Five of the most popular shapes for diamond pendants right now are round, princess, oval, pear, and marquise.

Round diamond pendants provide the perfect way to add a touch of elegance and sparkle. With 58 exquisite facets, these timeless pieces come alive with unique brilliance set against any ensemble - from dressed-down jeans or an evening gown. Wherever you go, they'll be sure to bring classic sophistication along for the ride.

Princess diamond pendants are cut in a square or rectangular shape. These beauties are a versatile option is ideal for everyday wear as well as special occasions. And their affordability makes these eye-catching gems an absolute must have.

Oval diamond pendants are the epitome of elegance, with an elongated and tapered shape that seems to sparkle endlessly. Perfect for all occasions special - like engagements, weddings, or anniversaries – these feminine cuts are a popular choice among couples who want something truly unique.

Pear diamond pendants are a timeless and sophisticated pick for special occasions. Gently tapered at one end, their graceful teardrop shape accentuates the beautiful sparkle of each stone, perfect for adding an elegant touch to any formal event or celebration.

Marquise diamond pendants offer an unmistakably chic and sophisticated look. With their elongated, pointed shape like a boat's bow cutting through the water, these radiant gems are sure to sparkle with beauty and glamour. Perfect for engagements, weddings or anniversaries.

Choosing the number of carats for a diamond pendant is highly personal, though it's quite common to go for a smaller weight for everyday pieces. Aim for 0.25-1 carat for an everyday diamond pendant. Go bigger than 1 carat when you're ready to make a grand entrance for that special occasion or wow them with an unforgettable gift.

If a diamond necklace is in good condition, it's generally safe to clean it with a solution of warm water and mild dish soap, and gently scrub the necklace with a soft-bristled toothbrush. Rinse the necklace afterward with warm water and pat it dry with a soft, lint-free cloth. Please see our guide to jewellery care for more details on how to maintain your jewellery between professional cleanings.