Mila Kunis in a white dress

Mila has used her role as a new mother to make a difference for charity

Mila Kunis may have only given birth to her first child, Wyatt Isabelle, last month but she's already using her role as a first-time mother in the best possible way.

To mark the birth of herself and funny-man fiancé Ashton Kutcher's first baby, the 31-year-old actress has designed a stunning emerald "motherhood ring" that will, in turn, benefit other mothers. 

Mila is a global ambassador for Gemfields - the world's leading supplier of responsibly sourced coloured gemstones  - and has joined forces with them to create the 18-karat yellow-gold emerald ring with jewellery-maverick Marina B. 

It might sound like a slightly indulgent collaboration but the reason behind it is actually pretty remarkable; all of the profits from the sales of the ring will go to fund a maternity centre in Zambia, very close to where the Gemfields mine is situated. 

Speaking of the design, it's easy to see that this is an issue that's now become very close to Mila's heart. The Family Guy and Black Swan star revealed that: 'Carrying a child and bringing new life into the world marks the start of an incredible journey. Throughout history, every culture has its own way of recognising this extraordinary event, often with a gift for mother or child. Precious green emeralds are traditionally symbols of motherhood, wisdom, and long-lasting love.'

Mila then went on to say: 'But they are also a symbol for hope in many cultures, and so the proceeds from this collection of Motherhood Rings will benefit the opening of Gemfields Nkana Health Centre, where four new wards have been built - a major undertaking that will have long-lasting benefits to the local community.' 

Now, if you fancy one of Mila's gorgeous Motherhood Rings for yourself, you'll need to be prepared to drop a cool £3,000 to get your manicured fingers on one.

They certainly don't come cheap, but imagine how much cash they'll raise for a very worthy cause; a cause that Mila clearly wants to bring to light. 

It looks like motherhood is suiting Ms Kunis just fine. Now, more photo's of the adorable Wyatt, please... 

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By Maxine Eggenberger