Antwerp-based supplier of IGI-certified CVD lab-grown diamonds and melee, and GIA-certified natural diamonds on request, for the jewellery trade. Create a free trade account to access our live stock and prices.

Free · B2B only · Approved within 1 business day

CVD Lab-Grown
IGI
Natural
GIA · on request
Conflict-free
Responsibly sourced
No. 11727
Registered diamond trader
Live stock – updated daily

What's in our Antwerp vault today.

How it works.

01

Create a free trade account

Register your company with your VAT number. Approved within 1 business day.

02

Browse live stock and prices

See every stone with certificate, photos and trade price excl. VAT.

03

Order and pay by bank transfer

Receive a pro forma invoice. Delivery in 1–3 working days after payment.

About Medina

A trusted partner for the diamond trade.

Medina Diamonds is an Antwerp-based B2B wholesale supplier of IGI-certified CVD lab-grown diamonds and melee. We supply jewellers and gem traders across Europe with consistent quality, transparent grading and competitive pricing.

Read our story→
Why Medina

Why choose Medina?

01

Direct Wholesale Pricing

No middlemen — direct supplier pricing built to protect your margins.

02

Impeccable Quality Standards

Every diamond independently graded and certified before it ships.

03

Ethically & Sustainably Grown

Minimal environmental impact and fully conflict-free production.

04

IGI Certified

Every lab-grown diamond graded by IGI — one of the world's most respected gemological institutes.

05

Wide Range of Shapes & Sizes

From melee to 5ct+ across ten shapes — serving all inventory needs.

1–3 Working days
Delivery after payment
Shapes

Diamond shapes we offer.

Round cut lab-grown diamond
Round
Oval cut lab-grown diamond
Oval
Radiant cut lab-grown diamond
Radiant
Pear cut lab-grown diamond
Pear
Princess cut lab-grown diamond
Princess
Emerald cut lab-grown diamond
Emerald
Marquise cut lab-grown diamond
Marquise
Cushion cut lab-grown diamond
Cushion
Heart cut lab-grown diamond
Heart
Asscher cut lab-grown diamond
Asscher
Our Certifications

Every Diamond, Independently Certified

Lab-grown diamonds certified by IGI. Natural diamonds certified by GIA.

IGI — International Gemological Institute
International Gemological Institute

IGI — globally recognised diamond certification authority

GIA — Gemological Institute of America
Gemological Institute of America

GIA — certifying the natural diamonds we supply on request

A standard upheld by the trade.

Live stock

A deep, live inventory ready for immediate allocation.

IGI certified

Every stone graded by IGI — one of the world's most respected gemological institutes.

Wholesale pricing

Honest trade pricing built to protect your margins.

Fast shipping

Delivery in 1–3 working days after payment.

Melee & fancy

Round brilliants, calibrated melee, and a full range of fancy cuts.

Direct service

A direct line to a team that understands the trade.

Delivered on schedule.

Every time.

1–3
working days

Delivery in 1–3 working days after payment, fully insured and traceable.

7
days

Custom and out-of-stock requests fulfilled and shipped within seven business days.

Certified CVD lab-grown diamond
Wholesale Enquiries

Ready to see our full stock?

Create a free trade account and get access to live inventory and trade prices.