Summary
Ruby is red—specifically a rich, vibrant red that can range from pinkish-red to deep, dark crimson. The most valuable rubies display a vivid, pure red often described as “pigeon blood,” which has long been prized for its intensity and beauty.
Rubies are one of the most recognizable gemstones in the world, largely because of their bold color. While red is the defining trait, not all rubies look exactly the same. Subtle differences in tone, saturation, and brightness can dramatically affect a ruby’s appearance and value. Let’s take a closer look at what really defines ruby color.
Ruby’s Signature Red Color
Ruby is defined by its red color—any corundum gemstone that is red is classified as a ruby.
This red hue comes from trace amounts of chromium within the stone, which give rubies their unmistakable warmth and glow. If the stone leans too far toward pink, purple, or orange, it may be classified differently depending on gemological standards.
At its best, ruby red appears vivid, saturated, and lively rather than dark or dull.
Shades and Variations of Ruby
Rubies can appear in a range of red tones depending on where and how they formed.
Some rubies lean slightly pink or purplish, while others appear deeper and more intense. Lighting also plays a role—rubies often look brighter in natural light and darker indoors.
Common ruby color descriptions include:
- Pigeon blood red – vivid red with a slight blue undertone
- Pinkish-red – lighter, softer red tones
- Purplish-red – deeper red with violet hints
- Dark red – rich but sometimes less lively
How Color Affects Ruby Value
Color is the most important factor when determining a ruby’s value.
The most valuable rubies have strong saturation, medium-to-medium-dark tone, and even color distribution. Stones that are too dark may appear less brilliant, while pale stones may lack the intensity buyers look for.
Here’s a simple breakdown of ruby color quality:
| Color Feature | Impact on Value |
|---|---|
| Vivid red | Highest value |
| Medium tone | Ideal brightness |
| Even color | More desirable |
| Brown or gray tones | Lower value |
Understanding ruby color helps buyers appreciate why some rubies are rare—and why others are more affordable.
If you’d like to learn more about ruby color or explore ruby jewelry options, contact The Diamond Reserve. Our team is happy to help you find a gemstone that fits your style and budget. We can help you create a custom piece of jewelry with a ruby or any other stone your heart desires. Give us a call at 303-385-8449 or click here to schedule an appointment.
FAQs
Is ruby always red?
Yes. Red is what defines a ruby—other colors of the same mineral are classified differently.
What is pigeon blood ruby?
It’s a term used for the most vivid, high-quality red rubies with slight blue undertones.
Can rubies be pink?
Some rubies appear pinkish-red, but stones that are too pink may be classified as pink sapphires.
Does ruby color fade over time?
No. Natural rubies retain their color permanently.
Are darker rubies better?
Not always—rubies that are too dark may lose brilliance and appear less vibrant.
