Material – If budget is a consideration, sterling silver will be your most cost-effective option whilst still being high quality. Platinum is ideal if you are searching for something durable or hypoallergenic. Yellow gold is higher quality than silver and is another great option for durability, often mixed with other metals to bolster its strength (yellow gold in its pure form is too soft and will bend out of shape as it is so soft). Similarly, White gold is created by blending gold with palladium.Weight – According to A W Matthews Ltd, the weight of a signet ring typically varies between 6.6 – 7.5 grams. This will vary with design and material.Style – Signet rings come in a variety of shapes and metals and with various gemstone and bezel surface options. This makes for plenty of style options to choose from and customise based on your taste.Brand – The best way to choose a brand of signet ring is to make a choice based on your style and budget.