Teal Sapphire Halo Diamond Ring

This teal sapphire halo ring centres a 3.24ct unheated sapphire, GRS certified, within a starburst diamond halo set in champagne gold.

The halo is arranged for movement rather than a plain even ring. The diamonds alternate in a rhythm that points outward, catching light at different angles as the ring turns, which gives the setting the look of a burst of light around the stone. It is a design that makes a large, already striking sapphire look larger and brighter still, and it frames the colour without ever competing with it.

Champagne gold is the choice that pulls it together. Softer than yellow gold and warmer than white, its muted tone picks up the green side of the sapphire and lends the whole ring an understated, vintage feeling, elegant rather than showy. Against that warm metal the diamonds stay bright and the teal stays cool, a balance of warm and cool that gives the piece a look both current and enduring.

What Makes This Teal Sapphire Rare

Teal sapphire already sits in the space between blue and green. This particular stone goes a step further: GRS certified it as bi-colour, showing two distinct zones, a yellowish green and a blue, within the same crystal. That zoning forms as the crystal grows through changing conditions deep in the earth, picking up different colour bands along the way. A skilled cutter then orients the rough so those zones read as one shifting colour rather than two separate blocks, which is a real test of judgement at the wheel.

That this stone is also unheated raises it further. Most sapphire on the market is heated to even out and deepen colour, a permanent and accepted treatment, which tends to blend away the very zoning that makes a stone like this interesting. This one has kept its two natural colours exactly as the earth grew them, and the GRS report confirms both the zoning and the absence of heat. For anyone drawn to a stone with genuine individuality, that combination is rare and hard to repeat.

Commission Showcase

This custom engagement ring was created exclusively for a GIOIA client and is not available for purchase. If this design speaks to you, we can compose something in the same spirit, with an unheated sapphire sourced and assessed by Clarence Yee, co-founder and gemstone specialist at GIOIA.

Let’s Create Yours

Drawn to a teal sapphire, or a different stone entirely? Every GIOIA commission starts with the stone in your hand, under natural light, at our private boutique at International Plaza. Tell us what you have in mind.