Every ring in this collection was built around a stone you cannot find off the shelf.
GIOIA specialises in custom rings centred on natural, unheated gemstones — pigeon blood rubies, royal blue sapphires, neon Paraiba tourmalines — sourced directly and vetted in-house by our GIA-certified gemologist. No catalogue stones. No heated fillers. Every piece below started as a single rare gem and was engineered into a one-of-a-kind ring around it.
Browse our portfolio of custom engagement rings, proposal rings, and wedding bands made for clients in Singapore. See something you love? We’ll build your version from scratch.




Blue Sapphire Ring with side diamonds
Blue Sapphire Oval with side diamonds and curve bands in platinum

Blue Sapphire Engagement Ring Halo Diamond
Royal Blue Sapphire Engagement Ring Halo Diamond Unique Design in Singapore

Heart Shape Pink Sapphire Gemstone with Halo Diamond Ring
Heart Shape Pink Sapphire Unheated Halo Diamond with side Diamond

Cornflower Blue Sapphire Engagement Ring Unique Vintage inspired Milgrain And Filigree Design
Sapphire Engagement Ring with Vintage Filigree Miligree detailing and diamond in Singapore

Violet Purple Sapphire Ring Japan anime wings with Sakura Inspiration
Violet Purple Sapphire Engagement Ring Japan anime wings with Sakura Inspiration

Round Brilliant Sapphire | Status: Private Commission
Sapphire Engagement Ring Round Brilliance side spaced out diamond platinum unique proposal ring in Singapore

Teal Sapphire Engagement Ring Floral Inspiration
Teal Sapphire Engagement Ring with Floral Inspired Design Proposal Ring

Colour Change Sapphire Engagement Ring with Leaves Inspired design
Colour Change Sapphire Leaves Inspired Engagement Ring Perspective

Bespoke Sky Blue Sapphire Hydrangea Ring (Nature Motif) | Status: Private Commission
Sky Blue Sapphire Engagement Ring with Leaves Inspired Design and hydrangea flora design in Singapore

Unheated Yellow Sapphire Octagon Ring | Status: Private Commission
Yellow Sapphire Unheated Octagon Pave Diamond Ring with initial

Lavender Violet Sapphire with Halo Diamond & Pink Spinel Sapphire Ring
Lavender Violet Sapphire with Halo Diamond & Pink Spinel Sapphire Ring bespoke fine jewellery in Singapore

Vivid Blue Unheated Sapphire Ring Natural Leaves Diamond Proposal Ring Perspective
Vivid Blue Unheated Sapphire Ring Natural Leaves Diamond Proposal Ring - Gemstone Engagement Ring in Singapore

Bespoke Teal Sapphire Ring (Hidden Initials) | Status: Private Commission
Teal Sapphire engagement ring with personalised initials unique design

Round Brilliant Blue Sapphire with Twisted Diamond Ring
Round Blue Sapphire with twisted diamond ring in champagne gold eye colour gemstone - Custom jewelry in Singapore

Bespoke Teal Sapphire Ring Leaves Inspired | Status: Private Commission
Custom Wedding Ring design with floral leaves design and round brilliance diamond as proposal ring

Blue Sapphire Ring with Personalised Design
Custom Ring design with blue sapphire and marquise diamond. Personalised design to your style with bespoke jewellery Christian cross and mountain inspired design

Teal Sapphire Eye colour gemstone with Mandarin Garnet Diamond Ring Bluish Green Eye Inspiration Perspective
Teal sapphire colour gemstone engagement ring with side diamond ring - Eye colour gemstone

Padparadscha Sapphire Engagement Ring with side diamond
Sapphire Padparadscha Engagement ring with diamond

Cornflower Blue Sapphire with unique Fancy Aquamarine Curve Diamond Ring | Status: Private Commission
A sentimental customised engagement ring featuring a velvety Cornflower Blue Sapphire with unique Aquamarine side stones representing the couple's birthstones. Handcrafted in Singapore.

