- 2026 New Collection -

Nature doesn't do straight lines — and neither does SIERRA.

Drawn from the untamed contours of Spain's mountain ranges, this collection translates nature's most effortless curves into fluid, sculptural jewellery with an intentionally imperfect beauty that feels both bold and deeply elegant. Alive with the brilliance of crushed ice-cut gemstones, every piece is designed to be lived in — layered, and made entirely your own.