Natural Blue Sapphire weighing 1.51 carats with a radiant cut, royal blue colour and heat treatment, offered as a loose gemstone for custom jewellery.
Quick Summary
- Gemstone: Natural Blue Sapphire
- Weight: 1.51 Ct
- Shape: Radiant Cut
- Colour: Royal Blue
- Treatment: Heat Treated
- Clarity: VS
- Birthstone: September
- Certification Included
This natural blue sapphire displays a vivid royal blue colour and weighs 1.51 carats. Its radiant cut is designed to maximise brilliance while maintaining an elegant outline, making it suitable for custom engagement rings, pendants, earrings and bespoke jewellery designs.
Blue sapphire belongs to the corundum family and is valued for its durability, colour stability and timeless appeal. As one of the hardest coloured gemstones, it ranks 9 on the Mohs hardness scale and is suitable for jewellery intended for regular wear.
Gemstone Specifications
- Identification: Natural Blue Sapphire
- Species: Natural Corundum
- Variety: Blue Sapphire
- Shape/Cut: Radiant Cut
- Clarity: VS
- Weight: 1.51 Ct
- Colour: Vivid Royal Blue
- Measurements: 5.30 × 7.00 × 3.80 mm
- Treatment: Heat Treated
- Birthstone: September
Certification & Authenticity
This sapphire is accompanied by a certificate from an authorised gemologist confirming gemstone identification and treatment disclosure.
Seller Notes: Natural mineral and crystal inclusions are present and are consistent with the gemstone's natural origin.
Jewellery Applications
- Custom Engagement Rings
- Solitaire Ring Designs
- Halo Ring Designs
- Pendants and Necklaces
- Earrings
- September Birthstone Jewellery
- Gemstone Collections
Why Choose a Natural Blue Sapphire?
Natural blue sapphires are recognised worldwide for their durability, rich colour and enduring popularity in fine jewellery. Their combination of beauty and strength has made them a preferred choice for engagement rings and heirloom jewellery for generations.
In gemstone tradition, blue sapphire is associated with wisdom, loyalty and sincerity, contributing to its popularity as a meaningful jewellery gemstone.
Shipping & Returns
Worldwide shipping is available with tracking and insurance. Returns are accepted according to our published return policy.










