# Natural Blue Green Sapphire 0.83 Ct Oval Cut Loose Gemstone | Heat Treated September Birthstone **Natural Blue Green Sapphire weighing 0.83 carats, featuring an oval cut, blue green colour, VVS clarity and heat treatment. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, complete with certification from an authorised gemologist.** This natural Blue Green Sapphire displays a distinctive blend of blue and green tones and weighs 0.83 carats. Sold as a loose gemstone, it offers complete flexibility for creating a custom engagement ring, pendant or bespoke jewellery design. Its elegant oval cut enhances brilliance while showcasing the gemstone's natural colour characteristics. ### Quick Summary - Natural Blue Green Sapphire - Weight: 0.83 Carat - Oval Cut Loose Gemstone - Clarity: VVS - Colour: Blue Green - Treatment: Heat Treated - Birthstone: September - Gemologist Certificate Included Blue Green Sapphire belongs to the corundum family and combines attractive blue and green hues within a single gemstone. Sapphire ranks 9 on the Mohs hardness scale, making it suitable for jewellery intended for regular wear when professionally set. As the September birthstone, sapphire has traditionally been associated with wisdom, sincerity and loyalty. Blue Green Sapphires are appreciated for their distinctive colour combination and suitability for contemporary custom jewellery. ## Gemstone Specifications - **Identification:** Natural Sapphire - **Species:** Natural Corundum - **Variety:** Blue Green Sapphire - **Shape & Cut:** Oval - **Clarity:** VVS - **Weight:** 0.83 Carat - **Colour:** Blue Green - **Measurements:** 4.50 × 6.20 × 3.50 mm - **Treatment:** Heat Treated - **Birthstone:** September ## Certification & Authenticity This gemstone includes a certificate issued by an authorised gemologist confirming its natural origin and disclosed treatment information. **Seller Notes:** A clean gemstone with natural colour bands visible. Internal characteristics such as colour bands and crystal inclusions are commonly found in natural earth-mined sapphires and are consistent with natural formation. ## Jewellery Applications This listing is for a loose gemstone only and does not include a finished jewellery setting. Suitable applications include: - Custom engagement rings - Solitaire ring designs - Halo ring settings - Pendants and necklaces - Fine bespoke jewellery - September birthstone jewellery - Gemstone collections Custom jewellery services are available in yellow gold, white gold, rose gold, silver and platinum with optional diamond accents. ## Why Choose This Gemstone? Natural Blue Green Sapphires are valued for their unique colour combination, durability and versatility in jewellery design. Each gemstone displays its own natural colour characteristics, making every sapphire distinctive. Their hardness and timeless appeal make them an excellent choice for custom jewellery intended for long-term enjoyment. ## Explore Related Collections Browse related collections and educational resources: - [Blue Green & Teal Sapphire Collection](/collections/blue-green-teal-sapphire) - [All Loose Sapphire Gemstones](/collections) - [Custom & Ready-to-Wear Sapphire Jewellery](/collections/sapphire-gemstone-jewelry-rings) - [Gemstone Education Articles](/blogs/gemstone-articles) ## Shipping & Returns Worldwide shipping is available with tracking and insurance included. Buyers are responsible for any applicable customs duties or import taxes. Returns are accepted within 15 days of delivery provided the gemstone is returned unused and in its original condition in accordance with our published return policy. ## Frequently Asked Questions ### Is this a natural Blue Green Sapphire? Yes. This gemstone is a natural earth-mined Blue Green Sapphire and is not laboratory created. ### Has this sapphire been treated? Yes. This gemstone has undergone standard heat treatment, as disclosed in the specifications and gemologist certificate. ### Is this sold as a finished ring? No. This listing is for a loose gemstone only. Custom jewellery settings are available separately. ### Can this gemstone be used for an engagement ring? Yes. Its durability, oval cut and attractive colour combination make it suitable for custom engagement ring designs. ### Will the gemstone colour vary under different lighting? Yes. Natural Blue Green Sapphires may display subtle colour variations under different lighting conditions, which