Diamonds really are a girl's best friend! Roxy Jacenko shows off her new sparkling ten-carat diamond engagement ring from husband Oliver Curtis as she jets off to Hong Kong By Sam Lock For Daily Mail Australia Published: 01:20 GMT, 1 March 2019 | Updated: 01:20 GMT, 1 March 2019 Viewcomments Her husband Oliver Curtis presented her with a new ring when he re proposed marriage in 2017, following his release from jail. Now it seems PR queen Roxy Jacenko has upgraded her engagement bling yet again. The 38-year-old showed off her stunning new 10-carat diamond ring as she jetted off to Hong Kong on Friday. New diamonds: PR queen Roxy Jacenko , 39, showed off her new diamond accessory - a stunning 10-carat engagement ring on Friday Still got the old! It appears that Roxy has placed her other engagement ring on her other hand Taking to Instagram, the blonde businesswoman shared a picture of her new prized possession, alongside the caption: 'How amazing is this ring?' The ring, a design by Nicholas Haywood Jewellery, sparkled as Roxy moved her hand to catch the light. The jewel features a large seven-carat centre stone set in a three-carat band. Roxy and husband Oliver Curtis, 33, have shared their ups and downs over the past few years. Their relationship was tested back in 2016 when Oliver served a year in prison for conspiracy to commit insider trading. Still going strong: She and husband Oliver Curtis, 33, (left) have shared their ups and downs over the years. Their relationship was tested back in 2016 when Oliver served a year in prison Dazzling: The ring, a design by the exclusive Nicholas Haywood Jewellery, sparkled as Roxy moved her hand to catch the light He was released in June 2017 after serving 12 months of a two-year sentence. During this time, Roxy received a breast cancer diagnosis and briefly reunited with her ex, Nabil Gazal. But back in September, Roxy reaffirmed their marriage was rock solid. New accessory: Roxy showed off her new diamond accessory - a stunning seven-carat ring surrounded by a three carat band Family life: Curtis and Jacenko have been married since 2012 and share two children - daughter Pixie, seven, and son Hunter, four (pictured) 'We learnt a lot about life during that time. It was a very testing and very challenging time,' she told Daily Mail Australia 'I really realised how wonderful a father he is, how dedicated to his family he is, and he's always had my back,' she said. Roxy and Oliver share two kids - Pixie, seven, and Hunter, four. Fancy: The couple's massive house, situated in the exclusive suburb of Vaucluse, was bought by the high-profile couple at auction and they are expected to move in this year Share or comment on this article: All rights reserved for this news site dailymail and under his responsibility