July Birthstone: Ruby — Color, Meaning & Jewelry Guide

By Tolga Kavut, founder of Glamour Jewelry House · Updated September 2026

The July birthstone is ruby — the red one. Not a red: the red, the color the word itself came to define. Ancient Sanskrit called it ratnaraj, the king of gems, and for most of recorded history a fine ruby outpriced a diamond of the same size. It still does.

July babies get passion, courage and midsummer heat compressed into one stone — and, conveniently, one of the most durable gems in existence. Here is the July birthstone as I explain it over the counter: what pigeon’s blood actually means, why ruby and sapphire are secretly the same mineral, and how to buy red honestly.

Shop July birthstone jewelrySee all 12 birthstones

July birthstone at a glance

What color is the July birthstone?

Red, obviously — but the shade is everything. Ruby runs from bright pinkish red to deep, slightly purplish crimson, and the most valuable color in the entire colored-stone world is the one Burmese traders named pigeon’s blood: a pure, vivid red with the faintest cool undertone, glowing as if lit from within. That glow is real — the chromium that makes ruby red also makes it fluoresce, so fine rubies literally emit extra red light in sunshine.

One border worth knowing: corundum has to be red to be ruby. The same mineral in blue, pink or yellow is sapphire. Where pink ends and ruby begins is a genuine, ongoing trade argument — which tells you how much money rides on the word “red.”

What does the July birthstone mean?

Ruby has meant the same thing for three thousand years: life at full intensity. Its red was read as the blood’s own color, so the stone promised vitality, courage and protection — Burmese warriors famously inserted rubies under their skin to become invincible in battle. In India it was the king of gems and the gem of kings; in medieval Europe it guaranteed health, wealth and success in love.

Today the shorthand is passion. A ruby is the least ambiguous gift in jewelry — nobody has ever received one and wondered what the giver meant.

A short history of ruby

For eight centuries the story of ruby was the story of one valley: Mogok, in upper Myanmar, whose stones set the world standard. Many of history’s most famous rubies turned out to be impostors — the Black Prince’s Ruby in the British Imperial State Crown is actually a spinel, now August’s birthstone — which only pushed real Burmese prices higher. The modern chapter belongs to Mozambique, whose 2009 discoveries now supply most of the world’s fine ruby and finally made July’s birthstone something an ordinary buyer can own.

How to buy a good ruby

Color over everything. A vivid, open red beats a bigger, darker stone every time. Too dark and the fire dies; too pink and you are in sapphire territory paying ruby prices.

Expect heat, and don’t fear it. The overwhelming majority of rubies are heat-treated — a permanent, stable, centuries-old practice standard at every price level. Unheated fine rubies are collector territory. The treatment to avoid is glass-filled “composite” ruby sold suspiciously cheap; those are fragile and not a bargain.

Small inclusions are normal. Ruby is rarer clean than sapphire; fine silk-like inclusions are expected and can soften the color beautifully. Avoid only cracks reaching the surface.

Caring for ruby jewelry

Almost none needed. At 9 Mohs ruby laughs at daily wear — warm soapy water when it dulls, and that is the whole regimen.

Shop July birthstone jewelry

Every piece is made to order in 18K gold — choose ruby at checkout for a July birthday, and add a name, initial or date if you’d like it engraved.

Natural Birthstone NecklaceFrom $57 Birthstone RingFrom $57 Teardrop Birthstone NecklaceFrom $58 Family Birthstone NecklaceFrom $59 Personalized Birthstone BraceletFrom $59 Custom Name Necklace with BirthstoneFrom $59

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July birthstone jewelry: where to start

Ruby is one of the few colored birthstones I recommend for rings without hedging — a July birthstone ring at corundum hardness is a true daily-wear piece, and red against gold is as classic as jewelry gets. That said, a small ruby at the collarbone is quietly devastating: a bezel-set July birthstone necklace, engraved with a name or date, is the piece July customers come back to tell me about.

In family jewelry, a July stone is the heartbeat of the lineup — the drop of true red in a family birthstone necklace or a personalized birthstone bracelet that every eye finds first.

July birthstone questions

What is July’s birthstone?

Ruby — red corundum, called the king of gems, and July’s only official birthstone.

What color is the July birthstone?

Red — ideally vivid and pure. The most prized shade is “pigeon’s blood,” a glowing red with a faint blue undertone.

Are ruby and sapphire the same mineral?

Yes — both are corundum. Chromium turns it red, and only red corundum is called ruby; every other color is sapphire.

Is ruby good for everyday rings?

Excellent — at 9 on the Mohs scale, ruby is one of the most durable gems available and needs no special care.

Are most rubies treated?

Yes — heat treatment is standard, permanent and accepted throughout the trade. Avoid only glass-filled composite rubies.

Birthstones for every month

Each month has its own guide to its stone, color and meaning — or start with the complete birthstones by month chart.

• January birthstoneGarnet · Deep red
• February birthstoneAmethyst · Violet purple
• March birthstoneAquamarine · Sea blue
• April birthstoneDiamond · Colorless
• May birthstoneEmerald · Vivid green
• June birthstonePearl · Cream white
• July birthstoneRuby · Rich red
• August birthstonePeridot · Olive green
• September birthstoneSapphire · Royal blue
• October birthstoneOpal · Play-of-color
• November birthstoneTopaz · Golden yellow
• December birthstoneTurquoise · Robin’s-egg blue

You might also like

• September birthstone — sapphire, ruby’s corundum twin in every other color
• January birthstone — garnet, the affordable red birthstone
• August birthstone — spinel, the stone long mistaken for ruby