How does Burmese blue sapphire compare to Kashmir and Ceylon?

Three classical premium origins, each with a distinct colour signature. Kashmir is famously velvety-blue with a slight grey/silky undertone (supply effectively exhausted). Ceylon is cornflower-blue with brighter saturation. Burmese is royal-blue with the strongest body fluorescence and a denser, velvety character. Pricing tracks pedigree: Kashmir highest, Burmese and Ceylon similar at top quality.

What is 'velvety' in Burmese sapphire description?

It refers to the visual softness of the body — light scatters off internal silk inclusions, producing a glow rather than a transparent crispness. The character is distinctive of Mogok marble-hosted deposits and difficult to replicate in other origins. Strong velvety appearance is a positive in the trade.

Should I expect to find unheated Burmese in stock at Skyjems?

Skyjems carries unheated Burmese blue sapphire as a thin, rotating category — current count is 6 SKUs. New arrivals are posted to the website and announced through the private archive. For specific size/colour requirements, the curator can source through the dealer network. Contact +1-416-366-3335 or [request a private viewing](https://skyjems.ca/pages/schedule-a-private-viewing).

Can I commission a bespoke piece around a Burmese blue sapphire?

Yes — the bespoke programme is gem-first. Choose the lab-certified Burmese stone, then David Saad designs the setting in platinum or 18K gold. The velvety character of the stone reads best under daylight and incandescent light; the setting can be designed to maximise both. Lead time is typically 4–8 weeks. Contact the curator at +1-416-366-3335.

ENCYCLOPEDIA · DAVID SAAD · SKYJEMS

Unheated Burmese Blue Sapphire — Lab-Certified

Name: Skyjems
Address: 27 Queen St East, Suite 1011, Toronto, ON, M5C 2M6, CA
Telephone: +1-416-366-3335
Price range: $$$$

Key concepts: burmese blue sapphire, mogok blue sapphire, unheated blue sapphire, royal blue, gia burmese sapphire

Burmese blue sapphire — from the Mogok Stone Tract — is one of the three classical premium origins for blue sapphire, alongside Kashmir and Ceylon. Unheated Burmese blues display a deeply saturated royal-blue colour with strong fluorescence and a velvet-like body character that is distinct from Sri Lankan or Madagascar material. Skyjems' Burmese blue sapphire inventory in this slice is small (6 unheated SKUs) and rotates as new stones arrive — please enquire with the curator for current selection.

Why Burmese blue sapphire commands its premium

Three reasons. (1) Origin pedigree — Mogok has been a major sapphire source for centuries. (2) Colour character — the marble-hosted deposits produce a saturated royal-blue with a distinctive velvety body. (3) Supply scarcity — modern Burmese export is constrained by political conditions and ethical-sourcing scrutiny, which tightens the available unheated tier further.

What "no indications of heating" requires

GIA, Lotus, and SSEF issue this conclusion only after microscopic examination (silk pattern, healed fingerprints), spectroscopic analysis, and trace-element review find no evidence of thermal treatment. For Burmese blue specifically, untreated material shows characteristic silk inclusions visible under magnification.

Five-step evaluation

(1) Lab letter confirms origin = Myanmar (Mogok where supported) and treatment = no indications of heating; (2) colour reads royal-blue with velvety body character; (3) clarity is eye-clean with characteristic silk visible only under magnification; (4) cut returns light through the centre; (5) carat weight matches the lab.

Skyjems inventory snapshot

Burmese blue sapphire is a thin-supply category at Skyjems. Current unheated SKUs: 6. Browse /collections/sapphire and filter by origin, or contact the curator for forthcoming arrivals.

Private viewings and bespoke

Contact Skyjems at +1-416-366-3335 or request a private viewing — for thin-supply categories, the curator's private inventory may include unlisted stones not yet on the website.