Louis William Jewellers

A diamond's beauty is determined by the 4Cs: Cut, Colour, Clarity and Carat. While all four are important, cut has the greatest impact on sparkle. Always choose a diamond with certification from a recognised grading laboratory, such as GIA or IGI, for added confidence in its quality. Whether you're buying an engagement ring or a timeless gift, understanding these basics will help you choose a diamond you'll treasure for years to come.

The Cut grade ranges from Excellent to Poor and directly affects how light reflects through the stone. Colour is graded from D (colourless) to Z (light yellow), with D-F being the most sought after. Clarity refers to internal inclusions and external blemishes, graded from Flawless to Included. Carat is simply the weight of the diamond — one carat equals 0.2 grams. A well-cut diamond will appear more brilliant than a larger stone with a poor cut, so prioritise cut above all other factors.

Lab-grown diamonds are real diamonds created in controlled laboratory environments rather than mined from the earth. They have the same chemical, physical and optical properties as natural diamonds and offer excellent value for money. They are a popular choice for those looking for a larger or higher-quality diamond within their budget.

Lab-grown diamonds are graded using the same 4Cs as natural diamonds and are certified by the same independent laboratories, including GIA and IGI. The main difference is origin — not quality. Prices are typically 50–70% lower than equivalent natural diamonds.

An engagement ring is one of life's most meaningful purchases. Consider your partner's style, preferred metal and lifestyle before choosing a design. Solitaire rings offer timeless elegance, while halo and trilogy designs provide additional sparkle.

The most popular styles include solitaire, halo, trilogy and pave. Platinum is the most durable metal, white gold offers a similar look at a lower price, yellow gold is timeless, and rose gold has a romantic feel.

Wedding rings are designed to last a lifetime, so comfort and durability are just as important as style. Popular choices include yellow gold, white gold, platinum and rose gold. Court-shaped rings have a rounded interior and exterior, making them the most comfortable. Width typically ranges from 2mm to 8mm. Consider a wedding ring that sits flush against your engagement ring.

Gold is available in several purities, with 9ct and 18ct being the most popular in the UK. 9ct gold is harder and more affordable, ideal for everyday wear. 18ct gold has a richer colour and is hypoallergenic. Hallmarking is a legal requirement in the UK. 9ct is 375 parts per thousand pure gold. 18ct is 750 parts per thousand. White gold is coated with rhodium. Rose gold gets its tone from copper.

Platinum is naturally white, exceptionally durable and highly resistant to wear. Unlike white gold, it does not require rhodium plating. It is 30 times rarer than gold, naturally hypoallergenic, and denser than gold. When platinum scratches, metal is displaced rather than lost. Platinum rings are typically 95% pure.

Sterling silver is 92.5% pure silver. It may tarnish over time. Clean with warm water and mild washing-up liquid. Avoid chlorine, bleach, perfume and hairspray. Store in an airtight bag or anti-tarnish fabric. Rhodium-plated silver resists tarnishing longer.

From sapphires to emeralds and rubies, coloured gemstones allow you to express your individual style. Sapphires rate 9 on the Mohs scale. Emeralds are more brittle. Rubies are among the most valuable. Consider hardness and durability. Always ask if a gemstone has been treated.

Automatic watches are powered by wrist movement and require no battery. Quartz watches are extremely accurate. Consider case diameter (38-42mm men, 28-36mm women), water resistance, and bracelet style. Rotary and Bering offer exceptional quality at accessible price points.

Clean jewellery regularly with warm water, mild soap and a soft brush. Remove jewellery before swimming, bathing or exercising. Chlorine can damage gold and loosen gemstones. Store pieces separately to prevent scratching. Bring jewellery for professional inspection at least once a year.

The perfect fit ensures comfort and security. UK ring sizes range from H to Z. Popular women's sizes are L-N, men's P-S. To measure at home, wrap paper around finger, measure in mm, divide by 3.14. Fingers are larger in warm weather. If between sizes, choose the larger. Visit our showroom for professional measurement.

Jewellery makes a meaningful gift for birthdays, anniversaries, weddings and special occasions. Consider the recipient's birthstone for birthdays. Traditional anniversary gifts include gold (50th), silver (25th) and pearl (30th). Consider their lifestyle and personal style. A gift receipt gives flexibility. Our team is always happy to help.