See below some examples of Facet Rectangle shape designs.
Click here to view Faceted Gemstones.
Natural Gemstones

Garnet
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Star Sapphire
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Tanzanite
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Tourmaline
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Yellow Beryl
Natural Gemstones

Garnet

Star Sapphire

Tanzanite
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Tourmaline

Click here to view Faceted Gemstones.