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: a diamond formed naturally and mined. Price is driven by rarity and the 4Cs (cut, colour, clarity, carat). Ask for an independent grading report for meaningful comparison between stones.
: a real diamond (same chemical composition and crystal structure as a mined diamond) created in a controlled environment. Lab-grown diamonds often offer a larger size or higher 4C grades for the same budget. They should still be graded by an independent lab.
(e.g., sapphire, ruby, emerald): chosen primarily for colour and personality. Durability varies—some stones need more protective settings and more careful wear. Ask whether the stone has been treated (common for many gems) and what care is recommended.
Metal choice affects colour, feel, maintenance, and long-term wear. For engagement rings (worn daily), prioritise durability and serviceability—you want a metal that can be polished and maintained over decades.
: naturally white, dense, and strong—popular for secure prongs. It can develop a soft patina with wear and can be repolished during servicing. More dense and scratch resistance than gold
Popular for engagement rings due to prestige and colour. It has a lower pure gold content than 22k and a rich colour. Slightly softer than lower-karat gold alloys, so slim bands and delicate settings may show wear sooner. This is hallmarked at 750. A popular choice for most engagement rings and retains value better than other gold alloys.
: a common durability/value balance and harder due to higher alloy content.This is hallmarked at 585
: durable and budget-friendly with very lower gold content; colour can vary by alloy and it may look less rich than 14K/18K.This is hallmarked at 375.
In this engagement ring buying guide we explain the different centre stone shapes you can buy from Hispek Diamonds . Some shapes can look bigger per carat. The centre diamond shape changes the ring’s overall style, how large the stone looks, and how durable it is in everyday wear. Some shapes have delicate points that benefit from protective settings (e.g., V-prongs or bezels). The other consideration is how it may match other items of jewellery that you may wish to adorn simultaneously.
The setting holds the stone(s) and determines the ring’s profile (how high it sits), how secure it is, and how easy it is to clean. If the wearer uses their hands alot (healthcare, gym, crafts, childcare), consider lower-profile or more protective settings.
Ring sizing is not universal and can be a little confusing at first. Different regions of the world use varying standards. For example in the UK we use letters. Most common sizes here are K-N. In the USA they have an equivalent system using numbers. Charts are available showing the same size using the different standards, making it easier understand the equivalent ring size from say the USA as compared to the UK ring size.
Typically uses a number equal to inner circumference in mm (e.g., EU 52 is ~52 mm circumference). This is one of the simplest systems for comparing internationally.
Uses numbers (often 1–27). These are not the same as US numbers—always convert via mm.
You may also see systems for regions such as China/Hong Kong that use their own numeric scales. If a retailer lists only a region-specific size, request the millimetre measurement to confirm.
Finger size changes with temperature, time of day, hydration, and activity—measure more than once if possible. Wider bands usually feel tighter, so you may need a slightly larger size.
Confirm the retailer’s resizing/exchange policy before purchase. Eternity bands (stones all the way around) and some intricate settings can be difficult or impossible to resize.
If you can’t measure accurately, it’s often easier to resize down than to resize up a lot—so a slightly larger size can be safer (but policies vary).
