Gemstone Journal

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

Gemstone necklaces and pendants from the Sapphire Row necklaces collection
Jewelry and Gifts
Sapphire Row

Gemstone Pendants: A Buyer's Guide to Choosing the Right Stone for a Necklace

View details
The Investment Case for Rare Rubies: 1.87 ct red ruby in a white circle on navy Investing
Sapphire Row

The Investment Case for Rare Rubies: Color, Clarity, and Provenance

How color, clarity, size, origin and treatment shape a ruby's long-term value, and how to buy an investment ruby with care.

View details
Emeralds as Investments: green emerald from Zambia in a white circle on navy Investing
Sapphire Row

Emeralds as Investments: The Complete Guide to Value, Rarity, and Long-Term Growth

What makes an emerald investment grade: color, clarity, origin, treatment and paperwork, plus the risks to weigh before you buy.

View details
Gemstone Resilience: blue sapphire, red ruby, green emerald and pink tourmaline stepped from hardest to softest Buying Basics
Sapphire Row

Gemstone Resilience: A Complete Guide to Durability, Hardness, and Care

How hardness, toughness and stability decide which gemstones wear well every day, and how to clean and store them so they last.

View details
Ruby Sourcing: oval red ruby in a white circle Gem Guides
Gil Golan

Ruby Sourcing: Everything You Need to Know

Where rubies come from, what sets their color and value, and how origin, treatment and lab reports shape a confident ruby purchase.

View details