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bid4opal

Coober Pedy Seam opal 8.00cts Thin bar with light tones of greens & blues to gamble 22x10x8mm Lot B4-A423

B4-A423

Delivery Info

UK: 2-3 days; International: 7-14 days

Coober Pedy Seam Opal – 8.00cts, Thin Bar with Light Tones of Greens & Blues to Gamble
Lot Number: B4-A423
Weight: 8.00 carats
Dimensions: 22 x 10 x 8 mm

Details:
Origin: Coober Pedy, South Australia
Type: Seam Opal (Rough)
Body Tone: Light base
Play-of-Colour: Soft green and blue tones
Form: Thin colour bar running through a compact seam
Use: Trimming and precision cutting

Description:
This 8.00ct Coober Pedy seam opal rough features a thin bar with subtle greens and blues showing through a light base. While the bar is narrow and tones are soft, colour is visible and workable for those confident in fine shaping. A neat gamble for cutters who specialise in making the most of slim, directional seams.

⚠️ Gamble Grade B (Gamble) – Thin bar with soft but visible colour. Moderate risk requiring careful work for best yield.


Grade Key
Grade     Description
🔥 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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