# 4.57 ct Octagon Teal Sapphire – A Rare Blue-Green Statement Gem ## Natural Teal Sapphire Emerald Cut 4.57 Carat – Loose Gemstone for Custom Jewellery This **natural teal sapphire** features a striking emerald (octagon) cut and weighs an impressive **4.57 carats**. Its colour shows a refined balance of blue and green tones, often compared to Montana-style teal sapphires, making it highly desirable for bespoke engagement rings and fine jewellery. Designed for buyers seeking individuality, scale, and long-term value, this loose sapphire offers strong visual presence with elegant symmetry. With excellent clarity and a well-proportioned cut, this gemstone delivers both brilliance and structure. Its size and colour make it suitable for centre-stone designs in yellow gold, white gold, rose gold, platinum, or mixed-metal settings. This listing is ideal for collectors, designers, and clients looking for a high-quality teal sapphire for a custom-made piece. ### ✨ Gemstone Details - **Identification:** Natural Sapphire - **Species:** Natural Corundum - **Variety:** Teal Sapphire - **Shape/Cut:** Octagon - **Clarity:** VVS - **Weight:** 4.57 carat - **Color:** Teal - **Measurement:** 8.40 x 8.90 x 6.40 - **Treatment:** Heat treated - **Birthstone:** September **Sellers comments –** A clean stone. This sapphire comes with a certificate from an authorized gemologist and is sold as a loose gemstone. It does not come set in a ring. ### Custom Ring & Jewellery Options This teal sapphire is suitable for engagement rings, anniversary rings, or statement pendants. We offer custom jewellery services using gold, rose gold, white gold, silver, platinum, and diamond accents. If you would like to create a custom design using this gemstone, please contact us for details. Browse related selections and educational resources: [Teal](https://www.nashgems.com/collections/blue-green-teal-sapphire) [Blue](https://www.nashgems.com/collections/blue-green-teal-sapphire?page=3) [Green](https://www.nashgems.com/collections/blue-green-teal-sapphire?page=5) [sapphire collection](https://www.nashgems.com/collections/blue-green-teal-sapphire?page=7) | [Natural Sapphire Collection](https://www.nashgems.com/collections) |  [All sapphire](https://www.nashgems.com/collections/all) | [Ready to Wear Jewelry](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) | [Nash Gems](https://www.nashgems.com) ### Why choose a teal sapphire for a custom ring? Teal sapphires are valued for their distinctive colour balance and rarity. Their mix of blue and green tones offers a refined alternative to traditional blue sapphires while maintaining durability suitable for everyday jewellery. Larger stones such as this 4.57 carat example are especially sought after for statement engagement rings and collector designs. ### Shipping & Returns Worldwide shipping is available. Buyers are responsible for any applicable customs or import duties. Returns are accepted within 15 days of delivery, provided the gemstone is returned unused and in its original condition. ## Details - **Price:** 4950.0 USD - **Vendor:** NASHGEMS - **Type:** teal sapphire - **Tags:** anniversaire, anniversary ring, anxiety ring, appricot sapphire, apricot sapphire, aquamarine, Are blue green sapphire valuable, Are teal sapphires real, astrological gemstone, australian sapphire, Australian sapphire earrings, Australian sapphire engagement rings, Australian sapphire meaning, Australian sapphire necklace, Australian sapphire price per carat, Australian sapphire ring, Australian sapphire rough, Australian sapphire stone, Australian sapphire value, Best place to buy Loose sapphire, birthday, birthstone, blue green gemstone, blue green montana sapphire, blue green parti sapphire, blue green sapphire earrings, blue green sapphire engagement ring, blue green sapphire meaning, blue green sapphire necklace, blue green sapphire price, blue green sapphire stone, collier saphir, colour change sapphire, designer ring, diamond, diamonddiamond ring, emerald alternative, engagement band, engagement