Club Engagement Ring with 4.90ct Lab-Grown Asscher Cut Diamond – Bold, Ethical, and Timeless

by Goodstone

Front view of Club engagement ring featuring a 4.90 ct lab‑grown Asscher cut diamond set in a thick 14k yellow gold bezel.
Side profile of Club ring showcasing the chunky tapered shank and bathtub‑style bezel holding the Asscher diamond.
Model wearing the Club engagement ring with 4.90 ct Asscher diamond, visible on finger.
Close‑up of the Asscher cut diamond solitaire in yellow gold Club setting highlighting its geometric brilliance.
Stone:
Lab grown Asscher cut diamonds
Total Carat:
4.9 ctw
Color:
G
Clarity:
SI1
Made In:
USA
Ring story · Bold & ethical

Nearly five carats,
and all conscience.

The Club Engagement Ring by Goodstone centres a hypnotic 4.90ct lab-grown Asscher-cut diamond — step-cut facets that feel both vintage and modern — on a sleek, contemporary band. It makes a bold statement without ever feeling over the top, and it’s ethically grown from start to finish.

Who she is

For the woman who wants
big, beautiful, and guilt-free.

This is the one I pull for someone who dreams of a serious centre stone but wants it done the modern, responsible way. She loves the vintage glamour of an Asscher cut and the idea of nearly five carats that’s still refined, not gaudy.

Sustainability matters to her, and a lab-grown diamond of this quality lets her have the wow factor without the compromise.

A ring that works in photos, in daily life, and decades from now — bold, but never over the top.
What sets it apart

Three things that make it
unforgettable.

01

A hypnotic Asscher cut

The 4.90ct lab-grown Asscher-cut diamond (G colour, SI1) has step-cut facets that create a mesmerising hall-of-mirrors depth — vintage and modern at once. At nearly five carats it commands attention while staying elegant.
Why lab-grown
Lab-grown means this much diamond, responsibly made — the wow factor without the ethical or financial weight of a mined stone.
02

Bold, but still refined

A near-five-carat centre makes a real statement, yet the clean Asscher shape keeps it sophisticated rather than flashy. It’s a stone that demands attention on its own terms.
03

Ethically grown luxury

The diamond is lab-grown — exceptional quality, brilliant sparkle, and ethically sourced. It’s proof that a show-stopping centre stone and a clear conscience can absolutely coexist.
The maker

About Goodstone.

Goodstone is known for lab-grown diamond engagement rings that pair serious quality with modern, customisable design and a responsible approach. The Club ring is a great example — a bold centre stone in a sleek, contemporary setting, made ethically and built to impress.

In real life

A statement stone that’s
built for real life.

The sleek, low-set band keeps this big diamond more wearable than you’d expect, and diamonds — lab-grown or mined — are the hardest material there is, so it stands up to daily life. A large step-cut stone shows smudges more than a sparkly round, so an occasional wipe keeps it crystal clear. Get her size right, and it’s a forever ring.

Common questions

FAQ — what people
actually ask me.

Are lab-grown diamonds real diamonds?

Yes — they’re chemically and optically identical to mined diamonds. The difference is origin, price, and footprint, which is how you get nearly five carats here responsibly and affordably.

What is an Asscher cut?

The Asscher is a square step cut with cropped corners and a striking, geometric hall-of-mirrors depth — vintage-inspired and elegant rather than fiery. It’s a sophisticated alternative to the round brilliant.

Is a five-carat ring too much for everyday?

Not with this setting. The sleek, low band keeps it wearable, though a stone this special deserves a little everyday awareness and an occasional clean to stay dazzling.

Is it a sustainable choice?

Very — the lab-grown diamond is ethically created with a far lighter footprint than mining, so it’s luxury you can genuinely feel good about.

Not sure if this is
the one?

Tell me about her — her profession, her life, her taste. I’ll personally curate 10 rings chosen around your brief.

Get a personal curation →