'No tarnish' opal necklace that 'catches light beautifully' reduced to £10 in Bohomoon sale"The most beautiful necklace. View 4 Images Shoppers say it 'catches the light beautifully' (Image: Bohomoon)Putting on jewellery is an easy way to jazz up an outfit. The pretty necklace has a sun design with a lab fire opal stone that shoppers have been praising for 'catching the light beautifully'. Back at Bohomoon, the Sunbeam Opal Necklace boasts an overall star-rating of 4.9 out of five based on 99 reviews. A fourth review read: "Absolutely stunning necklace - catches the light beautifully.