Tiny 1mm sapphires shade from one colour to the next around a gently waved band, so the rainbow reads as an ombre rather than a stripe. Fine enough to stack three deep.

Details
Natural multi-coloured sapphires, 1mm, full eternity
1mm wave band, 9k, 14k or 18k solid gold
Yellow, rose or white gold
US sizes 3 to 9; other sizes on request

Made to order in Jaipur
Each piece is handmade in our workshop and usually ships in 2 to 4 weeks (most rings in 8 to 10 business days). Sent by insured express courier with tracking, free worldwide. Choose your metal, colour and size from the menu; other stones, sizes and ideas are welcome. Two-year repair warranty, 15-day returns and complimentary gift wrapping.