While Ninecolours may have expanded its product offerings since then, I do not have any specific information about them venturing into the jewellery business. If they have indeed started offering jewellery, recommend visiting their official website or checking their latest catalog to explore their collection and learn more about their jewellery offerings.
As with any online purchase, it's essential to verify the authenticity and reputation of the website before making any transactions. Look for customer reviews and feedback to ensure a positive shopping experience. Additionally, review their return and exchange policies, as well as their secure payment options, to protect your interests while shopping online.