Greg Sims / Duepunti

A "solitaire" solitaire, a sieve ring incapable of holding anything under 1ct diamonds, an engagement ring engagement ring, ring box rings... Halifax jeweller Greg Sims is a trove of clever treasures. Visit his site for much more!

Bonus link: for more unconventional diamond rings, see Italy's Duepunti, who sets their gems in silicone bands.

Even more jewellery:

• Studio Sora (Japan) - modern wedding


• Kristi Rae Wilson (Texas) - metal & textiles


• Louise West (UK) - lace & silver