Ruby A Quality 3.5mm Round Diamond-Cut
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- Gemstone
Natural ruby- July birthstone
Ships within 2–3 business days
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- Free shipping over $99
- 30-day returns & size exchanges
- Secure checkout
Questions about this piece?
Ask a jewelry specialist · (407) 278-9308 · Mon to Fri, 10am to 5pm ET
The details
Deep red and round, this loose ruby is cut with brilliant facets that catch the light from every angle. It is a natural ruby, heat-treated, graded A quality. No metal comes with it, so the stone arrives on its own, ready for a setting of your choosing. The diamond-cut facets give it a bright, even sparkle once it is mounted. You might set it in a ring for evening or in a small pendant for daily wear. It suits a jeweler, a maker, or anyone who wants a July birthstone to build a piece around.
Key Features
- Set with red ruby
- Stone treatment: heat-treated
Why You’ll Love It
- A bold red stone that gives a small piece real color.
- You choose the setting, so the finished piece is yours.
- Bright facets keep the red lively in any light.
- A fitting pick for anyone born in July.
Perfect For
Suited to birthdays, anniversaries, Valentine's Day, Mother's Day and everyday wear once set. It is a good choice for jewelers, makers, and anyone who loves a red gemstone.
Size & fit
- Questions about fit? Call a jewelry specialist at (407) 278-9308.
Shipping & returns
- Free standard shipping on U.S. orders of $99 and above; under $99 the rate is shown at checkout.
- Orders ship within 2 to 3 business days in insured packaging, with tracking sent by email.
- Faster delivery: USPS Priority Mail and UPS options at checkout, where rates and delivery estimates are shown before you pay.
- Not the right piece, or the wrong size? Return it, or exchange it for another size, within 30 days of delivery. Items must be unworn and in their original condition and packaging.
- Covered by our One-Year Limited Jewelry Warranty against manufacturing defects.
Jewelry care
- Put jewelry on last, after lotion and perfume, and take it off before showering, swimming or sleeping.
- Store each piece on its own in a soft pouch so it doesn't scratch.

The details
- Metal
- Gemstone
- Stones
- 1 natural round ruby, 3.5 mm
- Birthstone
- July
Show all specifications
- Stone color
- Red
- Made in
- Mozambique
- Item number
- BCX-XXX-RTJK
About ruby
The red variety of corundum, ruby has long been the stone of passion and protection, and the July birthstone.
Hardness 9 on the Mohs scale · Durable for daily wear; clean with warm soapy water and a soft brush. Shop July birthstones