Guests made donations to guess the number of diamonds inside the sculpture with the winner taking home a £250 gift voucher.
The three-story showroom had a Winter Wonderland theme with handmade decorations running throughout.
Married actors Sarah Parish and James Murray founded the Murray Parish Trust in 2014, after the loss of their baby daughter, Ella-Jayne, in 2009.
Their nationwide #2millionsteps campaign to raise £2m for a Children’s Emergency and Trauma unit at Southampton General Hospital has been backed by the government who will match every penny raised.
The new £4m department will become a major trauma centre, delivering life-saving acute specialist care for critically ill children from across the whole of the South of England.
The jeweller has done this through activities such as polishing customers’ jewellery in return for a donation, sponsoring the Trust’s glitzy Odd Ball, and hosting a variety of glamorous fundraising events in-store.