Écrin

The quatrefoil and the flower

Le Petit Cactus or Piaget Sunlight

Mellerio · Piaget

Le Petit Cactus ring with five rose gold cactus flowers of spiky stamens, each centred on a white, brown or yellow diamond, on a cream ground
Image © Mellerio

Mellerio

Le Petit Cactus

The flower of the vanilla cactus, which opens for one night a year, made as a small burst of rose gold stamens around a single stone.

Piaget Sunlight ring in rose gold: a disc of engraved gold rays edged with diamonds around a diamond-set centre, on a transparent ground.
Image © Piaget

Piaget

Piaget Sunlight

The sun as a disc of gold rays, each segment engraved, brushed or polished, around a halo of diamonds.

Night and day. The vanilla cactus behind Le Petit Cactus opens for one night a year; Laure-Isabelle Mellerio, fourteenth generation of her family, made its pistil and stamens into a small rose-gold burst in 2019, with a white, brown or yellow diamond or a sapphire at the centre. Piaget Sunlight takes the midday sun, rays of engraved, brushed and polished gold around a diamond halo, a theme born in high jewelry in 2017. Both are rose gold and sized for daily wear.

Mellerio Le Petit Cactus vs Piaget Piaget Sunlight, facts side by side
FactLe Petit CactusPiaget Sunlight
Introduced2019—
DesignerLaure-Isabelle Mellerio—
SchoolPlace VendômeGeneva
Materialsrose gold, diamond, coloured diamond, sapphire, tsavorite, otherrose gold, white gold, diamond, turquoise, malachite, mother-of-pearl, sapphire, chalcedony, other
MovesNoNo
From€440€2,100
Top of line€4,100€50,500

Prices in euros as published by each house, October 2026.