| Specification Details | |
|---|---|
| Gemstone | Yellow Sapphire |
| Weight | 2.56ct |
| Shape | Oval |
| Treatment | Unheated |
| Certificate | GRS |
| Side Stones | Micro Pavé Round Brilliant Diamonds |
| Metal | 18K Yellow Gold |
| Band | Twisted Split-Shank |
Why Unheated Matters for Yellow Sapphire
Sapphire is one of the most commonly heat-treated gemstones in the trade. Heating is a permanent, widely accepted process that can lighten, darken or intensify colour and improve clarity, and the large majority of yellow sapphire sold worldwide has been treated this way. There is nothing wrong with a heated stone, but it is a fundamentally different product from one that came out of the earth already this colour.
An unheated yellow sapphire is rarer, and a laboratory certificate is the only way to confirm it. The GRS report on this stone documents no evidence of heat treatment, which places it in the smaller pool of yellow sapphires valued for natural origin rather than furnace work. For collectors, and for anyone who wants the assurance that the colour they fell for is entirely the work of nature, that distinction is the whole point.
Commission Showcase
This customised engagement ring was created exclusively for a GIOIA client and is not available for purchase. If this design speaks to you, we can create 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 yellow sapphire, or a different colour 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.
