Lightning Ridge Jewellery Grade Dark Opal Gemstones Bright Multi colours 2.30cts 17x9x2mm Lot B4-A150 wk_end_auction With its deep base tone

With its deep base tone providing excellent contrast

90cts with Bright Blue Fires to Cut

Lightning Ridge Dark Base Knobby Opal Rough Split – 18

With its thin profile and intense color play

Lightning Ridge Jewellery Grade Dark Opal Gemstones Bright Multi colours 2.30cts 17x9x2mm Lot B4-A150 wk_end_auction With its deep base toneAuction Listing for Bid 4. com Lot Title: Lightning Ridge Jewellery Grade Dark Opal Bright Multi Coloured Gemstone Lot Number: B4 A150 Details: Origin: Lightning Ridge, Australia Type: Jewellery Grade Dark Opal Carat Weight: 2. 30cts Dimensions: 17x9x2mm Features: Bright, vivid multi coloured play of colour Suitable for high end jewellery creations Description: This exquisite jewellery grade dark opal from Lightning Ridge showcases a dazzling array of