This silver and bluestone oval ring is an elegant silver oval ring set with a highly polished piece of bluestone the ring is available in 3 sizes k small m medium and o large this bluestone ring make s a lovely keepsake from stonehenge or a special gift making a great addition to any jewellery boxpreseli bluestone was used to create stonehenge39s inner circle 5000 years ago each large stone mysteriously transported 250 kilometres from its home in south wales to wiltshirekey features