Green/Yellows/Blues on Black/Dark base seam opal rough 4.20cts Bright Bar thin visible all around 19x7x6mm Lot B4-A477 ToClear 50cts piece of Lightning Ridge

50cts piece of Lightning Ridge dark base seam opal showcases stunning blue and green tones

it’s ideal for delicate settings such as rings

Gamble Grade:| 🎲 Gamble Grade C (Gamble) | Bright red/orange bling showing – unknown depth and spread

but with the right skill

good cutting yield⚠️ B    Colour visible

Green/Yellows/Blues on Black/Dark base seam opal rough 4.20cts Bright Bar thin visible all around 19x7x6mm Lot B4-A477 ToClear 50cts piece of Lightning RidgeAuction Listing for Bid 4. com Lot Title: Green Yellows Blues on Black Dark Base Seam Opal Rough 4. 20cts Bright Bar Visible Lot Number: B4 A477 Details: Origin: Lightning Ridge, Australia Type: Black Dark Base Seam Opal Rough Carat Weight: 4. 20cts Size: 19x7x6mm Features: Bright bar thin visible colour around the piece Description: This stunning piece of Lightning Ridge opal rough displays visible green, yellow, and blue colours along a bright bar