What is the cost of one and a half carat?

The cost of a one-and-a-half carat diamond can vary widely based on factors such as cut, color, clarity, and the market demand. On average, you might expect to pay between $5,000 and $15,000 for a high-quality diamond of that size. Prices can fluctuate, so it's advisable to shop around and consider certification from reputable gemological laboratories. Always remember that personal preferences and specific characteristics of the diamond will significantly influence the final price.