growing exponentially, particularly in Asian markets where rubies hold deep cultural significance.

This supply-demand imbalance has created a marketplace flooded with synthetic alternatives and enhanced stones. Modern laboratory techniques produce rubies virtually indistinguishable from natural specimens without sophisticated testing equipment. Additionally, ruby treatments have become so advanced that even experienced dealers sometimes struggle to identify enhanced stones without professional gemological analysis.

Successful ruby buying requires understanding not just beauty, but


International Gem Society


Never Stop Learning

When you join the IGS community, you get trusted diamond & gemstone information when you need it.

Become a Member

Get Gemology Insights

Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!