Shop by category
NEW ARRIVAL
CUSHION CUT MONTANA SAPPHIRE SOLITAIRE
Featuring a handpicked Montana sapphire in a beautiful teal blue-green shade, set in 14K yellow gold. Its colour shifts subtly with the light, giving this classic design its own character.
Shop New Arrivals
More than
jewelry
Studio Cosette creates delicate, timeless jewelry using traditional techniques, reclaimed metals, and ethically sourced gemstones. Each piece is a quiet tribute to beauty, sustainability, and intentional craftsmanship.