Several designs have gems on them. Stone rings from THOMAS SABO feature hand-set gemstones set in recessed openings that give the rings a luminous finish. Available as centre stones or combined with other stones, the gemstones come in different cuts and colours. br> br>You can tell what a lot of work is put into THOMAS SABO rings with their filigree designs. Their jewellery is also delicately finished, showing their high standard of design. Most of the rings are made with sterling silver, but some have gold or rose gold plating.