Best Square Loose Diamonds of 2025

The JIANGYUANGEMS CZ Stones offer a set of 50 square princess cut cubic zirconia stones, perfect for replacing missing jewels in your jewellery. With a temperature resistance of 1200 to 1500 degrees centigrade, these stones are durable for various crafting projects. Measuring approximately 4x4mm, they can be used in a variety of jewellery-making applications, including earrings, necklaces, and bracelets. This versatility allows you to express your creativity in DIY crafts while ensuring your pieces look stunning and professional.

The JINGANGZUO CZ Stones feature a stunning mix of 15 colours, with 30 pieces of square princess cut cubic zirconia stones measuring approximately 5x5mm. This variety allows you to create beautiful and unique jewellery pieces, enhancing your crafting experience. With a temperature resistance of 600 to 700 degrees Celsius, these stones are durable and reliable for various applications. You can use them to make earrings, bracelets, necklaces, rings, and more, making them perfect for both personal projects and gifts.

The Roy Rose Moissanite Stone boasts the highest quality D/VVS1 certification, ensuring you receive a gemstone that closely resembles a natural diamond. Each stone is laser-etched with a unique serial number for authenticity, providing you peace of mind with your purchase. With a hardness rating of 9.25, it offers superior durability, making it an excellent choice for everyday wear. Unlike other gemstones, this moissanite exhibits exceptional brilliance and fire, ensuring it stands out beautifully in any setting.

The Justinstones Gemstone Beads come in a strand measuring approximately 15 to 16 inches long, featuring between 85 to 100 beads. Each bead is about 4mm in size and weighs around 16g per strand, making them ideal for various DIY jewellery projects. These high-quality loose beads are perfect for creating unique designs, as each one is distinct in colour and markings. Please note that the beads cannot be worn directly, but they offer endless possibilities for personalisation and creativity in your jewellery making.

The WTIAN Gemstone Beads are crafted from natural stone, offering a polished look with a smooth surface, ideal for your jewellery projects. Measuring approximately 2mm, these beads come in strands of about 15 to 15.5 inches, providing around 165 beads to fulfil all your crafting needs. Each bead features a drilled hole, allowing you to easily create earrings, bracelets, and more. With their versatility, you can embellish clothing or undertake various DIY projects, making these beads a fantastic addition to your craft supplies.

The REAL-GEMS White Topaz is a stunning gemstone weighing 94.50 carats, perfect for creating a striking pendant. Its square cut shape adds a modern touch, ensuring that it catches the eye beautifully. With dimensions of 28 x 28 x 13 mm, this gemstone is substantial yet manageable, allowing for easy integration into various jewellery designs. The pure white colour of the created white topaz gives it a classic and elegant appeal, making it ideal for both casual and formal occasions.

The REAL-GEMS Green Amethyst is a stunning created gemstone weighing 75.50 carats. With dimensions of 24 x 23 x 15 mm, it boasts a beautifully refined square cut that enhances its vibrant colour. This gemstone is perfect for custom jewellery, allowing you to add a unique touch to your collection. The large carat weight ensures that it will catch the eye, making it an excellent choice for statement pieces. Whether for personal use or as a thoughtful gift, this green amethyst offers elegance and versatility.

The Diamonbella Simulated Diamond features an impressive 101 facets, enhancing its brilliance, dispersion, and scintillation. This unique design ensures that the stone shines brightly, even in low light, making it perfect for any occasion. Unlike lower quality diamonds or cubic zirconia, this stone offers edge-to-edge brilliance, reflecting vibrant light. Created in a laboratory, it is flawless and colourless, providing you with a diamond-like appearance without the hefty price tag. You’ll enjoy the stunning sparkle and fire, making this a delightful addition to your jewellery collection.

The Gemsyogi Turquoise Cabochon is a natural gemstone that is perfect for various purposes. Whether you are an astrologer, jeweller, or designer, this loose gemstone can enhance your creations. Supplied at wholesale rates, it offers great value for those looking to purchase in bulk. Additionally, this cabochon makes a thoughtful gift for a special someone. Keep in mind that the product's colour may slightly vary due to lighting and monitor settings, adding to its unique charm.

The Jewelryonclick Blue Sapphire is a stunning natural gemstone available in various shapes, including oval, square, and rectangle. Perfect for jewellery making, this gemstone is ideal for astrologers, jewellers, and designers, allowing you to create unique pieces. It's also a meaningful gift for collectors or loved ones, making it versatile for any occasion. Additionally, you can benefit from wholesale pricing for bulk orders, offering great value for your purchases. Just remember that slight variations in shape and size may occur, as each gemstone is unique.