The biggest diamond ring ever made is called The Spirit of de Grisogono. It weighs 312.24 carats, or 62.45 g. It is also a black diamond and is the largest black diamond ever found.
The biggest ship made in 2013 is the Maersk Triple E class with a length of 400 m (1,312 ft), however the biggest ship made until 2013 would be the Seawise Giant with a length of 458.46 m (1,504 ft).
The biggest catapult ever made is believed to be the Warwick Castle Trebuchet in England, which stands at over 18 meters tall. It is a fully functioning trebuchet that is capable of launching projectiles weighing up to 150 kg distances of up to 300 meters.
The largest cheese ever recorded weighed over 57,000 pounds and was made in Ingersoll, Ontario, Canada in 1866.
The biggest periscope ever made was built in 2014 by experts at Purdue University. It was an experimental periscope that measured 4.7 meters (15.4 feet) in length. It was designed for use in a digital imaging laboratory.
the biggest Easter egg ever made was 8.22
me
The biggest bike is in Jeddah roundabout.
205' inches
3 Idiots
a tiger in china
TITANIC
They are 164 mm long.=)
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The biggest house TV ever made was 205 inches by TecnoVision's MINISCULE. This TV is made of an array of 750,000 LEDs with a huge price tag that makes it unrealistic to own.
chennai express
7 meters