Beautiful diamond ring with the specified features would be an elegant and sophisticated piece characterized by the following details:

1. Material: The ring is made from 14 karat white gold, which consists of 58.3% pure gold alloyed with other metals to provide strength and a white, silvery appearance. White gold is typically rhodium-plated to enhance its luster and durability.

2. Design:

   • Diamond Pattern: The ring features a diamond pattern made up of 13 round brilliant-cut diamonds. These diamonds are likely arranged in a symmetrical and aesthetically pleasing pattern, enhancing the ring's visual appeal.
   • Center Diamond: In the center of the diamond pattern is a single round brilliant-cut diamond. This central diamond serves as the focal point of the ring, drawing attention with its brilliance and sparkle.

3. Diamonds:

   • Total Number: The ring includes a total of 13 round brilliant-cut diamonds.
   • Cut: The round brilliant cut is renowned for its exceptional brilliance, achieved through its 58 facets that maximize the reflection of light.
   • Arrangement: The surrounding 12 diamonds are arranged around the center diamond, likely in a pattern that complements and enhances the central stone.

4. Ring Size: The ring is a size 5, which is a smaller size suitable for petite fingers but can be resized to fit other finger sizes if needed.

5. Aesthetic and Style: The combination of the round brilliant-cut diamonds and the 14 karat white gold setting creates a classic and timeless look. The diamond pattern adds a unique and intricate design element, while the single center diamond provides a striking focal point.

Overall, this ring offers a beautiful blend of simplicity and elegance. The central diamond captures attention, while the surrounding diamonds add a harmonious and sparkling pattern. This piece would make a stunning engagement ring, anniversary gift, or a luxurious addition to any jewelry collection.