What is parti sapphire?

A single sapphire crystal showing distinct colour zones — typically blue, green, and yellow — within the same stone. Parti sapphires are characteristic of Australian deposits (Anakie field) and a few other origins. The cutter chooses how to orient the cut to highlight or balance the zones. Heated parti sapphire loses the zoning, so the category requires unheated material.

What is teal sapphire?

A unified blue-green colour, distinct from parti (which shows separate zones). Teal sapphire is increasingly popular for engagement rings as an alternative to classic blue. Australian and Madagascar deposits both produce teal material; Australian teal tends slightly darker and more saturated.

Why does Australian sapphire price below Ceylon?

Pedigree and the typical commercial market preference for purer cornflower blue. Australian iron-rich chemistry produces darker stones that command less premium in classic-blue grading. But for parti and teal — categories Australia leads — pricing is competitive with other origins because the supply is concentrated there.

Is unheated more important for Australian sapphire?

Yes, particularly for parti and teal material. Heating can change colour zoning and shift the resulting colour. Availability changes; review the current selection and each stone's treatment information.

Can I commission a bespoke ring around an Australian sapphire?

Yes. Sapphire's hardness (Mohs 9) suits engagement rings and daily wear. Parti and teal stones reward bezel or low-profile prong settings that frame the colour. Lead times vary by project. Contact Skyjems at +1-416-366-3335 or [book a private viewing](https://skyjems.ca/pages/schedule-a-private-viewing).

Illustration of blue sapphires: cushion cut, round cut, crystals, rough stones, and a map of Australia. — Educational illustration generated with meta/muse-image.

ENCYCLOPEDIA · SKYJEMS

Australian Sapphire — Unheated, GIA-Certified

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

Silver ring with a heart-shaped dark blue-green gemstone and diamond halo, worn on a finger. — Skyjems in-house photography/video, SKU GIAS1046

Key concepts: australian sapphire, anakie sapphire, parti sapphire, teal sapphire, unheated sapphire

Australia produces sapphire from the Anakie deposits in central Queensland and from New South Wales. Australian sapphires often display parti-coloured and teal hues — combinations of blue and green within the same crystal — due to their iron-rich chemistry. Skyjems' Australian unheated selection includes both classic blue and parti material.

Why Australian sapphire is its own category

The Anakie deposits produce sapphires with distinctive iron-rich chemistry, which gives the stones a slightly darker, often greener-blue colour than Sri Lankan or Madagascar sapphires. The same chemistry produces parti-coloured stones — single crystals showing zones of blue, green, and yellow — that have become a signature of Australian origin. Teal sapphire (a unified blue-green) is increasingly popular for engagement rings.

Why unheated matters here

Most commercial Australian sapphire is heated to lighten the body and pull out a pure-blue colour. Heating destroys the parti zoning and shifts teal toward pure blue. Unheated Australian sapphire retains the natural colour — the parti or teal character is the entire point of the category at top quality.

Origin determination

Independent specialist laboratories such as GIA may issue Australian origin opinions based on trace-element fingerprints and inclusion patterns. The Anakie field is a commonly cited origin on laboratory reports; New South Wales material is a smaller subset.

Five-step evaluation

(1) Lab confirms origin = Australia (Anakie or NSW) and treatment = no indications of heating; (2) colour shows either classic darker blue or distinctive parti/teal character; (3) clarity is eye-clean to lightly included; (4) cut respects the parti zoning if present (slicing across zones is a deliberate choice); (5) carat weight matches the lab.

Skyjems inventory snapshot

Browse Australian sapphire at /collections/sapphire, including parti and teal material when available.

Private viewings and bespoke

Contact Skyjems at +1-416-366-3335 or request a private viewing.

Skyjems in-house photography/video, SKU S1031