PRINS & PRINS

DIAMONDS

diamonds, gemstones

Jewellery & Blogs

Close-up photo of five opals — two white opals with pastel play-of-colour, three black opals with vibrant blue, green, and red flashes, and one vivid orange fire opal — displayed on a black velvet background, showcasing different types of opals and their play-of-colour for fine jewellery and collectors.
Blog

Opal – The Enchanting Rainbow Gemstone

Discover the captivating world of opals — nature’s rainbow gemstone. In this guide, Prins & Prins Diamonds explores opal’s unique play-of-colour, its fascinating varieties like black opal and fire opal, and expert tips on caring for these enchanting gems.

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High-resolution photo of five treated gemstones — blue sapphires, red ruby, green emerald, and pink sapphire — displayed on a grey background with a jeweller’s loupe and metal tweezers, illustrating gemstone treatments, enhancements, and gemmology inspection.
Blog

Gemstone Treatments & Enhancements 101: What Every Buyer Should Know

Gemstone treatments are a natural part of the jewellery world, but understanding them is key to making informed choices. In this guide, Prins & Prins Diamonds explains common gemstone enhancements — from heat-treated sapphires to oiled emeralds — and offers expert advice on value, disclosure, and caring for treated gems.

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Collection of faceted spinel gemstones in vivid red, hot pink, cobalt blue, violet, and grey displayed on black velvet, showcasing spinel gemstone colours, rare gemstones for collectors, spinel brilliance, and fine jewellery gemstones.
Blog

Spinel – From “Imposter” to Collector’s Darling

Once mistaken for ruby, spinel has stepped into the spotlight as one of today’s most exciting collector gemstones. In this in-depth guide, Prins & Prins Diamonds explores spinel’s fascinating history, its vibrant range of colours, and why this once-overlooked gem is now highly prized for fine jewellery and gemstone collections.

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Side-by-side comparison of antique cushion-cut diamond ring with vintage yellow gold setting and modern round brilliant-cut diamond ring in platinum, showcasing differences in diamond cuts, vintage jewellery, antique diamond craftsmanship, and modern brilliance
Blog

Antique vs. Modern Diamond Cuts: A Guide for the Vintage Jewellery Lover

Discover the fascinating differences between antique and modern diamond cuts. This guide from Prins & Prins Diamonds explores the unique charm of Old Mine, Old European, and Rose Cuts, and compares them to the brilliance of modern Round Brilliant diamonds — helping collectors and jewellery lovers appreciate the evolution of diamond craftsmanship.

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