Cufflinks wordlessly suggest elegance, sophistication and success. For the man who has everything, there are the world’s most expensive cufflinks: the Jacob & Co Canary Diamond Cufflinks. This handsome pair comes in 18k white gold, with a centerpiece of 20 carats of canary yellow diamonds, flanked by 10.76 carats of baguette cut white diamonds. The gum-drop sized gems are further secured with a diamond whale flip back closure. Pricetag? Brace yourselves, gents: they’re $4.2 million a pop. Definitely not for the faint-hearted or the light-walleted, these cufflinks are the final touch of those who have seen and done it all and are very carefree in terms of finances; JacobAndCo.com.