Crafting Ethical Brilliance

At Sitara Diamonds, we provide IGI-certified lab-grown diamonds with care, precision, and a commitment to ethical sourcing.

Close-up of a sparkling round lab-grown diamond resting on a velvet cushion under soft, warm lighting.
Close-up of a sparkling round lab-grown diamond resting on a velvet cushion under soft, warm lighting.
Exceptional quality and service.

J. Smith

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How It Works

A seamless process from enquiry to delivery, tailored for trade professionals.

Enquire

Submit your diamond requirements via our enquiry form or book a call.

Close-up of a jeweller examining a sparkling round lab-grown diamond under magnification.
Close-up of a jeweller examining a sparkling round lab-grown diamond under magnification.
Selection

Choose from our ethically sourced, IGI-certified loose diamonds in key shapes.

Our catalogue offers detailed specs to help you find the perfect match.

Delivery
Insured courier carefully handling a luxury box containing loose diamonds ready for delivery.
Insured courier carefully handling a luxury box containing loose diamonds ready for delivery.
Elegant display of round, oval, and emerald cut lab-grown diamonds on a velvet tray.
Elegant display of round, oval, and emerald cut lab-grown diamonds on a velvet tray.

Select Shape

Choose from round, oval, emerald, or pear cuts.

Close-up of four diamond shapes—round, oval, emerald, and pear—displayed on a velvet tray.
Close-up of four diamond shapes—round, oval, emerald, and pear—displayed on a velvet tray.
Place Order

Send your enquiry or request a quote; our team will confirm availability and lead time within 2–3 weeks.

A professional reviewing diamond specifications on a tablet with a luxury office background.
A professional reviewing diamond specifications on a tablet with a luxury office background.
Receive Delivery

Your ethically sourced, IGI-certified diamonds arrive securely via insured courier, ready for your next creation.

Get in Touch

Reach out to Sitara Diamonds for enquiries, quotes, or to book a call with our team.

Phone

+44 20 7946 0958

Email

contact@sitaradiamonds.co.uk