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

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November Birthstone: orange topaz, orange citrine, Swiss blue topaz and orange citrine Birthstones
Sapphire Row

November Birthstone: A Buyer's Guide to Topaz and Citrine

November's two birthstones, topaz and citrine: how to tell them apart, what imperial and blue topaz mean, and how to choose.

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Yellow Gemstones: yellow sapphire, orange citrine, yellow chrysoberyl and yellow zircon on a white card over a soft yellow page Color Guides
Sapphire Row

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

Yellow sapphire, citrine, zircon, topaz and chrysoberyl: how to tell a bright golden stone from a muddy one, and how to choose.

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Purple Gemstones: purple amethyst, purple sapphire, purple spinel and purple rhodolite garnet on a white card over a soft purple page Color Guides
Sapphire Row

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

Amethyst, purple sapphire, spinel, tanzanite and rhodolite: what separates a fine purple from a dull one, and how each wears.

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Pink Gemstones: pink sapphire, pink spinel, pink morganite and pink tourmaline on a white card over a soft pink page Color Guides
Sapphire Row

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

From pale morganite to vivid rubellite: the pink gemstones worth knowing, which suit a ring, and which treatments to ask about.

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Red Gemstones: red ruby, vivid red spinel, rubellite tourmaline and purple rhodolite garnet on a white card over a soft red page Color Guides
Sapphire Row

Red Gemstones: A Buyer’s Guide to Choosing the Right Red

Ruby, red spinel, garnet and rubellite all read as red but wear and price differently. How to choose the right red for you.

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Orange Gemstones: orange spessartite garnet, orange sapphire, hessonite garnet and orange topaz on a white card over a soft orange page Color Guides
Sapphire Row

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

Spessartite, hessonite, sapphire, zircon and more: how to tell true orange from brown, and which orange gem suits which piece.

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Green Gemstones: green emerald, green tsavorite garnet, green tourmaline and green peridot on a white card over a soft green page Color Guides
Sapphire Row

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

Emerald, tsavorite, demantoid, green sapphire, tourmaline and peridot: what makes each green and how to choose the right one.

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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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October Birthstone: red opal, pink tourmaline, green tourmaline and rubellite tourmaline Birthstones
Sapphire Row

October Birthstone: A Buyer's Guide to Opal and Tourmaline

October's two birthstones, opal and tourmaline, could hardly be less alike. How each gets its color and how to choose.

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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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Gemstone Treatments Explained: heated blue sapphire, oiled green emerald, untreated Malaya garnet and unheated blue sapphire in a grid Treatments and Labs
Sapphire Row

Gemstone Treatments Explained: What's Normal and What's Not

Which gemstone treatments are routine, which change a stone's value, and how to read treatment on a lab report before you buy.

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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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