'Kaya' Black Opal Ring 18ct Gold

Ring size: 7 1/4 (US & CAN) O (AU, UK & EU)
Opal size: 12mm x 7mm
Opal weight: 1.45 carats
Opal shape: Oval
Opal type: Solid black opal
Opal colour: Multi-colour
Opal origin: Lightning Ridge
Metal: 18ct yellow gold (2.90 grams)
SKU: GOR164

We offer reliable and secure standard and express shipping options to ensure your purchase arrives safely and promptly. We also provide easy and hassle-free 30-day returns (subject to our returns policy), allowing you to shop with confidence.

Standard Shipping
Australia: Approx. 2–8 business days
International: Approx. 8–12 business days

Express Shipping
Australia: Approx. 2–4 business days
International: Approx. 5–8 business days

Please note: The above delivery times are estimates only and do not account for any unforseen customs processing times (international orders) or transit delays.

For full details on shipping times, costs and returns, please visit:

Black Star Opal Shipping Policy

Black Star Opal Returns Policy

Found only in Australia, mainly at Lightning Ridge in outback New South Wales, black opal is the world's rarest and most valuable type of opal. Ablaze with a rich and vibrant rainbow of colour set against a dark or black body tone, black opal is highly prized for its intense spectrum and features in the world's finest jewellery collections. If an opal's body tone is dark but not truly black, it is known as dark opal. Read more about Australian opals.

Proper care is crucial to preserve the beauty and brilliance of opal gemstones and opal jewelry. To keep your opal products looking radiant for years, it's essential to follow safe cleaning practices and handle them with care. Read more

Sustainability is increasingly important in today’s world and holds growing significance within the global gemstone industry. For Australian opals, sustainability goes beyond ethical mining - it encompasses supporting the communities and preserving the unique ecosystems that rely on the opal industry. Read more

Have questions about opals, payments, shipping or returns? Our FAQ page has all the answers you need, including ring sizing, gift wrapping, and caring for your opal. For this more information check out our FAQ Page for quick answers.