| Weight | 3.65 Ct |
|---|---|
| Dimensions | 9.8 × 8.5 × 5.0 mm |
| Variety | Blue Sapphire |
| Clarity | SI |
| Shape | Oval |
| Mining Location | Ratnapura village around mining in Sri Lanka |
| Color | Blue |
| Treatment | heated |
3.65 ct Natural Ceylon Blue Sapphire Oval Step Cut from Ratnapura, Sri Lanka
This natural Ceylon blue sapphire weighs 3.65 carats and is cut in an oval step-cut style. The gemstone measures 9.8 × 8.5 × 5.0 mm and shows a deep blue color with SI clarity. Sourced from Ratnapura village around mining in Sri Lanka, this heated blue sapphire is suitable for gem dealers, jewelers, collectors, and jewelry manufacturers looking for a natural Sri Lankan sapphire with good size, strong color, and custom jewelry potential.
Gemstone Explanation
Blue sapphire is one of the most recognized varieties of corundum and is widely used in fine jewelry. It is valued for its blue color, durability, and long-term demand in the gemstone trade. This 3.65 ct sapphire has an oval step-cut style, giving the stone a structured reflection pattern and a professional face-up appearance.
The SI clarity grade means the gemstone contains natural inclusions visible under close inspection. These inclusions are part of the stone’s natural identity and should be considered by buyers when evaluating the gemstone for jewelry use or collection.
Origin Explanation
This sapphire is sourced from Ratnapura village around mining in Sri Lanka. Ratnapura is one of the most important gemstone regions in the country and is known for producing sapphires, spinel, garnet, chrysoberyl, zircon, tourmaline, and other natural gemstones.
Sri Lanka, also known as the gem island, has a long history of gemstone mining, cutting, trading, and export. Ceylon sapphires from Sri Lanka are respected by gem dealers and jewelers for their color variety, origin reputation, and strong market demand.
Gemstone Details
Gemstone: Natural Ceylon Blue Sapphire
Weight: 3.65 ct
Measurements: 9.8 × 8.5 × 5.0 mm
Shape / Cut: Oval step cut
Color: Blue
Clarity: SI
Treatment: Heated
Origin: Ratnapura, Sri Lanka
Country: Ceylon / Sri Lanka
Recommended Use: Rings, pendants, custom jewelry, dealer stock, collector stone
Durability and Gemstone Family
Sapphire belongs to the corundum family and has excellent durability for jewelry use. With a hardness of 9 on the Mohs scale, sapphire is suitable for rings, pendants, earrings, and other jewelry pieces designed for regular wear. This makes blue sapphire a practical gemstone for jewelry manufacturers and buyers who require both color and strength.
Jewelry Use Suggestions
This 3.65 ct oval step-cut blue sapphire can be used as a center stone for a custom ring, pendant, or statement jewelry design. The oval shape gives a balanced appearance, while the step-cut faceting creates a more structured look compared with traditional brilliant cuts. It can be set in yellow gold, white gold, platinum, or silver depending on the design direction.
Frequently Asked Questions
Yes. This is a natural Ceylon blue sapphire from Sri Lanka.
Yes. This sapphire is heated. Heat treatment is commonly accepted in the sapphire trade to improve color and appearance.
This gemstone is sourced from Ratnapura village around mining in Sri Lanka, one of the most recognized gemstone regions in the country.
Yes. Sapphire is highly suitable for jewelry because of its durability. This 3.65 ct oval step-cut blue sapphire can be used for rings, pendants, and custom jewelry designs.
Sri Lanka has a long gemstone history and is known as the gem island. The country is respected for producing natural sapphires and many other colored gemstones with strong international demand.
Yes. The 3.65 ct size, oval step-cut shape, and blue color make this sapphire suitable for custom rings, pendants, and fine jewelry manufacturing.









