Every photo and video is of this exact stone.
One of a kind · Only 1 available
Natural Ruby Round Cut Loose Gemstone 3.9mm 0.28 Ct | Fine Red Corundum for Custom Jewelry Design
$168.00
SKU MSX17401
- Carat weight
- 0.28 ct
- Certificate
- No certificate
- Free US shipping
over $35 - 30-day returns
- Ships to
50+ countries
Questions? Call 212-840-3660.
About this stone
PRODUCT DESCRIPTION
This natural ruby round cut gemstone offers vibrant red color in a precision-cut 3.9mm size, ideal for custom jewelry projects and gemstone collections.
A versatile loose stone with classic appeal, perfect for rings, earrings, pendants, and professional jewelry manufacturing.
About This Piece
Known as the king of colored gemstones, ruby has captivated jewelry lovers for centuries with its rich crimson beauty and exceptional durability. This 3.9mm round-cut natural ruby showcases attractive brilliance and a timeless appearance that works beautifully in both contemporary and traditional settings.
Its calibrated dimensions make it suitable for jewelers, designers, and hobbyists seeking a reliable gemstone for bespoke creations. Whether used as a center stone or accent gem, this ruby delivers enduring elegance and color.
Key Details
• Stone/Material: Natural Ruby (Corundum)
• Cut/Shape: Round Faceted
• Color/Tone: Rich Red
• Clarity/Grade: Commercial Natural Quality
• Metal: Loose Gemstone – No Setting Included
• Size/Weight: 3.9mm / 0.28 Carat
• Finish: Precision Faceted Polish
• Setting: Suitable for Prong, Bezel, Halo, and Cluster Designs
Why You'll Love It
• Classic red gemstone treasured for generations
• Durable material suitable for everyday jewelry wear
• Calibrated size simplifies custom mounting work
• Excellent choice for fine jewelry production and repair projects
Perfect For
This loose ruby is ideal for custom engagement rings, July birthstone jewelry, artisan creations, restoration work, and one-of-a-kind handmade designs. It pairs beautifully with yellow gold, white gold, rose gold, platinum, and sterling silver settings.
A thoughtful gemstone choice for anniversaries, milestone celebrations, collectors, and jewelry makers seeking authentic natural materials.
Quality Promise
Each gemstone is individually inspected for appearance, dimensions, and overall quality before shipment. We carefully select stones that meet our standards for beauty and craftsmanship.
Natural gemstones may display minor inclusions and characteristics that make every piece uniquely authentic.
Shop Info
• Processing time: 1–2 business days
• Shipping: Domestic and International options available
• Returns: Accepted within 30 days of delivery
• Gift wrapping: Available upon request
• Certificate: In-house authenticity certificate included upon request
Specifications
| SKU | MSX17401 |
|---|---|
| Carat weight | 0.28 ct |
| Origin | Natural |
| Certificate | None |



