Jewellery Jewellery houses Sophie Bille Brahe
Collier de Tennis Royal
A diamond tennis necklace in 18 carat recycled gold ending in a one-carat solitaire, by Sophie Bille Brahe.
- Designed by
- Sophie Bille Brahe
- Made by
- Sophie Bille Brahe

Pictures © Sophie Bille Brahe, from sophiebillebrahe.com.
Why it is renowned
The Collier de Tennis Royal is a diamond tennis necklace by Sophie Bille Brahe in 18 karat certified recycled yellow gold, 42 cm long, finishing in a 1.00 carat solitaire. It is delivered with GIA certificates.1
The story
Sophie Bille Brahe made the Royal as a rework of the Collier de Tennis, one of her collection's bestsellers, with larger diamonds. The Collier series shows her signature: a classic form with something deliberately off about it, a twist.1
Sources
- Collier de Tennis Royal, Sophie Bille Brahe. sophiebillebrahe.com, read 5 October 2026.
Last checked 6 October 2026, against the maker's own pages.