# Natural Blue Sapphire 1.25 Ct Radiant Cut Loose Gemstone | Cornflower Blue Neelam September Birthstone **Natural Blue Sapphire weighing 1.25 carats, featuring a radiant cut, cornflower blue colour and heat treatment, offered as a loose gemstone for custom jewellery and gemstone collections.** This natural blue sapphire weighs 1.25 carats and displays an attractive cornflower blue colour. Its radiant cut enhances brilliance while maintaining elegant proportions, making it suitable for custom engagement rings, pendants, and bespoke jewellery designs. Supplied loose, this gemstone offers flexibility for personalised jewellery creation. ### Quick Summary - **Gemstone:** Natural Blue Sapphire - **Weight:** 1.25 Carat - **Shape:** Radiant Cut - **Colour:** Cornflower Blue - **Clarity:** VVS - **Treatment:** Heat Treated - **Birthstone:** September - **Certification:** Included Blue sapphire is a variety of natural corundum valued for its durability, colour stability, and timeless appeal. Ranking 9 on the Mohs hardness scale, sapphire is suitable for jewellery intended for regular wear when professionally set. As the birthstone for September, blue sapphire is traditionally associated with loyalty, wisdom, and sincerity. Its enduring popularity makes it a preferred gemstone for engagement rings, anniversary jewellery, and heirloom-inspired designs. ### Gemstone Specifications - **Identification:** Natural Sapphire - **Species:** Natural Corundum - **Variety:** Blue Sapphire - **Shape / Cut:** Radiant - **Clarity:** VVS - **Weight:** 1.25 Carat - **Colour:** Cornflower Blue - **Measurements:** 6.10 × 5.12 × 4.00 mm - **Treatment:** Heat Treated - **Birthstone:** September ### Certification & Authenticity This sapphire is accompanied by a certificate issued by an authorised gemologist confirming its identity as a natural blue sapphire and disclosing any treatments. **Seller Notes:** No significant inclusions are visible to the unaided eye. Please refer to images and certification for additional gemstone characteristics. ### Jewellery Applications - Custom Engagement Rings - Solitaire Ring Designs - Halo Ring Designs - Pendants and Necklaces - September Birthstone Jewellery - Custom Fine Jewellery Projects - Gemstone Collections This gemstone is sold loose and is not supplied as a finished jewellery item. Custom jewellery services are available in gold, rose gold, white gold, silver, and platinum. ### Why Choose This Gemstone? Cornflower blue sapphires are appreciated for their balanced colour, versatility, and timeless appearance. The radiant cut combines brilliance with structured facet patterns, making it suitable for both classic and contemporary jewellery designs. ### Explore Related Collections Browse related selections and educational resources: [Blue Sapphire Collection](https://www.nashgems.com/collections/blue-sapphire-gemstones) | [Natural Sapphire Collection](https://www.nashgems.com/collections) | [All Gemstones](https://www.nashgems.com/collections/all) | [Ready-to-Wear Jewellery](https://www.nashgems.com/collections/sapphire-gemstone-jewelry-rings) | [Contact Us](https://www.nashgems.com/pages/contact) | [Gemstone Education Articles](https://www.nashgems.com/blogs/gemstone-articles) ### Shipping & Returns Worldwide shipping is available. Buyers are responsible for any applicable customs duties or import taxes. Returns are accepted according to our published return policy. ### Frequently Asked Questions #### Is this a natural blue sapphire? Yes. This gemstone is identified as a natural blue sapphire. #### Has this sapphire been treated? Yes. This sapphire has undergone heat treatment. #### Does the sapphire include certification? Yes. A certificate from an authorised gemologist is included. #### Can this sapphire be used in an engagement ring? Yes. Its durability and radiant cut make it suitable for custom engagement ring designs. #### Is this sold as a loose gemstone? Yes. This sapphire is sold loose and is not supplied as a finished jewellery item. ## Details - **Price:** 1170.0 