Ruby #4
Lab-created Ruby #4 is a precise industry color grade for synthetic corundum produced via the Verneuil (Flame Fusion) method.
Positioned directly on the color transition spectrum, Ruby #4 marks the exact threshold where the crystal formula shifts away from pink sapphire tints (like Rose #2 and #3) into a true, definitive red ruby color profile.
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Lab Created Ruby #4, Round
Price range: $17.00 through $442.00
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Lab Created Ruby #4, Oval
Price range: $40.00 through $167.00
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Lab Created Ruby #4, Octagon
Price range: $30.00 through $467.00
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Lab Created Ruby #4, Square
Price range: $25.00 through $170.00
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Lab Created Ruby #4, Marquise
Price range: $33.00 through $167.00
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Lab Created Ruby #4, Heart
Price range: $67.00 through $333.50
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Lab Created Ruby #4, Baguette
Price range: $35.00 through $490.00
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Lab Created Ruby #4, Pear
Price range: $43.00 through $166.60
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Lab Created Ruby #4, Trillion
Price range: $56.00 through $112.00
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Lab Created Ruby #4, Triangle
Price range: $60.00 through $180.00
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Lab Created Ruby #4, Tapper
Price range: $30.00 through $60.00
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Lab Created Ruby #4, Star
Price range: $55.00 through $333.00
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