'Sierra Deux' Silver Doublet Opal Earrings

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.

We offer reliable and secure shipping to ensure your purchase arrives safely and promptly. We also provide easy and hassle-free returns, allowing you to shop with confidence. If for any reason you’re not completely satisfied with your purchase, you can return it within 30 days for an exchange or refund, subject to our return policy. For full details on shipping times and returns, please visit:

Black Star Opal Shipping Policy

Black Star Opal Returns Policy

Proper care is crucial to preserve the beauty and brilliance of opal gemstones and opal jewellery. While opals are stunning, they are also delicate and can be vulnerable to damage from improper wear, harsh chemicals or abrasive materials. To keep your opal jewelry 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

Got 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 details on shipping, returns, or gift cards, check out our FAQ Page for quick answers.