Jewellery retailer Michael Hill International has delivered a sparkling bottom line profit, with all markets in the black.The Australian-based company said a new leadership team and a simpler business model with a focus on profit made the difference.Key numbers for the 12 months ended June compared with a year ago in Australian dollars: Net profit $10.0m vs $2.1m Revenue $655.7m vs $643.7m Net debt $5.5mm vs $41.9m Gross margin 60% unchanged Full year dividend 2 cents per share vs nil"We're listening more closely to our customers and our teams, we've simplified the business, and we've doubled down on quality jewellery made to be worn and given with confidence," chief executive Jonathan Waecker said."As a result, sales are up across every market, profitability has improved sharply."He said the Bevilles business gained traction and the dividend was restored."The turnaround is taking hold, there's still plenty more for us to do, and I'm incredibly proud of what our teams have delivered through a year of significant change."Retail segment revenue in local currencies Australia revenue A$372m up 2.5 percent Canadian revenue CA$174m up 7.3 percent New Zealand revenue NZ$112m up 3.1 percent Online sales up 8.7 percent