MINISTRY OF GEMS®
DIGITAL GEMSTONE PASSPORT
Cornflower Blue Ceylon Sapphire 5.71ct Oval
STONE ID · 1398
Identification photograph — this individual stone, as catalogued
- Gem type
- Sapphire
- Origin
- Ceylon (Sri Lanka)
- Carat weight
- 5.71 ct
- Dimensions
- 11.43 x 8.85 x 6.66 mm
- Shape & cut
- Oval
- Colour
- Cornflower Blue
- Tone & saturation
- Moderate saturation
- Treatment
- Natural stone — treatment under laboratory verification
- Certification
- Available on request
✓ Assessed in-house by our FGAA-qualified gemmologist, Sydney.
Treatment disclosure. Treatment status was not declared in this stone's intake documentation, and it had not been independently tested at the time of listing. Ministry of Gems therefore makes no claim either way — we do not describe it as unheated. Independent laboratory testing can be arranged on request before purchase, and the sale is conditional on your satisfaction with the result.
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/cornflower-blue-ceylon-sapphire-5-71ct-oval-1398?view=passport
Rendered 15 August 2026 · Ministry of Gems® · Sydney, NSW · ABN 85 635 892 732