Every diamond has a story.

Discover the heritage, expertise and philosophy behind Sothis Diamonds.

The stone on this page: a 7.06 ct round brilliant, F colour, SI2 clarity, graded by IGI.

Rooted in Antwerp.A family passion since 1970.

What began as a family passion in 1970 has grown into a name built on excellence, integrity and transparency.

From Hoveniersstraat, in Antwerp’s diamond quarter, we buy old jewellery and offer select diamonds, gemstones and fine jewellery to clients across Europe.

1970
A family passion
Today
Hoveniersstraat 2, Antwerp

Under the loupe

Every piece we buy or sell is examined by our gemmologists. Move the loupe across the stone to see what guides our work.

Move to inspect.Drag the loupe across the stone.

Point 01

Best value

Competitive offers, informed by the market on the day.

Point 02

Transparency

You see how we reach our offer, from first look to payment.

Point 03

Direct selling

No auctions, no intermediaries, no commission.

Point 04

Expertise

Every stone evaluated by experienced gemmologists.

Point 05

Sustainable luxury

Existing jewellery, given another life.

The anatomy of trust

An offer starts with the stone itself. These are the characteristics we weigh. The figures are this stone’s, from its IGI report.

Cut: Very Good; How well the facets return light.
Colour: F; From D, colourless, towards light yellow.
Clarity: SI2; Inclusions and blemishes under 10× magnification.
Carat: 7.06 ct; Weight. Larger stones are rarer.
Certification: IGI; An independent report, checked against the stone.
Condition: Checked in person; Chips, abrasion and wear.
Market: Priced on the day; Current demand for stones like this one.

The Sothis journey

Photo added
01
Submit your jewellery
Send photographs, a few details and any documents you have.
02
Expert review
Our gemmologists examine your submission.
Preliminary valuation
Item
Round 7.06 ct
Colour
F
Clarity
SI2
Report
IGI
Offer
Preliminary until the piece is verified in person.
03
Receive an offer
A preliminary, no-obligation offer. It becomes final once the piece is verified in person.
04
Accept and send
If you accept, we agree a secure way for the piece to reach us.
Diameter 11.94 – 12.09 mm
Table 59%
05
Inspection and verification
A final physical examination confirms quality and authenticity.
Confidence at every step.
06
Payment
Once approved, you are paid directly and securely.