MINISTRY OF GEMS®
DIGITAL GEMSTONE PASSPORT
Blue Australian Sapphire 1.58ct Oval
STONE ID · 12336
Studio photograph of this individual stone
- Gem type
- Sapphire
- Origin
- Australia
- Carat weight
- 1.58 ct
- Dimensions
- 7.15 x 6.56 x 3.91 mm
- Shape & cut
- Oval
- Colour
- Blue
- Treatment
- Natural stone — treatment under laboratory verification
✓ Assessed in-house by our FGAA-qualified gemmologist, Sydney.
Treatment disclosure. This is a natural stone. Its treatment status is currently undergoing independent laboratory verification under our FGAA-qualified gemmologist. Results are disclosed in writing before sale, and laboratory certification is available on request.
Full treatment disclosure · independent laboratory certification on request · free lifetime re-authentication — this stone may be returned to the house at any time, by any owner, for verification against this record.
This stone appears on the house Treatment Register — every stone we offer, its status public.
This passport is served live from the Ministry of Gems catalogue — it cannot be forged by reprinting.
Verify at any time: ministryofgems.com.au/products/blue-australian-sapphire-1-58ct-oval-12336?view=passport
Rendered 15 August 2026 · Ministry of Gems® · Sydney, NSW · ABN 85 635 892 732