Round brilliant-cut amethyst in a vivid reddish purple with violet-purple flashes around the crown, photographed face-up on a pale gray background at Sapphire Row
Amethyst
Sapphire Row

Purple Gemstones: A Gemologist's Guide to Choosing the Right Purple

View details

Latest News

Gemstone knowledge from the source — sourcing insights, care guides, and buying advice to help you choose stones and jewelry with confidence.

Gemstone Journal

A hand holding an open black gem box of loose pastel pink faceted gemstones, including a square step cut, a large pear and four ovals, with trays of loose colored gemstones behind at Sapphire Row August Birthstone
Sapphire Row

August Birthstone Guide: Peridot, Spinel and Sardonyx

August is the rare month with three birthstones: peridot, spinel and sardonyx. A gemologist's guide to what makes each one...

View details
Hand holding a gem box of matched pastel pink oval and round brilliant-cut gemstones at Sapphire Row, an example of the natural colored gemstones discussed in this lab-grown vs natural guide Colored Gemstones
Sapphire Row

Lab-Grown vs. Natural Colored Gemstones: Value, Beauty, and Authenticity

Lab-grown and natural colored gemstones can look identical — but they differ profoundly in origin, rarity, and long-term value. Here...

View details
Line bracelet of mixed fancy-cut white gemstones in yellow gold worn on the wrist, photographed at Sapphire Row Cultured Pearls
Sapphire Row

Identifying a Real Pearl: How to Tell Authentic Pearls from Imitations

Luster, the tooth test, drill-hole checks, and lab verification — an expert guide to telling real pearls from imitations, and...

View details
A collector examines a gem box of pastel pink oval and round-cut gemstones at Sapphire Row, the kind of matched parcel prized by colored gemstone collectors Alexandrites
Sapphire Row

Rare by Nature: Why Colored Gemstones Are Emerging as High-Value Collector Investments

Collectors are turning to rare colored gemstones — spinel, alexandrite, and tourmaline among them. Here is how rarity, untreated color,...

View details
A hand wearing an oval three-stone engagement ring in yellow gold beside a loose oval pink gemstone, with trays of loose colored gemstones at Sapphire Row Bespoke Jewelry
Sapphire Row

Planning the Perfect Proposal: Designing a Custom Engagement Ring

A memorable proposal begins long before the question. Discover how a personalized jewelry consultation shapes a custom engagement ring, from...

View details
Emerald-cut teal-blue natural sapphire held in jeweler's tweezers at Sapphire Row, a finely cut stone destined for a hallmarked precious-metal setting Fine Jewelry
Sapphire Row

Jewelry Hallmarks: The Hidden Language of Fine Craftsmanship and Authenticity

In fine jewelry, real value rarely announces itself. More often it is whispered — pressed in miniature into the inside...

View details