The jeweler set a ring, so that the green of the emerald contrasted with the white of the diamonds he decided that adding the large costly stone was worth it

because of the stunning visual impact it would have. The rich green hue of the emerald stood out magnificently against the brilliant white sparkle of the diamonds, creating an exquisite and eye-catching display. The jeweler believed that this contrasting combination would greatly enhance the overall beauty and value of the ring, making it an irresistible piece for potential customers. Despite the expense of the large costly stone, the jeweler was confident that it would be a worthy investment, as it would undoubtedly attract attention and admiration from anyone who laid eyes on it.