ring, evil eye ring, gem, gemme, gemmologue, gemologist, gems, gemstone, gemstone collector, gemstone jewellery, gemstone ring, gift for mom, golden sapphire, golden yellow sapphire, green, green blue sapphire engagement ring, green blue sapphire gem, green blue sapphire meaning, green blue sapphire price, green blue sapphire ring, green sapphire, green sapphire earrings, green sapphire engagement ring, green sapphire meaning, green sapphire necklace, green sapphire price, Green sapphire raw, green sapphire ring, green sapphire stone, green sapphire vs emerald, green sapphire wedding band, greenish blue sapphire, greenish blue sapphire benefits, greenish blue sapphire price, greenish blue sapphire ring, halo ring, handmade jewellery, handmade ring, healing crystal, healing gemstone, healing sapphire, healing yellow sapphire, How much is a teal sapphire, Is teal sapphire valuable, january birthstone, jewellery, jewellery making, jewellery store, jewelry, king sapphire, lavender sapphire, Light blue green sapphire, lilac sapphire, loose gemstone, Loose gemstones, Loose Montana sapphire, loose sapphire, Loose sapphire for sale, Loose sapphire price, Loose sapphire stone, Loose sapphire wholesale, mahenge, make a ring, mermaid sapphire ring, misty yellow sapphire, modern ring, montana sapphire, Montana sapphire colors, Montana sapphire earrings, Montana sapphire engagement ring, Montana sapphire eternity band, 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, morganite sapphire, Natural blue green sapphire, natural green blue sapphire, Natural Loose sapphire, Padparadscha, padparadscha sapphire, padparadscha sapphire ring, pale yellow sapphire, parti sapphire, parti sapphire earrings, parti sapphire engagement ring, parti sapphire for sale, parti sapphire healing properties, parti sapphire meaning, parti sapphire necklace, parti sapphire price, parti sapphire price per carat, parti sapphire ring, parti sapphire sphere, parti sapphire stone, pastal blue sapphire, personalised gift, pierre astrologique, pierre de naissance, proposal ring, purple stone, ring, ring for mom, ring for wedding, ring for wife, sapphire, sapphire band, sapphire collectable, sapphire collector, solitaire ring, teal blue, teal color, teal sapphire, Teal sapphire benefits, teal sapphire engagement ring, Teal sapphire engagement rings, teal sapphire for custom jewelry, teal sapphire for custom rings, Teal sapphire for sale, Teal sapphire jewelry, Teal sapphire meaning, teal sapphire necklace, Teal sapphire price, Teal sapphire price per carat, teal sapphire ring, Teal sapphire ring earring, Teal sapphire rings for sale, Teal sapphire stone, Teal sapphire wedding band, violet ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 4950.00 USD | In stock | ## Images - Loose 4.57 ct teal sapphire with emerald radiant cut, vibrant blue-green color, from NASHGEMS. - Loose 4.57 ct octagon teal sapphire from NASHGEMS, radiant cut with vibrant blue-green color, a striking gemstone for jewelry. - Loose 4.57 ct teal sapphire with emerald radiant cut, showcasing vibrant blue-green color and clarity, by NASHGEMS. - Loose 4.57 ct teal sapphire with emerald radiant cut, showcasing vibrant blue-green color from NASHGEMS. - Loose 4.57 ct octagon teal sapphire by NASHGEMS, vibrant blue-green gemstone with radiant cut for jewelry making. - Loose 4.57 ct teal sapphire with emerald radiant cut, vibrant blue-green color, from NASHGEMS. - Loose 4.57 ct teal sapphire with emerald cut, vibrant blue-green color, showcasing NASHGEMS' high-quality teal sapphire gemstone. - Loose 4.57 ct octagon teal sapphire with emerald cut, vibrant blue-green gemstone from NASHGEMS. - Loose 4.57 ct octagon teal sapphire from NASHGEMS with radiant cut, showcasing vibrant blue-green color and clarity. ## Additional Information - **Google: Custom Product:** Yes - **Carat:** 4.57 - **Stone Shape:** Emerald - **Treatment:** Heat Treated --- > Source: [NASHGEMS](https://www.nashgems.com/products/loose-teal-sapphire-emerald-radiant-cut-4-57-crt) > Updated: 2026-07-16