18K Solid Gold Natural Diamond Octagon Eternity Ring
$1,155.00
18k solid gold octagon eternity ring with 0.31 Ct GH/VS-SI natural diamonds. BIS Hallmarked & GIA certified. Handmade & stackable.
Ring Size Guide
How to Measure the Inside Diameter
If you have a ring that already fits you well:
- Place the ring flat on a ruler.
- Measure the distance straight across the inside of the ring (from one inner edge to the opposite inner edge).
- This measurement (in millimeters) is the inside diameter of your ring.
- Match this number with the chart to find your ring size.
Need Help?
If you’re unsure about your size, our experts at The Karat Store are here to guide you.
💬 WhatsappChat: +16475473342
🌐 Mail us at: contact@thekaratstore.us
| US Size | Inside Diameter (mm) | Inside Circumference (mm) |
| 3 | 14.1 | 44.3 |
| 3.5 | 14.5 | 45.6 |
| 4 | 14.9 | 46.8 |
| 4.5 | 15.3 | 48.1 |
| 5 | 15.7 | 49.3 |
| 5.5 | 16.1 | 50.6 |
| 6 | 16.5 | 51.9 |
| 6.5 | 16.9 | 53.1 |
| 7 | 17.3 | 54.4 |
| 7.5 | 17.7 | 55.6 |
| 8 | 18.1 | 56.9 |
| 8.5 | 18.5 | 58.1 |
| 9 | 19 | 59.7 |
| 9.5 | 19.4 | 61 |
| 10 | 19.8 | 62.2 |
| 10.5 | 20.2 | 63.5 |
| 11 | 20.6 | 64.7 |
| 11.5 | 21 | 66 |
| 12 | 21.4 | 67.2 |
| 12.5 | 21.8 | 68.5 |
| 13 | 22.3 | 70.1 |
| 14 | 23.2 | 72.9 |
Bold geometry meets timeless sparkle in this 18k Solid Gold Natural Diamond Octagon Eternity Ring, a modern heirloom crafted to captivate from every angle. Featuring a continuous sequence of finely sculpted octagon-shaped links, this eternity band is set with natural GH color, VS-SI clarity diamonds totaling 0.31 carats. Each diamond is precision-set to catch light beautifully across the ring’s seamless form, offering a radiant sparkle and a unique architectural charm.
The band’s 2.4 mm width and 1.4 mm height offer a comfortable yet prominent profile, making it ideal for both standalone wear and stacking. Whether marking a wedding, anniversary, or personal milestone, this eternity ring is a refined expression of enduring love and distinctive style. Available in your choice of yellow, white, or rose gold, each ring is handmade to perfection—ensuring a lasting piece that will be treasured for years to come.
Crafted with high standards of quality and authenticity, the ring is BIS hallmarked and set with GIA-certified natural diamonds. Your order will be shipped within 15–25 business days, and our customer support is available through live chat and video calls for any questions or customization needs.18k solid gold octagon eternity ring with 0.31 Ct GH/VS-SI natural diamonds. BIS Hallmarked & GIA certified. Handmade & stackable
Features:
- Metal: 18k Solid Gold (Available in Yellow, White & Rose Gold)
- Natural Diamonds
- Diamond Color & Clarity: GH Color, VS-SI Clarity
- Total Diamond Carat Weight: 0.31 ctw
- Width of the Band: 2.4 mm
- Height of the Band: 1.4 mm
- Certifications: BIS Hallmarked & GIA
- Shipping Time: 15-25 Business Days
- Customer Support: Available via live chats, and video calls.
We offer free shipping across the USA on all orders—no minimum required.
Processing & Handling: 5–10 business days
Shipping Time: 10–15 business days
Total Delivery Time: 15–25 business days from the date of order
Carriers: USPS & UPS
Please inspect your package upon delivery for any damage or tampering before signing.
For assistance, contact us at contact@thekaratstore.us.
Thank you for shopping with The Karat Store US!
We take pride in offering high-quality jewelry and providing the necessary certifications to ensure your peace of mind. Below is a breakdown of the certification process for each product type:
Lab-Grown Solitaire Jewelry: Certified by the International Gemological Institute (IGI) for authenticity and quality.
Gemstone Jewelry: Accompanied by a detailed Gemologist Report.
- Certified by YGA (Your Gemologist Associatio.
- Optional Certification: For IGI or GIA certification, available upon request. Please note that this comes with a 30-40 day waiting period and an additional charge.
Moissanite Jewelry: Certified by the Gemological Research Association (GRA) with a comprehensive report.
For more details, Check out our certification information page.
To keep your jewelry from The Karat Store looking its best, follow these simple care tips:
- Clean Regularly: Use a mild soap and water solution, gently scrub with a soft brush, rinse, and dry with a soft cloth.
- Store Safely: Keep your jewelry in a dry place, in a jewelry box or soft pouch, and separate pieces to avoid scratches.
- Avoid Chemicals: Remove jewelry before swimming or using cleaning products to prevent exposure to harsh chemicals.
- Handle with Care: Avoid wearing jewelry during activities that may cause damage, such as exercising or heavy lifting.
- Inspect Periodically: Check for loose stones or worn settings. Contact us for repairs if needed.
By following these tips, you can ensure your 14k gold jewelry remains beautiful for years to come. For any questions, contact us at thekaratstore@gmail.com.
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