bid4opal
Thin profile knobby opal rough 2.50cts Dark base with Yellow/Green/Blue fires inclusions to work around 13x12x3mm Lot B4-A469
B4-A469
Delivery Info
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Auction Listing for Bid-4.com
Lot Title: Thin Profile Knobby Opal Rough – 2.50cts Dark Base with Yellow/Green/Blue Fires
Lot Number: B4-A469
Details:
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Origin: Lightning Ridge, Australia
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Type: Knobby Opal Rough
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Carat Weight: 2.50cts
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Size: 13x12x3mm
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Features: Dark base with visible yellow/green/blue fires, small size with inclusions
Description:
This 2.50ct thin-profile knobby opal rough from Lightning Ridge features vibrant yellow, green, and blue fires within a dark base. While the size is compact, the piece shows good potential with its distinct fires. Some inclusions are present, so careful work is needed around the host rock. It’s a perfect choice for collectors or gem-cutters willing to work around the inclusions and uncover a beautiful piece. The thin profile makes it ideal for inlay or small jewellery applications.
⚠️ Grade B – Requires Careful Cutting
The visible fires are gorgeous, but the rough needs careful handling due to the inclusions within the sand/clay host rock. Moderate risk, but good potential for a small, unique gem.
Grade Key
🔥 A+ – Clear visible colour bar, low-risk cut, high gem potential
🔥 A – Strong face showing, low to medium risk, good cutting yield
⚠️ B – Colour visible, moderate risk, requires careful cutting
🎲 C (Gamble) – Some colour hints, unknown depth/consistency, high risk
❓ D (Blind Gamble) – No visible colour, full risk – mystery piece
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