Ring Size Guide

Print the ring size guide and follow instructions to find out what size your existing ring is.

RING SIZE GUIDE - CLICK TO OPEN

Order a Complimentary Ring Sizer

Simply fill out the form below and we’ll pop a ring sizer in the post to you, free of charge.

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BESPOKE ENQUIRY

At MARLII LAB, we meticulously select diamonds to match each client's unique needs, guaranteeing the finest stone available at any given moment.

Our diamond specialist, driven by a fervent commitment to ethical sourcing, only chooses IGI certified stones that surpass our rigorous standards in terms of colour, clarity, and cut.

To initiate the process, please complete the form below, specifying your preferred carat size and budget. Our dedicated customer service team will respond to your request within 24 business hours.

Please be aware that, due to their unique nature, we cannot accommodate exchanges or returns for bespoke items.