VeriCarat™ Elite 3–10 Carat IGI Certified Lab-Grown Diamond Jewelry

A curated selection of premium lab-grown diamonds between 3 and 10 carats, each IGI certified for cut, clarity, color, and carat weight. Ethical, modern luxury jewelry designed with verified brilliance and lasting elegance.
Filter and sort 39 products
Availability
Price
The highest price is $6,299.00
$
—
$
Sort by
Availability
Price
The highest price is $6,299.00
$
—
$
39 products
Filter and sort
Clear all

Lab-Grown Diamond & Fine Jewelry by Black Jack

Black Jack creates premium lab-grown diamond jewelry and personalized memory diamonds crafted using a personal carbon contribution from a loved one or companion. Our diamonds are ethically grown using advanced CVD technology and crafted into engagement rings, wedding rings, stud earrings, pendants, necklaces, and tennis bracelets.

We also specialize in lab-grown ruby, sapphire, emerald, moissanite, and fine silver jewelry — thoughtfully designed for everyday elegance and meaningful occasions. Each piece is created with precision, transparency, and trusted craftsmanship.

From modern engagement rings to deeply meaningful tribute jewelry, Black Jack brings together innovation, emotion, and lasting value — all in one place