Best Answer: Today, the national average for the diamonds chosen for engagement rings with regard to carat weight is 0.38 carats. In general, the carat weight averages of engagement ring diamonds are increasing.
Now have you ever wondered what is up with tennis players and the noises they make when hitting the ball back and forth. Well, they have every right to make these noises. Venus Williams served the world's fastest tennis ball among women which was clocked at 56.95 m/s (127.4 mph). That's twice the speed limit on a regular highway in New York City. Tilden holds the title of World's fastest tennis ball served among men with a speed of 73.14 m/s (163.6 mph).
The match started off with ease. Isner took the first set 6-4, followed by Mahut taking the next two 3-6, 6-7(7), and Isner taking back the fourth set 7-6(3). At 9.07pm, the match was suspended until the next day. At 2.05pm the next day, the fifth and final set started. Point after point was scored with neither player relinquishing the prospect of winning. At 5.45pm, the match officially became the longest one in tennis history with the score standing at 32-32. Spectators were captivated.