Diamond Sky Since 2010 Diamond Sky has been proud to deliver the best service at the best price for diamond jewellery and custom designs. Our dedicated team are qualified in gemmology and jewellery design, making your choice an easy one. We understand that buying an engagement ring is suppose to be exciting not stressful so we have made the process as seamless as possible. At Diamond Sky you’ll find high-quality diamonds certified by the most respected independent diamond grading labs. Creating your own jewellery is simple, choose your desired diamond then setting and we do the rest. Every order is shipped free across Australia and guaranteed by our Diamond policy so you know you are in good hands.