1/10 (0.1) CT TW Diamond is the weight of a diamond stone as 10 points. CTTW represents the accumulated weights of the smaller diamonds in a piece of jewelry, and it features in points. A carat's round dimension is 3.02×3.02×1.82mm, while the points are 100 parts of a carat. That means 1/100 of a carat is 0.01.
Is 0.10 ct diamond good?
0.10-0.40 Carats Very small diamonds of 0.10 cts make for beautiful, simple, and understated rings. For a minimalist style, this might be all you're looking for. Slightly larger diamonds make an elegant choice for an engagement ring.
A Diamond Must Look its Weight For example, a 1.00 carat round diamond should measure approximately 6.5mm in diameter, a 1.50ct should measure around 7.5mm, a 2.00ct should measure around 8.1-8.2mm, and so on. ... This also applies to 1.50ct diamonds which measure 7.2 or 7.3mm.