Looking for rough diamonds for sale? Goma Precious Minerals supply high-quality, ethically sourced uncut natural diamonds in various shapes, sizes, and grades. Whether you’re crafting custom jewelry, expanding your inventory, or investing in raw gemstones, our rough diamonds offer exceptional value and authenticity.
Each stone is carefully inspected for carat weight, clarity potential, crystal shape, and color, ensuring buyers receive genuine quality directly from trusted mining regions.
Our Rough Diamond Selection
We carry a wide range of rough diamonds to fit every buyer’s needs:
- Industrial-Grade Rough Diamonds – Ideal for tools, machinery, and commercial use
- Gem-Quality Rough Diamonds – Perfect for faceting into high-value gemstones
- White Rough Diamonds – High clarity and brilliance potential
- Colored Rough Diamonds – Yellows, browns, champagnes, pinks, and rare fancy colors
- Crystal Clusters & Specimens – Ideal for collectors and display pieces
- Large Carat Rough Diamonds (5ct–20ct+) – Rare, investment-worthy stones
Each diamond is photographed individually—you receive the exact stone shown.
Testing, Purity & Certification
All rough diamonds offered are:
- 100% natural and untreated
- Verified through diamond testers, XRF, or spectroscopy
- Graded for color, clarity, shape, and carat weight
- Available with GIA or reputable gemological certification upon request
- Ethically sourced from conflict-free mining regions
We maintain strict transparency so you know exactly what you’re buying.
Why Buy Rough Diamonds?
Rough diamonds offer distinct advantages for both investors and jewelers:
- Higher profit potential when cut and polished
- More affordable than finished stones
- Greater customization for bespoke jewelry
- Growing demand in both luxury and industrial markets
- Excellent long-term store of value
Whether you’re cutting, collecting, or investing, rough diamonds provide exceptional opportunity.
Secure, Insured Shipping Worldwide
Every order includes:
- Discreet, protective packaging
- Fully insured international shipping
- Fast processing with tracking
Your rough diamonds arrive safely and securely, ready for grading, cutting, or display.
Why Choose Rough Diamonds?
- More Affordable Than Cut Diamonds
Rough diamonds provide excellent value per carat, making them ideal for craftsmen and investors. - Perfect for Custom Jewelry Making
Jewelers can cut or polish the stones to achieve unique, high-profit designs. - Natural & Untreated
Completely raw diamonds with no artificial modifications. - High Investment Potential
Larger rough diamonds are especially valued for long-term appreciation.
Our Rough Diamond Inventory
Goma Precious Minerals offer a diverse selection of rough diamonds, including:
- Industrial-grade rough diamonds
- Gem-quality raw diamonds
- Large high-carat rough stones (5–20+ carats)
- Colored rough diamonds – yellow, brown, champagne, and rare fancy hues
- Bulk rough diamond parcels for wholesalers
All stones come with verified weight, color assessment, and origin documentation.
Ethically Sourced & Quality Assured
Our rough diamonds come from responsible mining zones and undergo strict evaluation before sale. We ensure:
- Ethical, conflict-free sourcing
- Accurate carat and clarity assessment
- Competitive wholesale and retail pricing
- Secure global delivery
- Transparent and trustworthy transactions
Buy Rough Diamonds Online
Discover high-quality rough diamonds for sale today. Browse our available stones, request detailed specifications, and enjoy expert guidance from our gemstone specialists.
Authentic natural diamonds • Secure shipping • Best value per carat
