Gemstone Journal

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

Morganite gemstones from the Sapphire Row morganite collection
Gem Guides
Sapphire Row

Morganite Gemstone: A Buyer's Guide to Color and Care

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Gemstone Engagement Rings: emerald belcher solitaire ring, pink morganite checkerboard solitaire ring and blue sapphire granulated vintage band in an arc Jewelry and Gifts
Sapphire Row

Gemstone Engagement Rings: A Buyer's Guide to Choosing a Stone That Lasts

Which colored gemstones stand up to everyday wear in an engagement ring, which need a protective setting, and how to choose.

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Anniversary Gemstones by Year: blue sapphire, red ruby, emerald-cut green emerald and diamond in white circles on navy Jewelry and Gifts
Sapphire Row

Anniversary Gemstones by Year: A Buyer's Guide to Choosing the Right Stone

The full list of anniversary gemstones by year, from sapphire at 5 to emerald at 20, and which ones stand up to daily wear.

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Blue Gemstones: blue tanzanite, blue sapphire, blue aquamarine and blue spinel on a white card over a soft blue page Color Guides
Sapphire Row

Blue Gemstones: A Buyer's Guide to Choosing the Right Blue

Sapphire, tanzanite, aquamarine, spinel and more: what makes each one blue, how to tell them apart, and which suit an everyday ring.

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Parti Sapphires and Teal Sapphires: oval teal sapphire in a white circle Gem Guides
Sapphire Row

Parti Sapphires and Teal Sapphires: The Beauty of Color Zoning

What gives parti and teal sapphires more than one color, how the cut changes what you see, and how to judge one before buying.

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September Birthstone: cornflower blue sapphire, pink sapphire, yellow sapphire and Padparadscha sapphire Birthstones
Sapphire Row

September Birthstone: A Buyer’s Guide to Sapphire

Sapphire, the September birthstone, comes in every color but red. How to choose one by color, origin, treatment and wear.

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Gemstone Origin: blue sapphire from Sri Lanka, red ruby from Mozambique and green emerald from Zambia in white circles on navy Buying Basics
Sapphire Row

Gemstone Origin: Why Where a Stone Was Mined Changes Its Value

How Burma, Mozambique, Kashmir, Colombia and Zambia shape a gemstone's value, how labs decide origin, and when it should matter to you.

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Gemstone Color Explained: blue sapphire, teal sapphire, yellow sapphire and pink sapphire beside the word Color on navy Buying Basics
Sapphire Row

Gemstone Color Explained: How Hue, Tone, and Saturation Set Value

How hue, tone and saturation work together, why saturation moves the price most, and how to judge color for yourself.

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Heated vs. Unheated Sapphires: heated blue sapphire and unheated blue sapphire side by side Treatments and Labs
Sapphire Row

Heated vs. Unheated Sapphires: What Treatment Really Means for Value

What heat does inside a sapphire, why most are heated, why unheated stones cost more, and how to read treatment on a report.

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Lab-Grown vs. Natural Colored Gemstones: blue sapphire and blue sapphire side by side Buying Basics
Sapphire Row

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

How lab-grown and natural colored gemstones differ in origin, rarity and value, and how to decide which one is right for you.

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Planning the Perfect Proposal: elongated-stone solitaire vintage-inspired scroll engagement ring setting and blue sapphire with a plus between them Jewelry and Gifts
Sapphire Row

Planning the Perfect Proposal: Designing a Custom Engagement Ring

How a custom engagement ring is designed, from choosing a sapphire, ruby, emerald or diamond center stone to the setting around it.

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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.

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