Isabella Roux Fine Jewellery

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Large 18k gold gold ring with a large gemstone on a white background with wave design by Isabella Roux

All Collections

Most Loved

Handcrafted Pebble Pearl 22" Necklace featuring freshwater pearls in 3 - 5mm and 18K yellow gold clasp by Isabella Roux.

Handcrafted Pebble Pearl 22" Necklace featuring freshwater pearls in 3 - 5mm and 18K yellow gold clasp by Isabella Roux.

Pebble Pearl 22" Necklace CHF 1,350.00

Bespoke 18K yellow & white gold Diamond & Lapis Classic Ring featuring a 2.2ct round brilliant lab grown diamond and carved deep blue lapis lazuli in a halo around by Isabella Roux

Bespoke 18K yellow & white gold Diamond & Lapis Classic Ring featuring a 2.2ct round brilliant lab grown diamond and carved deep blue lapis lazuli in a halo around by Isabella Roux

Diamond & Lapis Classic Ring Enquire

Handcrafted 18K yellow gold Diamond & Ruby Face Charm Pendant featuring a stylized face set with sparkling diamond eyes and ruby mouth by Isabella Roux.

Gold necklace with 18K yellow gold Diamond & Ruby Face Charm Pendant featuring a stylized face set with sparkling diamond eyes and ruby mouth by Isabella Roux.

Diamond & Ruby Face Pendant CHF 5,000.00

Handcrafted 18K yellow gold Diamond Pebble Hoop Earrings featuring 0.50ct round brilliant lab grown diamonds in bezel pebble settings with detachable drops by Isabella Roux.

Illustration with handcrafted 18K yellow gold Diamond Pebble Hoop Earrings featuring 0.50ct round brilliant lab grown diamonds in bezel pebble settings with detachable drops by Isabella Roux

Diamond Pebble Hoop Earrings CHF 2,200.00

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A Yellow Diamond Slice Ring with a 0.61ct yellow diamond slice, surrounded by yellow diamond pavé set in 18K yellow gold.

Yellow Diamond Slice Ring

Yellow Diamond Slice Ring Enquire

Bespoke 18K white and yellow gold Diamond Cup Ring featuring a 1.52ct round brilliant lab grown diamond set in a signature bezel style cup by Isabella Roux.

Bespoke 18K white and yellow gold Diamond Cup Ring featuring a 1.52ct round brilliant lab grown diamond set in a signature bezel style cup by Isabella Roux.

Diamond Cup Ring Enquire

Handcrafted 18K yellow gold Diamond & Pearl Pebble Earrings featuring 0.40ct total weight round brilliant diamonds and a pair of white Akoya drop-shaped pearls by Isabella Roux.

Jewellery illustration with handcrafted 18K yellow gold Diamond & Pearl Pebble Earrings featuring 0.40ct total weight round brilliant diamonds and a pair of white Akoya drop-shaped pearls by Isabella Roux.

Diamond & Pearl Pebble Earrings CHF 3,200.00

The Ruby Slice Ring in 18K yellow gold is powerful in its simplicity. Sitting flat to the finger, the ruby slice is set in simple rounded lines of 18K yellow gold. Please enquire to commission a piece inspired by this design.

Ruby Slice Ring

Ruby Slice Ring Enquire

Sadhbh Isabella Roux-Fouillet, Creative Director of Isabella Roux, drawing jewellery designs on a piece of paper with a pencil, surrounded by art supplies.

Bespoke Jewellery Design

Handcrafted 18K yellow gold Baroque Pearl Necklace featuring unique white baroque freshwater pearls knotted on green thread with pearl drop pendant by Isabella Roux

Handcrafted 18K yellow & white gold Diamond & Lapis Pebble Ring featuring a 0.71ct oval lab grown diamond set inside hand-carved lapis lazuli by Isabella Roux.

The Lapis Collection

Deep blue. Bold. Serene. The Lapis Collection celebrates the quiet strength of this striking stone — each piece reflecting its depth, clarity, and unmistakable colour.

Bespoke 18K yellow and white gold Diamond Mosaic Ring featuring a 1.5ct round brilliant diamond framed by a decorative diamond mosaic pavé by Isabella Roux

Sadhbh Isabella Roux-Fouillet and her husband holding hands under a colorful umbrella on their wedding day

Engagement & Bridal

18k gold bespoke diamond ring with a blue gemstone on a light green background by Isabella Roux

Bespoke

Our bespoke service is a collaborative process — a conversation between story, form, and feeling. From one-of-a-kind creations to heirloom remakes, each piece is crafted to carry meaning and strength

Discover Bespoke

Artistic illustration of a face with jewelry on a beige background by Isabella Roux

Cloudy sky reflected in a calm body of water with a distant shoreline in Ireland, from the Isabella Roux lookbook.

Sadhbh Isabella Roux-Fouillet, Creative Director of Isabella Roux, in her atelier, in front of inspiration board and drawings

Meet Sadhbh