Excellent Polish Natural Diamonds

Diamond polish refers to the smoothness of each facet surface after cutting. Excellent polish means the facets are perfectly smooth with no visible marks, scratches, or abrasions — even under 10x magnification. This ensures maximum light transmission and the crispest possible reflections.

Polish is graded from Excellent to Poor by GIA and IGI. While the difference between Excellent and Very Good polish is subtle, Excellent polish ensures your diamond displays the finest possible surface quality — important for step-cut shapes like emerald and Asscher where facets are large and highly visible.

At MOH London, we recommend Excellent polish for all engagement ring centre stones, particularly for step cuts where facet quality is most apparent.

Frequently Asked Questions