Stone River Gems
2.30ct Lightning Ridge Black Opal Ring with Diamonds & Pink Sapphires | 18ct Gold
2.30ct Lightning Ridge Black Opal Ring with Diamonds & Pink Sapphires | 18ct Gold
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A rare Lightning Ridge black opal is the focal point of this bold 18ct gold ring, accented with diamonds and pink sapphires.
This 2.30ct freeform opal — personally mined and hand-cut by my father — displays an undulating surface alive with blue-green patterned flash that shifts with every movement. A gemstone rich in story, provenance, and rarity.
Set into the sculpted band are six round brilliant diamonds (0.18ct total, G/VS) and six mid-pink sapphires (0.24ct total), adding contrast and brilliance against the opal’s dark play-of-colour. The band, tapered to a 2.89mm base, has been carved in wax and hand-finished for strength and elegance.
Details
Details
Primary Stone: Lightning Ridge Opal
Provenance: Lightning Ridge, NSW, Australia — opal personally mined by my father
Opal Cut: Freeform cabochon
Opal Colour: Black with blue-green patterned flash
Opal Size: 13.8 × 8.6 × 2.78mm (2.30 carats)
Accent Stones:
Diamonds: 6 × round brilliant cut, 0.18 carats total, G colour, VS clarity
Sapphires: 6 × round brilliant cut, 0.24 carats total, mid-pink, moderately included
Metal: Solid 18ct yellow gold
Band Width: 2.89mm (flattened base with tapered shoulders)
Total Ring Weight: 8.37 grams
Manufacture: Carved wax cast (hand-finished)
Kindly note: the accompanying gemstones in the Lightning Ridge Opal Collection were not mined or sourced by Stone River Gems and may have been treated, unless otherwise stated
Shipping
Shipping
Australia — Free DHL Express shipping on orders $500 AUD+ (signature required). All shipments are fully insured (via DHL).
Items over €10,000 cannot be purchased online or shipped under standard coverage — please contacthello@stonerivergems.com or +61 416 469 851 to arrange VIP delivery or in-person collection.
International (NZ & US) — Free DHL Express Worldwide shipping on orders $500 AUD+ (signature required). All shipments are fully insured (via Secursus) and sent DDP, so duties and taxes are included at checkout.
Reserve Collection: orders over €25,000, and loose gemstones cannot ship under standard coverage — contact us to arrange VIP delivery or in-person collection.
For full details, see our Shipping Policy.
Take Care
Take Care
Everyday care (all jewellery)
- Remove prior to sport, manual tasks, showing/swimming, and sleep.
- Avoid Impacts and sudden temperature changes.
- Store pieces separately in soft pouches/compartments.
- Clean most jewellery with warn water & mild detergent-free soap & a soft brush, then rinse and pat dry with a lint-free cloth.
Metal care — Solid gold (9K/14K/18K)
- Wipe with a soft cloth after wear; avoid harsh chemicals and abrasives.
- For mixed stone settings, default to the gentlest method suitable for the most delicate stone present.
Professional checkups
- Have prongs/claws and settings inspected every 6–12 months, or sooner if you notice movement/snags or after a hard knock.
Resizing
- We do not recommend resizing rings from our Lightning Ridge Opal Collection. Opals are highly sensitive to heat, pressure and vibration; resizing can crack or craze the stone or compromise adhesives in layered constructions.
Opal (cleaning)
- Hand clean only: no ultrasonic or steam. Use a slightly damp soft cloth or a quick lukewarm, mildly soapy rinse; do not soak for long.
Delicate stones (handle with extra care)
- Opal, peridot (and some garnets): avoid ultrasonic/steam and hard knocks; stick to gentle hand cleaning.
Size & Fit
Size & Fit
All ring sizes on our website are listed in US/Canadian sizes. Please refer to our size chart to find your recommended fit. For the most accurate result, we suggest visiting a local jeweller who can measure your finger professionally with calibrated tools.
We do not recommend resizing rings from our Lightning Ridge Opal Collection. Opals are highly sensitive to heat, pressure and vibration; resizing can crack or craze the stone or compromise adhesives in layered constructions.
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