Fenton & Co. Vintage Oval Blue Sapphire Platinum Fenton & Co. Vintage Oval Blue Sapphire Platinum (£2,750) A halo of GH VS diamonds glitter next to the 1.01cts Blue Sapphire, set in platinum. Image Source: fentonand.co Fenton & Co. Vintage Oval Blue Sapphire Platinum £2,750 from fentonand.co Buy Now