Gemstone Engagement Rings: How to Choose the Right Stone

The gemstone sits at the heart of an engagement ring's design, and is amongst the first things one notices when the ring is first revealed. When worn, it constantly draws the eye, reminding its wearer of a precious proposal.

Choosing one requires careful consideration, beyond beauty, the right gemstone balances the practical, how it holds up to a lifetime of daily wear, against the personal, what it means to you and how it carries a shared story.

How to pick a stone for an engagement ring? It comes down to a handful of questions, some technical and some deeply personal, and this guide walks you through each one before you decide.

An engagement ring is worn every day, a quiet companion through life’s ebb and flow.

These three qualities help determine how well a gemstone can cope with different lifestyles:

• Hardness: A stone's resistance to scratching, measured on the Mohs scale from 1 to 10. For a ring worn daily, it’d be good to aim for 7 and above.
• Toughness:  Its resistance to chipping, cracking, or breaking under a knock, a quality separate from hardness.
• Stability:  Its resistance to heat, light, and household chemicals, all of which a ring may be exposed to over the years. In coloured gemstones, the type of treatments will also matter, in terms of how the gemstone will look like over the years. Some treatments are more stable than others.

Diamonds score a full 10 on the Moh’s scale, followed by Sapphires – both are excellent choices for durability. As with all jewellery, regardless of how hard, tough, or stable a gemstone is, they still require proper care to retain their beauty.

Should you find yourself considering slightly softer stones for engagement rings,the design you choose can help play a part in protecting them; for example, a bezel setting surrounds a gemstone fully, and may act as a layer against scratches, or chipping.

B.P. de Silva’s Deco Pop Rings with bezel setting.

Consider how they live. If their days involve always being on the move, and have a lot of hands-on craft, you may wish to prioritise a harder stone and a setting that shields it.

A Diamond engagement ring remains timeless and versatile. It suits almost any setting and never dates, which is part of why it has held its place so long. Coloured stones, by contrast, make a quiet statement and set a ring apart, and they've become incredibly sought-after in recent years, no longer just as Diamond alternatives for engagement rings; colour is emotion and have the ability to storytell a memory.

Often, the most lasting choices are the ones that carry meaning. A birthstone, a favourite colour, or a stone that reminds you of a place or a moment in time can turn a beautiful object into something more personal.

Some couples choose by shared values instead. A responsibly sourced stone or one of rare origin can hold as much meaning as any birthstone, standing for the values they share and the kind of beginning they want their ring to mark.

The setting is more than a design detail – it can help to protect your gesmtone.Softer or more vulnerable gemstones benefit from a bezel, which frames the stone’s silhouette in metal.

You may also consider how the stone's shape and colour will sit against your chosen precious metsl of choicethe warmth of yellow gold or the cooler tone of platinum can each draw out a different side of the very same stone.

Once you've narrowed the field, a few measures help you weigh one stone against another:

• Colour: For coloured gemstones, this matters most of all. Look for a vivid, evenly distributed saturation rather than patches of light and dark.
• Clarity:  Inclusions are natural, the fingerprints of a stone's formation, though they shouldn't undermine its brilliance or structure.
• Cut:  A skilled cut governs how light travels through a stone, and a well-cut gem returns far more light than a poorly cut one.
• Carat: Size has its appeal, yet quality almost always wins. A smaller, fine-quality stone tends to outshine a larger, flawed one.

For Diamonds, the 4Cs (cut, colour, clarity, and carat) remain the standard for its assessment. . For coloured gemstones for engagement rings, colour and saturation can take priority over clarity. The gemstone’s characteristics may look like everything you’re looking for in paper but ultimately, there’s nothing like viewing the stone in person, and seeing it in natural light where its truest colour can be witnessed.

A natural coloured gemstone is one of a kind, they cannot be exactly replicated. It is one of the - reasons gemstone engagement rings have grown so popular. Rarity, can drive price as much as size does. Hence, it helps to decide what matters most to you, whether size, the intensity of the colour, or a particular origin, and let our Jewellery Specialists do the rest.

Whether you have a clear idea of what you want, or only a vague sense of it, the right professional can help bring it into focus. A trusted jeweller can source stones you'd never find in a display case, measure your ring size accurately, advise on durability, recommend a setting, and offer honest guidance on gemstone care for the years ahead.

Private jewellers like B.P. de Silva, can offer an incredibly tailored approach to a customised or bespoke ring – ultimately crafting a one of a kind jewel for you.

In our 5th generation, B.P. de Silva has spent over 150 years sourcing rare and ethically sourced gemstones, and our bespoke service is shaped around your taste, your lifestyle, and your story. At our Dempsey boutique, you're welcome to take your time, comparing colour, brilliance, and size in natural light until you find the stone that's meant for you.

Which gemstone is best for an engagement ring? In truth, there is no single answer, only the stone that's right for you and your lifestyle. A bespoke gemstone engagement ring lets you choose a stone that fits your style, your lifestyle, and your story, rather than the other way around.

Ready to find your stone? Book a consultation with our specialists to explore rare, natural gemstones and design an engagement ring that's safekeeps your story. Visit our flagship boutique in Singapore, or book a virtual concierge appointment if you’re unable to visit our boutique in person.