Dell Technologies heiress, 24, whose father is worth $23.5 billion flaunts her $3 MILLION engagement ring after her boyfriend, 40, presented her with a 12 carat sparkler on the beach in Hawaii

Alexa Dell, 24, (left and right) whose billionaire father Michael is the founder and CEO of Dell Technologies got engaged to her boyfriend Harisson Refoua, 40, (inset) during a candlelit dinner in Hawaii. She couldn't resist flaunting her 12 carat emerald cut diamond set in a pavé halo on social media (inset), saying: 'He did good'.