Browse our collection of 1.5 carat diamonds spanning all jewelry styles. Diamonds of 1.5 carats are generally a popular choice for larger diamond seekers. 1.5 carat diamonds are very large diamonds for engagement rings, and wedding rings. ShivShambu brings to you GIA-certified 1.5-carat diamonds at the best price in the market. To buy a 1.5-carat diamond visit our online store.