USD - **Vendor:** NASHGEMS - **Type:** blue Sapphire - **Tags:** anniversary ring, astrological gemstone, Benefits of wearing blue sapphire, Best place to buy Loose sapphire, birthday ring, birthstone, birthstone ring, blue, blue gems, blue gems aba, Blue gems meaning, blue gemstone bracelet, blue gemstone earrings, blue gemstone engagement rings, blue gemstone names, blue gemstone necklace, blue gemstone ring, blue gemstones, blue gemstones meaning, blue sapp, blue sapphire, blue sapphire and diamond ring, blue sapphire benefits, blue sapphire bracelet, blue sapphire earrings, blue sapphire engagement rings blue sapphire necklace, blue sapphire gemstone, blue sapphire jewelry, blue sapphire meaning, Blue sapphire meaning and symbolism, blue sapphire price, blue sapphire ring, blue sapphire ring with diamonds, Blue sapphire spiritual meaning, blue sapphire stone, blue sapphire stud earrings, blue sapphire wedding anniversary, blue sapphire wow classic, Blue stones and crystals, Buy high quality Loose sapphire, Buy loose sapphire stones, ceylon sapphire, cluster ring, Dark blue gemstones, Different types of blue sapphire, engagement ring, gemstone, gemstone jewellery, gemstone ring, Genuine Montana sapphire jewelry, handmade jewellery, handmade ring, healing sapphire, jewellery, jewelry, Light blue gemstone names, Loose blue sapphire, Loose emerald cut sapphire, loose gemstone, Loose gemstones, Loose Montana sapphire, loose sapphire, Loose sapphire for sale, Loose sapphire gemstones, Loose sapphire gemstones for sale, Loose sapphire price, Loose sapphire stone, Loose sapphire stones, Loose sapphire stones for sale, Loose sapphire wholesale, mermaid sapphire ring, montana, montana sapphire, Montana sapphire colors, Montana sapphire earrings, Montana sapphire engagement ring, Montana sapphire eternity band, Montana sapphire jewelry, Montana sapphire loose gemstones, Montana sapphire meaning, Montana sapphire mine, Montana sapphire necklace, Montana sapphire raw, montana sapphire ring, Montana sapphire value, Montana sapphire wedding band, Montana sapphire Wikipedia, Montana sapphires for sale, Most expensive blue sapphire, Natural blue gemstones, Natural Loose sapphire, pastal blue sapphire, peacock sapphire ring, ring for mom, royal blue, royal blue sapphire, sapphire, sapphire band, Sapphire blue meaning, sapphire collectable, sapphire collector, sapphire engagement ring, sapphire from ceylon, sapphire ring, september birthstone, sky blue sapphire, violets blue, What color is blue sapphire ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1170.00 USD | In stock | ## Images - Natural blue sapphire Neelam birthstone gemstone in a 1.25 ct blue sapphire ring for women, from NASHGEMS jewelry collection. - Natural blue sapphire Neelam gemstone ring for women, 1.25 carats, featuring a vibrant blue sapphire from Sri Lanka by NASHGEMS. - Natural blue sapphire Neelam gemstone ring for women with 1.25 carats, from Sri Lanka, featuring a vibrant blue sapphire by NASHGEMS. - Natural blue sapphire Neelam birthstone gemstone, 1.25 carats, in a NASHGEMS ring, featuring a vibrant blue sapphire for women's jewelry. - Natural blue sapphire Neelam gemstone 1.25 ct in a NASHGEMS ring, featuring a vibrant blue sapphire for women jewelry. - Natural blue sapphire Neelam gemstone, 1.25 carats, in a NASHGEMS ring, showcasing vibrant blue color and elegant jewelry design. - Natural blue sapphire gemstone ring featuring a 1.25 carat blue sapphire from Sri Lanka, crafted by NASHGEMS for women jewelry. - Natural blue sapphire ring with 1.25 carats, blue sapphire gemstone for women, jewelry from Sri Lanka by NASHGEMS - Natural blue sapphire Neelam gemstone ring featuring a 1.25 ct blue sapphire, crafted by NASHGEMS for women jewelry from Sri Lanka. ## Additional Information - **Google: Custom Product:** Yes - **Carat:** 1.25 - **Stone Shape:** Radiant - **Treatment:** Heat Treated --- > Source: [NASHGEMS](https://www.nashgems.com/products/natural-blue-sapphire-1-25ct-radiant-cut-loose-gemstone) > Updated: 2026-07-16