For generations, diamonds have reigned supreme as the ultimate symbol of everlasting love. However, more and more couples today are seeking something unique, personal, and colourful to represent their commitment. Fortunately, nature offers an extraordinary variety of gemstones that are not only beautiful, but also durable enough to grace engagement rings worn every day.
At Prins & Prins Diamonds, we believe that your engagement ring should reflect your individual love story. In this guide, we introduce five stunning gemstones that offer an inspiring alternative to the classic diamond — each blending beauty, symbolism, and strength for a truly distinctive piece.
1️⃣ Sapphire – The Royal Alternative
The Appeal:
Sapphires are one of the most popular diamond alternatives — and with good reason. Their timeless beauty, rich symbolism, and incredible durability make them a perfect choice for engagement rings. While most people associate sapphires with deep royal blue, these remarkable gemstones occur in a rainbow of colours, including pink, yellow, green, and even white.
Meaning:
Sapphires have long been associated with fidelity, loyalty, wisdom, and truth — qualities that make them especially fitting for a lifelong commitment.
Durability:
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Mohs Hardness: 9 (second only to diamond)
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Exceptionally resistant to scratching and daily wear.
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Ideal for an engagement ring designed to last a lifetime.
Notable Inspiration:
The world-famous sapphire engagement ring worn by Princess Diana — now worn by the Princess of Wales, Catherine — has inspired countless sapphire ring designs across the globe.
Care Considerations:
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Easy to maintain with routine cleaning.
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Durable enough for regular wear with minimal special care required.
2️⃣ Ruby – The Gem of Passion
The Appeal:
Few gemstones capture the essence of passion and romance like the rich, fiery red of ruby. As a variety of the corundum mineral family (the same as sapphire), ruby combines vivid colour with exceptional durability.
Meaning:
Ruby symbolises love, passion, vitality, and courage — making it an intensely romantic choice for engagement rings.
Durability:
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Mohs Hardness: 9
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Extremely durable for daily wear.
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High-quality rubies are highly prized and can be rarer than fine diamonds.
Care Considerations:
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Rubies are very low-maintenance.
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Clean with warm, soapy water and a soft brush.
3️⃣ Emerald – The Lush Symbol of Renewal
The Appeal:
Emerald’s lush green hue has captivated jewellery lovers for centuries. Its unique colour offers a bold and sophisticated alternative to more traditional engagement ring stones.
Meaning:
Emerald symbolises renewal, growth, harmony, and new beginnings — perfect for the start of a lifelong journey together.
Durability:
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Mohs Hardness: 7.5 to 8
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While reasonably hard, emeralds are more brittle and can be prone to chipping.
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Most emeralds are treated with oil to enhance clarity, which requires gentle care.
Care Considerations:
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Avoid ultrasonic cleaners, strong chemicals, and sudden temperature changes.
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Clean gently with lukewarm water and a soft cloth.
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Store separately to prevent scratching.
4️⃣ Morganite – The Modern Romantic
The Appeal:
Morganite’s delicate peach-pink tones offer a romantic and contemporary alternative for engagement rings. Its soft, feminine hue pairs beautifully with rose gold or white gold, creating a modern yet timeless look.
Meaning:
Morganite is associated with compassion, tenderness, promise, and emotional healing, making it a sentimental choice for many couples.
Durability:
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Mohs Hardness: 7.5
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Durable enough for careful daily wear but requires mindfulness to prevent scratching or impact damage.
Care Considerations:
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Avoid harsh cleaning methods and store separately from harder gemstones.
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Clean with warm, soapy water and a soft brush.
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Best suited for wearers who can be attentive to their ring’s care.
5️⃣ Aquamarine – The Tranquil Treasure
The Appeal:
Aquamarine offers a serene beauty with its cool blue to sea-green hues. Reminiscent of tranquil waters, it’s a calming, elegant choice for an engagement ring.
Meaning:
Aquamarine symbolises tranquillity, harmony, clarity, and long-lasting love — beautiful sentiments to represent a lifelong partnership.
Durability:
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Mohs Hardness: 7.5 to 8
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Fairly durable for daily wear, though care should be taken to avoid heavy knocks.
Care Considerations:
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Clean gently with lukewarm water and mild soap.
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Avoid ultrasonic cleaning and strong chemicals.
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Store separately to avoid scratches from harder gemstones.
Choosing the Right Gemstone for You
While these five gemstones offer stunning alternatives to diamonds, it’s essential to consider both durability and lifestyle when selecting your centre stone. Harder stones like sapphire and ruby are excellent for active daily wear, while softer stones like emerald, morganite, and aquamarine are best suited for those who can provide a little extra care.
Ultimately, your engagement ring should reflect your personal taste, values, and love story — whether that’s through a fiery ruby, a regal sapphire, or a romantic morganite.
Trust Prins & Prins Diamonds to Guide You
Choosing a non-diamond engagement ring is a beautiful way to create something truly unique and meaningful. At Prins & Prins Diamonds in Cape Town, our expert gemmologists are passionate about helping you find the perfect gemstone that balances beauty, durability, and significance.
We offer an exceptional selection of fine gemstones, each carefully evaluated for quality and ethically sourced. Whether you’re drawn to the rich history of sapphires, the passionate glow of ruby, or the modern romance of morganite, we are here to guide you through every step of your bespoke engagement ring journey.
Visit Prins & Prins Diamonds to explore our exclusive collection of gemstone engagement rings and create a piece as unique as your love story.
