Discover the Astra Sapphire Halo Shoulder Set Octagon Cut Ring, featuring an impressive 1.90ct lab-grown sapphire, set amongst a 0.25ct halo of sparkling H/SI lab-grown diamonds. The timeless octagon cut sapphire sits proud atop the pavé diamond shoulders casting sparkle with every movement, whilst perfectly complementing the cool blue tones of the centre stone. The slim band is crafted from the finest sterling silver and every stone featured is lab-grown, so you can experience gemstones in a more sustainable and ethical way like never before, without compromising on any of the beauty. Mark an important milestone, gift to a loved one, or simply add an opulent piece to your jewellery wardrobe. Take advantage of free worldwide delivery, beautiful packaging and a 5-year guarantee.