At GONA, we specialize in lab-grown diamonds, ethically created and identical to natural diamonds in every way. By streamlining the traditional supply chain and selling directly to you, we can offer 2ct IGI-certified diamonds for $399 without compromising on quality, craftsmanship, or luxury presentation. Every piece is handcrafted in Paris, designed to deliver exceptional value for our clients.

Absolutely. All our diamonds are lab-grown, not synthetic substitutes. They meet strict 4C standards:

. Color: E or above
. Clarity: VS or higher
. Cut: Excellent (3EX)

Every diamond over 0.30ct comes with a unique IGI certification number, ensuring authenticity, traceability, and professional grading. You can trust that every GONA diamond is genuine and high-quality.

You can choose from three premium metals:

.Tarnish-Resistant Silver – our signature metal, designed for durability and lasting shine.
.Sterling Silver (925) – classic elegance for a timeless look.
.Solid 14K Gold – luxurious, rich, and built to last.

Absolutely! Our Paris-based artisans can help you select the perfect setting, gemstone, and style, creating a piece that is truly one-of-a-kind. Options include personalized engraving or subtle design details for a unique touch.

To keep your jewelry radiant:

Clean gently with warm soapy water and a soft brush.
An annual professional cleaning helps maintain brilliance and structure.

.Solid 14K Gold: Free resizing is available to ensure a comfortable fit.

.Tarnish-Resistant Silver & Sterling Silver: Please select the correct size when ordering. Minor adjustments may be possible upon request, but large changes may require a new ring. Our team can guide you with size selection tips to ensure the perfect fit.

All pieces come with a 30-day worry-free return/exchange policy. If your ring or other diamond jewelry doesn’t meet expectations, we’ll guide you through an easy return or exchange process, with free U.S. shipping.

. Solid 14K Gold: Comes with a lifetime manufacturing warranty, covering any defects in materials or workmanship.

. Tarnish-Resistant Silver & Sterling Silver: Covered under a lifetime manufacturing warranty for defects in materials or workmanship. Please note that normal wear or significant size adjustments may affect the finish. Our team is happy to provide guidance for care and minor maintenance to keep your jewelry looking its best.

Our lab-grown diamonds are chemically, physically, and optically identical to mined diamonds, offering the same brilliance and durability. IGI certification allows you to verify quality, size, and authenticity.