The time to make a custom silver necklace depends on several things. Designs with conventional engravings will be comBirthstone necklaces for mums with birthstones and engravable alternatives are among our most popular selections. Coloured zirconias can be styled and layered with other personalised mum necklaces we offer at Camile and Stone. Customising a mother's birthstone necklace adds a personal touch to your gift. Mum's family birthstone necklace reminds her of those who genuinely love her.pleted 3-5 business days. Camile and Stone also covers engravings such as distinctive characters, symbols, emojis, shapes and motifs.