The Complete Guide to Cushion-Cut Diamond Engagement Rings
How to pick an engagement ring: a guide to buying the best wedding jewellery that fits your personality, from De Beers' heart-shaped diamond to Elizabeth Taylor-inspired gems | South China Morning Post
Cushion-Cut Diamonds: the Complete Buying Guide - International Gem Society
A Guide to Diamond Shapes for Engagement Rings
Cushion-Cut Diamonds: A Definitive Guide to the Pillow Shaped Diamond