Quick answer: Coloured diamonds are graded by the GIA on hue, tone and saturation rather than colourlessness. Yellow and brown are the most common, while red, blue and vivid pink are the rarest. Here’s how grading, rarity and buying tips work.
How to Clean a Diamond Ring at Home: Safe Step-by-Step Guide
Quick answer: The safest way to clean a diamond ring at home is to soak it in warm water with mild dish soap, brush gently with a soft toothbrush, rinse and dry thoroughly. Here’s how to do it safely on platinum, gold and silver settings.