is a normal characteristic of natural gemstones. ## Details - **Price:** 308.0 USD - **Vendor:** NASHGEMS - **Type:** teal sapphire - **Tags:** anniversaire, anniversary ring, anxiety ring, appricot sapphire, apricot sapphire, aquamarine, astrological gemstone, australian sapphire, baby pink sapphire, birthday, birthday ring, birthstone, birthstone garnet, birthstone jewellery, birthstone ring, blue green sapphire ring, blue sapphire, blue sapphire ring, bubblegum pink, budget gemstone, budget ring, canary yellow sapphire, Ceylon king sapphire, ceylon sapphire, champagne sapphire, champagne sapphire ring, cherry, cherry garnet, christmas gift, christmas ring, cluster ring, collier saphir, colour change sapphire, custom ring, designer ring, diamant, diamond, diamond ring, diamonddiamond ring, emerald, emerald alternative, engagement band, engagement ring, evil eye ring, garnet, garnet birthstone, garnet gemstone, garnet ring, gem, gemme, gemmologue, gemologist, gems, gemstone, gemstone collector, gemstone jewellery, gemstone ring, gift for mom, golden sapphire, golden yellow sapphire, green blue sapphire ring, green garnet, green sapphire, green sapphire ring, halo ring, handmade jewellery, handmade ring, healing crystal, healing gemstone, healing sapphire, healing yellow sapphire, january birthstone, jewellery, jewellery making, jewellery store, jewelry, king sapphire, lavender sapphire, Light peach sapphire, lilac sapphire, loose gemstone, loose sapphire, mahenge, Mahenge Spinel, make a ring, merelani garnet, mermaid sapphire ring, misty yellow sapphire, modern ring, montana sapphire, montana sapphire ring, morganite sapphire, orangish pink sapphire, Padparadscha, padparadscha sapphire, padparadscha sapphire ring, pale pink sapphire, pale yellow sapphire, parti sapphire, pastal blue sapphire, peach sapphire, peach sapphire ring, peacock sapphire ring, pendentif saphir, personalised gift, pierre astrologique, pierre de naissance, pigeon blood garnet, pink, pink sapphire, pink sapphire bracelet, pink sapphire pendant, pink sapphire ring, pink spinel, pink stone, pinkish orange sapphire, pinkish peach sapphire, pinkish purple sapphire, proposal ring, purple garnet, purple sapphire, purple stone, purple theme, purplish pink sapphire, pyrope garnet, red gemstone, red spinel, ring, ring for mom, ring for wedding, ring for wife, ring gift, round ruby, round sapphire, royal blue, royal blue sapphire, ruby, saphir de ceylan, saphir rose, saphir rose naturel, sapphire, sapphire band, sapphire collectable, sapphire collector, sapphire engagement ring, sapphire from ceylon, sapphire ring, semi precious gemstone, september birthstone, silver ring, sky blue sapphire, soho sapphire, solitaire ring, spinel, teal sapphire, teal sapphire ring, tsavorite, tsavorite ring, vente, violet, violets blue, wedding band, wedding ring, White favourite, White sapphire, White sapphire ring, White theme, yellow sapphire, yellow sapphire ring, 사파이어 ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 308.00 USD | In stock | ## Images - Teal natural green sapphire loose gemstone, 0.83 carats, heated, unset, from NASHGEMS, ideal for engagement or gift. - Teal natural green sapphire loose gemstone, 0.83 carats, heated, unset, from NASHGEMS, ideal for engagement or jewelry gift. - Teal natural green sapphire loose gemstone, 0.83 carats, heated, unset, ideal for engagement or jewelry gift, by NASHGEMS. - Natural green sapphire loose gemstone, 0.83 carats, teal color, heated, unset, ideal for engagement or jewelry making, by NASHGEMS. - Natural green sapphire loose gemstone, 0.83 carats, teal color, heated sapphire from NASHGEMS, ideal for engagement or jewelry making. - Teal natural green sapphire loose gemstone, 0.83 carats, heated, unset, from NASHGEMS, ideal for engagement or jewelry making. - Natural teal green sapphire loose gemstone, 0.83 carats, heated, uncut, ideal for engagement or jewelry gift from NASHGEMS. - Teal natural green sapphire loose gemstone, 0.83 carats, heated, uncut, from NASHGEMS, ideal for engagement or jewelry making - Teal natural green sapphire loose gemstone, 0.83 carats, heated, uncut, from NASHGEMS, ideal for engagement or jewelry making. ## Additional Information - **Carat:** 0.83 - **Stone Shape:** Oval - **Treatment:** Heat Treated --- > Source: [NASHGEMS](https://www.nashgems.com/products/natural-green-sapphire-0-83crt-unset-heated-sapphire) > Updated: 2026-07-16