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Winston Gems & Jewellery
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Gemstone Videos
Gems 101
Fancy-Coloured Sapphires
Where to Source the Best Emeralds
What are Cultured Pearls?
The World's Rarest Gems
Gemstone Hardness and Toughness
How Diamond Testers Work
Aquamarine versus Blue Topaz
What is Imperial Topaz
Gold versus Platinum
What are Opal Doublets and Triplets?
Lapis Lazuli, Turquoise and Malachite
Opal Gemstones
What is a Chrome Tourmaline?
How to Shop for a Blue Sapphire
Pros and Cons of Lab Diamonds
Natural Pink Conch Pearls
5 Things to Know About Spinel
Unique Engagement Ring ideas
Paraiba Tourmaline
Alexandrite and Colour-Change Gems
Pink Sapphire versus Morganite
Gemstone Treatments to Know
Gemstone Treatments to Avoid
Tools for Identifying Gemstones
What is Pigeon's Blood Ruby?
Peridot Gemstone Facts
How to Clean Pearls and Delicate Gemstones
Moissanite vs. CZ vs. Lab Diamonds
Yellow Sapphire Facts
Quartz Watches vs. Automatics Watches
Diamond Cuts and Shapes Explained
Padparadscha Sapphire
Winston Gems & Jewellery
About
Book an Appointment
Gemstone Videos
Gems 101
Fancy-Coloured Sapphires
Where to Source the Best Emeralds
What are Cultured Pearls?
The World's Rarest Gems
Gemstone Hardness and Toughness
How Diamond Testers Work
Aquamarine versus Blue Topaz
What is Imperial Topaz
Gold versus Platinum
What are Opal Doublets and Triplets?
Lapis Lazuli, Turquoise and Malachite
Opal Gemstones
What is a Chrome Tourmaline?
How to Shop for a Blue Sapphire
Pros and Cons of Lab Diamonds
Natural Pink Conch Pearls
5 Things to Know About Spinel
Unique Engagement Ring ideas
Paraiba Tourmaline
Alexandrite and Colour-Change Gems
Pink Sapphire versus Morganite
Gemstone Treatments to Know
Gemstone Treatments to Avoid
Tools for Identifying Gemstones
What is Pigeon's Blood Ruby?
Peridot Gemstone Facts
How to Clean Pearls and Delicate Gemstones
Moissanite vs. CZ vs. Lab Diamonds
Yellow Sapphire Facts
Quartz Watches vs. Automatics Watches
Diamond Cuts and Shapes Explained
Padparadscha Sapphire
About
Book an Appointment
Gemstone Videos
Folder: Gems 101
Back
Fancy-Coloured Sapphires
Where to Source the Best Emeralds
What are Cultured Pearls?
The World's Rarest Gems
Gemstone Hardness and Toughness
How Diamond Testers Work
Aquamarine versus Blue Topaz
What is Imperial Topaz
Gold versus Platinum
What are Opal Doublets and Triplets?
Lapis Lazuli, Turquoise and Malachite
Opal Gemstones
What is a Chrome Tourmaline?
How to Shop for a Blue Sapphire
Pros and Cons of Lab Diamonds
Natural Pink Conch Pearls
5 Things to Know About Spinel
Unique Engagement Ring ideas
Paraiba Tourmaline
Alexandrite and Colour-Change Gems
Pink Sapphire versus Morganite
Gemstone Treatments to Know
Gemstone Treatments to Avoid
Tools for Identifying Gemstones
What is Pigeon's Blood Ruby?
Peridot Gemstone Facts
How to Clean Pearls and Delicate Gemstones
Moissanite vs. CZ vs. Lab Diamonds
Yellow Sapphire Facts
Quartz Watches vs. Automatics Watches
Diamond Cuts and Shapes Explained
Padparadscha Sapphire

Ruby vs. Rubellite Tourmaline

A GIA gemologist describes how ruby and rubellite tourmaline compare with each other and all of the pros and cons of each.

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Yellow Sapphires: Five Things to Know

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Tanzanite Gemstone Facts

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