Product: Natural sapphire; Shape: Round; Color: Yellow; Size: 2.40–3.10 mm; Clarity: No visible inclusions; Treatment: Diffusion; Origin: Thailand; Note: There is a color difference between stones;
Product: Natural Sapphire, Shape: round; Color: Yellow; Size: 3.30 mm, Weight: 0.20 carats, Clarity: No visible inclusions, Treatment: heat-treated, Origin: Sri Lanka
Product: Natural Sapphire, Shape: Round, Color: Blue, Size: 5.30 mm, Weight: 0.80, Clarity: faintly visible inclusions, Treatment: heat-treated, Origin: Sri Lanka
Product: Natural Sapphire, Shape: Round, Color: Bicolor Green Blue, Size: 4.60 mm, Weight: 0.35 carats, Clarity: No visible inclusions, Treatment: Heat-treated, Origin: Madagascar
Product: Natural Sapphire, Shape: Round, Color: Light Blue, Size: 4.70 mm, Weight: 0.50 carats, Clarity: No visible inclusions, Treatment: Thermal, Origin: Sri Lanka
Product: Natural sapphire; Shape: Round; Color: Yellow; Size: 3.90 mm; Weight: 0.30 carats; Clarity: No visible inclusions; Treatment: Heat-treated; Origin: Sri Lanka;