East Amwell natives Paige Dellavalle and Ashley Dellavalle Jung got a $150,000 cash infusion in exchange for a 35 percent share of the business in 2013.
The sisters both attended West Point with a major in management and minor in systems engineering.
Although Jung was deployed in Afghanistan between March 2007 and 2008, a sudden shoulder injury kept Dellavelle from serving in a combat zone.
When Jung gave her sister an outdated charm bracelet, just around the time she was reevaluating her next step in life, the two decided it was the perfect time to offer young women "stylish, meaningful and giftable" jewelry, their website says.
Stella Valle has several retail partners across the U.S.
The pop-up shop is located at 79 Main St., Flemington.
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