July Birthstone: Ruby – the stone of passion and strength

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September 16, 2025

On August 27, 2021

For those born in July, the ruby stands as their official birthstone—a gem celebrated for its fiery crimson hues, legendary symbolism, and timeless grandeur. More than just a dazzling accessory, ruby carries millennia of meaning, spanning ancient myths, royal traditions, and modern-day reverence. Let’s explore its origins, properties, and why it remains a cherished emblem of July birthdays.

1. What is Ruby?

Ruby is a variety of the mineral corundum, a family that also includes iconic blue sapphires (the only difference between the two is trace elements: ruby gets its red from chromium, while sapphire owes its color to iron and titanium). Its name derives from the Latin word ruber, meaning “red”—a nod to its signature, intense hue that ranges from vivid pinkish-red to deep, saturated “pigeon’s blood” (the most prized shade).

Geologically, ruby forms in metamorphic rocks (like marble) and pegmatites, requiring extreme heat and pressure to develop. Major sources of high-quality rubies include:

Myanmar (Burma): The historic “gold standard” for rubies, especially the Mogok Valley, which produces rare “pigeon’s blood” stones with unrivaled color.

Mozambique: The modern top producer, known for vibrant red rubies with slight purple undertones, often more accessible than Burmese varieties.

Tanzania: Home to the Winza mine, which yields small but exceptionally clean rubies with bright red hues.

Other regions: Sri Lanka (pinker rubies), Thailand (brownish-red stones), and Madagascar (recently emerging as a source of quality gems).

Ruby’s durability is one of its greatest strengths—with a Mohs hardness of 9 (second only to diamond), it’s suitable for everyday wear, making it a staple in long-lasting jewelry.

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2. Symbolism: Passion, Power, and Protection

Throughout history, ruby has been tied to the most intense human emotions and ideals—perfectly mirroring July’s fiery summer energy. Its crimson color evokes passion and vitality, making it a symbol of deep love and desire. Ancient cultures also believed ruby held protective powers: Burmese warriors embedded rubies in their skin before battle, thinking the gem would shield them from harm and grant invincibility.

Beyond love and protection, ruby symbolizes power and courage. In Hindu tradition, it was called ratnaraj (“king of gems”), believed to bestow wealth, authority, and clarity of purpose on its wearer. For July babies, this symbolism aligns with the month’s bold, sunny spirit—a time of confidence, action, and embracing life’s passions.

3. Cultural and Historical Significance

Ruby’s legacy stretches back over 4,000 years, leaving its mark on civilizations across the globe:

Ancient India: Hindus considered ruby a sacred gem, associating it with the god Surya (the sun). They believed wearing ruby could prevent poverty, cure illness, and even extend life. Royalty adorned crowns and scepters with rubies to signify their divine right to rule.

Ancient Rome: Romans imported rubies from India, using them in jewelry and intaglios (carved seals) for official documents. They thought the gem’s red hue mirrored the blood of heroes, linking it to strength and honor.

Medieval Europe: Knights carried ruby pendants into battle, trusting the gem to protect them from injury. The Catholic Church also valued ruby, using it to decorate religious artifacts (like bishops’ rings) as a symbol of Christ’s blood and sacrifice.

Modern Times: Ruby remains a favorite of royalty and celebrities—Queen Elizabeth II owns a stunning Burmese ruby parure (matching necklace, earrings, and bracelet), while Princess Diana’s engagement ring (now worn by Kate Middleton) originally included a ruby option. It’s also the traditional gem for the 15th and 40th wedding anniversaries, symbolizing enduring love and commitment.

4. How to Choose and Care for Ruby

When selecting a ruby, focus on three key factors to ensure quality:

Color: The most valuable rubies have a bright, even “pigeon’s blood” red (no brown or blue undertones). Stones with strong color saturation (not too pale) command the highest prices—Burmese “pigeon’s blood” rubies are often the most sought-after.

Clarity: Most natural rubies have small inclusions (like tiny rutile needles, called “silk”), which are often seen as proof of authenticity. Look for stones where inclusions don’t block light or make the gem look cloudy; “eye-clean” rubies (no visible flaws to the naked eye) are rare and expensive.

Cut: Rubies are often cut into oval, cushion, or round shapes to maximize their color and brilliance. The “cabochon” cut (smooth, rounded top) is also used for rubies with unique optical effects (like star rubies, which show a six-pointed star under light).

To keep your ruby looking its best:

Avoid exposure to harsh chemicals (such as bleach, perfume, or hairspray) and extreme heat (which can fade its color or damage inclusions).

Clean it gently with warm, soapy water and a soft brush, then dry with a lint-free cloth. Avoid ultrasonic cleaners for rubies with significant inclusions (they can cause cracks).

Store it separately from harder gems (like diamonds) to prevent scratches—while ruby is durable, it can still be scuffed by harder materials.

5. Ruby in Jewelry: Timeless and Iconic

Ruby’s bold red hue complements all skin tones and pairs beautifully with both gold (enhancing its warmth) and silver (creating a striking contrast). It’s a versatile gem in jewelry design:

Birthstone Jewelry: Ruby necklaces, bracelets, and earrings are popular for July birthdays, often paired with other summer gems like peridot (August) or sapphire (September) for a vibrant, seasonal look.

Everyday Pieces: Dainty ruby studs, minimalist pendants, or thin ruby bands add a pop of color to casual outfits—their durability makes them perfect for daily wear.

Statement Jewelry: Large ruby cocktail rings, drop earrings, or chokers make a bold impression at formal events. Star rubies (with their unique star effect) are especially eye-catching in statement pieces, showcasing the gem’s natural magic.

In short, ruby is more than just a July birthstone—it’s a gem that carries the fire of passion, the strength of power, and the legacy of royalty. For July babies, it’s a perfect reflection of their birth month: a blend of summer’s intensity and timeless elegance, wrapped in a stunning crimson package.