Modern Cufflinks 3.20 Sapphire & Diamonds in PlatinumThis pair of Modern Era cufflinks are have a very glam look to them. The stones in are invisibly set, meaning each stone is custom cut to fit perfectly next to another creating a look as if the stones are held in by nothing. This grid of stones is made up of 3. 20 carats total of sapphires and . 80 carats of diamonds, a wonderfully sparkly way to make a plain tux stand out.