By Dr Petre Prins
Managing Director, Prins & Prins Diamonds
PhD, MBA | Geology, Mineralogy & Geochemistry
Cape Town, South Africa
As we speak daily with our clients and the many couples searching for an engagement ring, and observe which diamonds celebrity couples are choosing, clear engagement ring trends for 2026 begin to emerge. These insights are shaped by decades of direct consultation with engagement couples, hands-on diamond sourcing, and bespoke ring design in our Cape Town atelier.
Our design and diamond experts reveal the emerging trends in natural diamond engagement rings below. Each reflects a growing desire for individuality, character, and long-term value.
In short, natural diamonds with personality, warmth, and distinction will define engagement rings in the years ahead.
Meet Our Experts
- Stacey Courtis – Engagement consultant with 15 years’ experience guiding couples through diamond selection and ring design
- Mia Grobbelaar – Designer and goldsmith, special mention at the PlatAfrica Jewellery Competition
- Penny Murdock – GIA-qualified gemmologist specialising in natural diamond evaluation
The Re-emergence of Natural Diamonds
The most significant trend for 2026 is the return to natural diamonds for engagement rings. Years of aggressive marketing by lab-grown diamond sellers encouraged many couples to prioritise size and price over rarity and long-term value. In the United States, nearly 40% of engagement rings now feature lab-grown diamonds — attractive in appearance, but with little to no resale value.
Nothing compares to the rarity, individuality, and history of a natural diamond formed deep within the Earth over billions of years. An engagement ring represents a promise of enduring love and is often intended as a family heirloom. Couples increasingly want a symbol that reflects their unique relationship and retains intrinsic value. In our own consultations, we see many couples reconsider lab-grown diamonds once they understand the realities of long-term worth, scarcity, and individuality.
Elongated Diamond Cuts
Elongated diamond cuts are set to become the most requested engagement ring shapes for 2026.
Marquise, oval, and elongated hybrid cuts create an elegant lengthening effect on the finger and often appear larger than a round brilliant diamond of the same weight. No two elongated diamonds ever look exactly alike, as proportions, silhouettes, and faceting styles vary widely.
Recent high-profile engagements, including oval-cut diamonds worn by international celebrities, have sparked renewed global interest in these refined shapes.
Antique Diamonds
Modern cutting technology allows for mathematical precision that maximises brilliance, but this precision also results in diamonds of identical size and cut looking remarkably similar. Many couples now ask a simple question: where is the individuality?
Antique diamonds and rings offer the answer. These historic diamonds were cut to sparkle under candlelight, producing broader facets and a softer, more romantic glow under modern lighting. Old-cut diamonds such as Rose Cuts and Old Mine Cuts are increasingly rare, as many have been repolished into modern shapes over time.
As custodians of antique and estate diamonds, we regularly assess and restore these historic cuts for contemporary wear while preserving their original character. An antique diamond or ring in good condition carries heritage, charm, and a story that can endure for generations.
Tinted Natural Diamonds
Since the late 1940s, diamond buyers have been conditioned to prioritise colourless diamonds in the D–J range. Today, many couples are embracing warmth instead.
Diamonds with gentle brown or yellow tones — often described as Champagne, Dark Cape, or off-white — are gaining popularity. These natural colours are flattering on all skin tones, offer greater individuality, and are often more accessible than colourless diamonds. Importantly, they also stand apart from lab-grown diamonds, which are typically produced in uniform D colour.
Each naturally tinted diamond is unique, and this individuality resonates strongly with modern engagement couples.
Chunky Gold Rings
Bold yellow gold engagement rings are back. With gold at historic value levels, couples appreciate both its investment appeal and the luxurious presence of a solid gold ring set with a single natural diamond.
From a goldsmith’s perspective, heavier gold rings offer superior durability compared to mass-produced, lightweight designs set with numerous small diamonds that can loosen or fall out over time. Solid construction ensures longevity, comfort, and heirloom potential.
The Classic “Less-is-More” Solitaire
For decades, engagement rings featuring a centre diamond surrounded by smaller diamonds dominated the market. While these designs remain popular, a clear shift towards classic solitaire engagement rings is emerging.
Modern couples want the diamond itself to tell the story. Minimalist designs are easier to maintain, remain visually striking over time, and allow the diamond to take centre stage. Today’s solitaires move far beyond the traditional Tiffany style, incorporating sculptural metalwork, mixed metal colours, bezel and rub-over Swiss settings, and refined architectural details.
These designs feel pure, sophisticated, and timeless — modern heirlooms created with intention.For expert advice on engagement rings, speak to the specialists at Prins & Prins Diamonds.
Our approach is to educate first, offering transparent guidance on natural diamonds and bespoke ring design tailored to your budget, lifestyle, and personal values. Our in-house goldsmiths and qualified gemmologist ensure complete peace of mind at every step.