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NATURAL DIAMONDS- the ultimate benchmark, formed deep within the Earth over billions of years.
Certifications: Guaranteed and certified (GIA, IGL, EGL, or DGI). Clear stones 0.50 ct and up come with a GIA certificate. Natural black diamonds will not come with a certificate.
Diamond Test: Heck YES!
Stone Comparison: The ultimate benchmark for all other diamonds.
GEMSTONES- our newest lab-engineered, conflict-free stones. Brighter, shinier, and more mesmerizing than many natural diamonds, remarkably cleaner, and more flawless, with incredible fire. Highly durable for daily wear. An excellent, cost-effective alternative to natural diamonds.
Diamond Test: Yes. Passes using a special gem tester and common handheld testers.
Note: While BDNY gems excel, a local jeweler using specialized equipment for natural diamond identification may differentiate based on subtle, unique electrical conductivity.
Certifications: Yes. A certificate for stones over 0.50 ct is available upon request (before shipping).
CERTIFIED MOISSANITE- stunning, near-colorless lab-grown gemstone (silicon carbide). Exhibits more fire (rainbow flashes) than diamonds. Hardness of 9.25 (Mohs scale), highly durable for daily wear. D-F color, VS1 Clarity, certified by GRA with a unique girdle code.
Diamond Test: Yes. Passes using a special gem tester and common handheld testers.
Note: While Lab Grown Diamond gems excel, a local jeweler using specialized equipment for natural diamond identification may differentiate based on subtle, unique electrical conductivity.
Certifications: Yes. Stone 0.50 ct and up comes with a certificate of authenticity, except for custom-cut diamonds (coffin, kite, hexagon, etc.). A certificate for special cut stones is available upon request before shipping.
Stone Comparison: Lab-Grown Diamond.

PREMIUM CVD LAB-GROWN DIAMONDS (Chemical Vapor Deposition Lab-Grown)- certified lab-grown diamonds, atomically identical to mined diamonds, composed of pure crystalline carbon via the CVD process. Visually indistinguishable from natural diamonds, even to trained jewelers.
Diamond Test: Yes. Confidently passes the diamond test using a special gem tester.
Certifications: Yes. Stone 0.50 ct and up comes with a certificate of authenticity.
Stone Comparison: A top-tier quality lab-grown diamond. Available for stone upgrades at a premium cost.

HPHT DIAMONDS (High Pressure High Temperature Lab-Grown)- real lab-grown diamonds created using the HPHT method, replicating Earth's extreme conditions. Highly durable and virtually indistinguishable from mined diamonds in physical, chemical, and optical properties. Can be colorless, yellow, or brown.
Diamond Test: Yes. Passes using a special gem tester.
Certifications: Yes. Stone 0.50 ct and up comes with an IGI certificate.
Stone Comparison: A top-tier quality lab-grown diamond.

BUDGET-FRIENDLY STONES

SIMULATED DIAMONDS - not mined diamonds, but they sparkle like one. Expert diamond cutters guarantee our Simulated Diamonds are a cut above the rest, offering premium sparkle without the high cost. Our older stones, which were previously called Created Diamonds, are also diamond simulants and will not pass a diamond test.
Diamond Test: No.
Certifications: No.
Stone Comparison: More like high-quality sapphire but better.

BDNY DIAMOND ALTERNATIVE- also known as Diamond Alternative or Diamond Simulant. These are beautifully crafted, premium simulants designed to replicate the look of natural diamonds. They feature fine color, exceptional brilliance, and precise cutting for maximum sparkle. While these stones are not natural diamonds or certified lab-grown diamonds, they are ideal for everyday wear, providing diamond-like shine at a fraction of the cost.
Diamond Test: No.
Certifications: No.
Stone Comparison: Falls between premium zirconium-based crystal and sapphire-grade simulants, with enhanced brilliance and clarity.

CREATED DIAMONDS- not natural diamonds or certified lab-grown diamonds, but they are premium stones that offer exceptional brilliance, superb cuts, and fine colors. They're perfect for everyday wear, giving you the look of a diamond at a much more accessible price. 
Diamond test: No.
Certifications: No.
Stone Comparison: More like a high-quality zirconium and sapphire, but with superior brilliance.

Note: Our budget-friendly stones are shown in diamond-equivalent carat size for easy comparison.

NATURAL GEMSTONES- we offer a wide variety of natural gemstones, including amethyst, citrine, garnet, ruby, sapphire, emerald, morganite, peridot, topaz, aquamarine, rose quartz, tourmaline, and many more.

ARE THESE REAL DIAMONDS AND WILL THEY PASS THE DIAMOND TEST?

All our Natural Diamonds, Premium CVD Lab-Grown Diamonds, HPHT Lab-Grown Diamonds, are designed to pass common handheld diamond testers, confirming their composition.

Our Simulated Diamonds, Created Diamonds, are diamond imitators and will not pass a diamond tester. They are excellent, cost-effective alternatives, visually beautiful but costing significantly less (approximately 1% of a diamond's cost for similar beauty and shine).

Please note that Lab Grown Diamond consistently pass our advanced diamond testers and on common handheld testers, a local jeweler using specialized equipment for natural diamond identification may differentiate them based on subtle, unique electrical conductivity. In very rare instances, this specialized testing might result in the stones not passing their specific evaluation.

Check our stone authenticity for full transparency.

DIAMOND CERTIFICATES

• All our natural (clear and colored) diamonds 0.40 carat and up will come with GIA certificates.
• All our CVD/HPHT lab-grown diamonds will come with IGI certificates.
  
• Natural black diamonds will not come with certificates.

APPRAISAL VALUE
Our natural diamonds, CVD, and HPHT Lab-grown diamonds can be appraised by any local jeweler. Please note that appraised values can vary based on factors such as current market conditions and the appraiser's methodology. Therefore, we cannot guarantee a specific appraised value. All our budget-friendly sparkles, like Alternative, Simulated Diamonds, and Created Diamonds, are not recommended for appraisal as they are diamond imitators only.

FREE LIFETIME DIAMOND SERVICE
When you purchase an engagement ring with us, you become a valued member of the Kels Jewelry family. We pride ourselves on providing continuous premium service, including care and minor repair, complimentary ring polishing, and a lifetime diamond service.

DISCLAIMER:
Please note that stone colors may vary slightly depending on the cut, size, stone carat, and type of stones/diamonds being used (e.g., Simulated Diamonds like Sona, Sapphires, Diamond Alternative, and Created Diamonds have more saturated hues compared to lab diamonds, natural diamonds, and other gemstones). Please contact our team for more info.

Each product listing specifies the exact stone type used and whether a default stone is included or a stone selection is required at checkout. The stone type for your order will also be clearly stated on your invoice and order confirmation. Where applicable, some stones may be treated or enhanced to improve color or durability.