'Carina Blue' Doublet Opal Necklace Silver

Opal size: 13mm x 7mm
Opal shape: Teardrop
Opal type: Doublet opal
Opal colour: Aqua blue with multi-colour highlights
Metal: Sterling silver
SKU: SDP067

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

Australian opals feature solid, doublet and triplet stones in endless combinations of colours and patterns. With four main types of solid opals - black, crystal, white and boulder - opal is one of the most fascinating gemstones on the planet. Read more about opals here.

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

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 about why sustainability matters for the Australian opal industry.

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