Diamonds, coloured stones, watches and jewellery: a free, no-obligation valuation.
- Free valuation
- No commission
- Insured FedEx and DHL pickup
- Fast payment
Get your free valuation
How it works
- 1
Submit your piece
Send photos and details online. It takes a few minutes.
- 2
Expert review
Our gemmologists assess it against current market prices.
- 3
Receive an offer
You get a clear offer, with no obligation.
- 4
Accept and send
We arrange a free, fully insured FedEx or DHL pickup.
- 5
Inspection
We verify your piece when it arrives in Antwerp.
- 6
Fast payment
Once confirmed, the payment goes straight to your account.
What we buy
- Diamonds
- Coloured stones
- Watches
- Antique jewellery
- Other jewellery
Why Sothis
- Best value
- Competitive offers aligned with global market trends.
- Trust and transparency
- Every step, from appraisal to payment, is clear and secure.
- No middlemen
- Direct selling: no auction houses, no hidden fees.
- Sustainable luxury
- Refurbishing old jewellery for a new generation.
- Expertise
- Certified gemmologists with decades of experience.
Questions
Is the valuation free?
Yes. The valuation is free and you're under no obligation to accept our offer.
How do I send my piece?
Once you accept an offer, we arrange a free, fully insured FedEx or DHL pickup. You can also bring it to us in Antwerp.
When do I get paid?
After your piece arrives and our experts have inspected and verified it, payment goes directly to your account. There are no commissions.
Do I need a certificate?
No. A GIA, IGI or HRD report helps, but we also buy diamonds and jewellery without one.
What if I don't accept the offer?
Nothing happens. The offer is without obligation.