Loose lab-grown diamonds · IGI certified

Every forever
begins with a stone.

Hand-selected stones in ten signature cuts, graded, filmed in 360° HD, and sold direct from the region that cuts most of the world's diamonds.

Loose lab-grown oval diamond held in tweezers
2.03 ct Oval · VS1 · E
IGI LG625114208 · $2,940
10 cutsOval to Asscher
From $390/ctTransparent pricing
100% grownNever mined
Grown above ground IGI & GIA certified Ten signature cuts Filmed in 360° HD Free worldwide shipping Made to order by hand Grown above ground IGI & GIA certified Ten signature cuts Filmed in 360° HD Free worldwide shipping Made to order by hand
The collection

Shop by shape

Ten cuts, one standard. Every stone is filmed and graded before it earns a place here.

Our craft

Crafted with care. Shown with clarity.

No stock photos, no surprises. The stone you study on screen is the stone that arrives at your door.

01360° HD video of every individual stone
02Independently graded by IGI or GIA, always
03Hand-inspected twice before it ships to you
See how we grade
Gemologist inspecting a lab-grown diamond with a loupe
Macro of a diamond's facets
Bespoke

If you can picture it, we can craft it.

A sketch on a napkin, a photo you've saved for years, a family stone reimagined: our workshop builds custom pieces around any diamond you choose.

Start a custom piece
01

Share your idea

Send a sketch, a Pinterest board, or just a feeling. A designer replies within 24 hours with direction and an honest quote.

02

Approve the design

We model your piece in 3D and send photoreal CAD renders. Revise as many times as you like; nothing is made until you love it.

03

Wear it in three weeks

Your chosen stone is set by hand, inspected, certified, and shipped insured to your door. Lifetime service included.

Loose diamonds sorted on a velvet gem tray
Ten signature
cuts
Gold solitaire ring with oval lab-grown diamond
Ready to
ship
Loose diamonds on parcel paper
Gold diamond ring in an ivory ring box
Custom
studio
Introducing

The Debut Edit

Our first release of hand-selected stones · up to 20% off with code CULTURE20

Shop the edit
IGI / GIA certifiedEvery stone, independently graded
Free shipping & returnsInsured worldwide, 30-day returns
Ethically grownAbove ground, fully traceable
Made to orderSet by hand in our workshop
Our mission

“Real diamonds, grown above the ground, so brilliance never has to cost the earth or the people on it.”

Every Culture Carats stone is chemically and optically identical to a mined diamond: grown in weeks, not extracted over decades, and traceable from lab to your hand.

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