Buying Diamonds

The 5 C’s of choosing a diamond

Weir & Sons have broken away from mainstream thinking to introduce you to the 5C's of diamonds.

We source diamonds from all over the world, taking the utmost care and paying the highest attention to detail. Many of our stones are independently certified for your greater peace of mind. When you go to choose a diamond it is an exhilarating experience but take your time. After all, a diamond is timeless.

CARAT
This is the weight of a diamond.

CLARITY
This refers to the presence of inclusions in a diamond. Inclusions are natural identifying characteristics such as minerals or fractures, which occur while diamonds are formed in the earth.

COLOUR
Diamonds range in colour from icy winter whites to warm summer whites.

CUT
This refers to the angles and proportions of a diamond, and also it’s shape—round, square, pear, or heart for example.

CONFIDENCE
You can be completely confident that Weir & Sons is the jeweller who will help you to choose the right diamond.