Tanzanite 6.5ct
Platinum is quoted individually; the gold karat does not apply.
In stock at the price shown, as pictured. Prefer this design in another metal type or colour? Every piece we make is bespoke, made to order in our own workshop — choose above and request a written quotation.
No payment is taken. Our gemmologist replies within one business day with the price for your chosen metal.
In stock · dispatched within 1–2 business days · free insured delivery Australia-wide, signature on delivery
30-day returns on in-stock pieces. Our Guarantee · Prefer to see it first? Book a private viewing, in Sydney or by video.
Independent Valuation — Available on Request
Every gemstone and jewellery piece we sell — ready-made or bespoke — can be accompanied by an independent valuation certificate, prepared on request by a qualified independent valuer of established repute. It provides a formal, third-party statement of value that you may present to your insurer when arranging cover for your purchase.
Request yours at the time of purchase, or contact us at any time.
Natural Tanzanite – 6.5ct
Cut: Trillion
Colour: Vivid blue-violet
Origin: Tanzania
A striking 6.5ct tanzanite featuring a beautiful trillion cut and rich blue-violet colour.
Tanzanite is a rare variety of zoisite found in only one place on Earth in the Merelani Hills of Tanzania.
An exceptional loose gemstone, ideal for a bespoke ring or other one-of-a-kind jewellery piece.
Please contact us for additional photos, videos or gemstone details.
Delivery & returns
Delivery. Free insured shipping Australia-wide, tracked, with signature on delivery. In-stock pieces are dispatched within one to two business days. International delivery is fully insured and tracked; the rate is shown at checkout.
Returns. 30-day returns on in-stock pieces; refunds are processed within ten business days of receipt. Shipping & returns in full.
Our guarantee
Every stone we sell is assessed in-house by our FGAA-qualified gemmologist, with its treatment status disclosed in writing. Independent laboratory certification and an independent valuation certificate are available on request. Re-authentication is free for as long as you own the piece. Read the guarantee.
Sizing & fit
Dimensions and carat weights are listed above. For length, drop or fit questions, ask our team and we will answer in writing.
Made to order
This piece is in stock and ships within one to two business days. If you would like it remade in a different gold or with a different stone, commission it bespoke.
You may also like
The Ministry difference
Four things a jeweller cannot usually offer.
A gemmologist, not a salespersonBook a private consultation in Sydney or by video, with our FGAA-qualified gemmologist.Book Consultation · Pitt St Showroom
Design it around the stoneChoose the stone first, then the piece, made in our own workshop in two to four weeks.Design Your Jewellery
A Passport for every stoneTreatment disclosed, assessment recorded, verifiable by anyone with the link.How the Passport works