0.65ct Cabochon Oval Black Opal

Black Opal in a Cabochon Oval shape, with an average weight of 0.650 carats per stone.

Size: 0.6ct+.

• Colour: Multi Colour
• Origin: Australia
• Certificates: GFCO AAP87849
• Certification labs: GFCO
• Length: 6.930 mm
• Width: 6.020 mm
• Depth: 2.540 mm

Choose the number of individual stones required. Prices are per stone; availability is checked again before purchase.

Planning a Black Opal design

When choosing black opal, review the individual stone’s images, measurements and published details. Compare its appearance with the design you have in mind, and ask our team to confirm treatment, care and any available report information before selecting a setting.

The price shown is for one loose stone. A bespoke setting is quoted separately. If you would like to compare alternatives, explore our loose black opal.

Can I see this stone before deciding?

Quote reference 73447 when contacting us. Our team will confirm availability and arrange a suitable appointment.

What if a treatment or report detail is not listed?

Ask us to confirm the information for this exact stone before purchase. Missing information does not establish that a stone is untreated or has a laboratory report.

At Kinzy London, we’re committed to making your delivery and returns experience as seamless and positive as your shopping journey. We want you to be truly delighted with your purchase, so if something isn’t quite right, contact one of our team for assistance. For full details on shipping timeframes and return eligibility, please review our complete Delivery & Returns terms.

See your gemstone in person with our team.