Difference Between Unheated & Heated Royal Blue Sri Lankan Sapphire in the 4 to 5-Carat Range

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Time stamps:
1) How much does 4 to 5 carats Sri Lankan Royal Blue Sapphire Cost? (min 0:46)
2) First Microscope - 4.06 carats Unheated Sapphire (min 3:12)
3) Second Microscope - 4.14 carats Heated Sapphire (min 4:36)
4) Third Microscope - 5.12 carats Heated Sapphire (min 5:46)

In this video, I compare the prices between one unheated and two heated GRS certified 4 to 5 carat, Vivid 'Royal Blue' Sri Lankan Sapphire using 4Cs + OT. method.

All three stones have similar criteria as shown below (all GRS certified):
a) Carat Weight (similar) - 4 to 5 carat
b) Color (same) - Top Vivid Royal Blue
c) Clarity (same) - Eye Clean, Transparent
d) Cut (same) - Very Good to Excellent
e) Origin (same) - Sri Lankan
f) Treatment (difference) - 100% natural unheated vs heated

The video also provides microscopic videos & images of 'typical' natural inclusions you see inside unheated & heated Sri Lankan sapphires.

Hope everyone finds this information useful and wish everyone the best of luck with their sapphire hunting!

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