Michael Dettlaff’s family drove 100 miles out of their way to visit Crater of Diamonds State Park – and it was worth it.

After only 10 minutes digging for the prized gems, 12-year-old Michael unearthed one of the largest diamonds in park history.

Michael’s dad was still in the process of renting mining equipment when Michel bounded up to him with the honey-brown diamond the size of a jelly bean.

Lucky: 12-year-old Michael Dettlaff discovered Crater of Diamonds State Park’s 27th largest diamond on July 31

Easy: It only took Michael 10 minutes of digging to find the 5.16 carat honey-brown diamond the size of a jelly bean

Park officials registered the 5.16 carat diamond under Michael’s name of choice – the ‘God’s Glory Diamond’ – and say it is the 27th largest diamond found there since the site became a state park in 1972.

‘It is thrilling any time a child finds a diamond here at Crater of Diamonds State park,’ said Park Interpreter Waymon Cox. ‘Michael was excited to  have found his own diamond, as just about any boy would be, but he was absolutely awestruck when he realized the significance.’

Michael and his family were traveling from their home in Apex, North Carolina to visit relatives in Fayetteville, Arkansas when they drove 100 miles out of their way to visit Crater of Diamonds State Park in Murfreesboro, Arkansas on July 31.

‘To Michael the entire experience may have felt like a dream,’ his father said, ‘but it is certainly a dream come true, and an adventure he will remember for the rest of his life.’

The park is the eighth largest diamond producing site in the world, and the only one that is open to the public.

Diamond free-for-all: Crater of Diamonds State Park is the eighth largest diamond producing site in the world and the only one open to the public

Digging: The park’s 37 1/2 acres of fields are regularly plowed. The site averages about two diamond discoveries a day

Michael’s diamond was the 328th diamond found there this year. They average about two diamonds a day.

Park officials say the rainy Spring months and hard rains in July have helped expose the diamonds on the surface.

Visitors who dig for diamonds in the park’s 37 1/2 acres of regularly plowed fields are promised that if they find a diamond, it’s theirs to keep.

The largest diamond ever discovered in the U.S. came from the same site, close to where Michael was digging. The Uncle Sam diamond was unearthed in 1924 and weighs a staggering 40.23 carats.

Uncle Sam diamond: The largest diamond ever discovered in the U.S. was unearthed at the site in 1924 and weighed over 40 carats

Read more: Daily Mail