18K Solid Gold Three Stone Elongated Radiant Lab Grown Diamond Engagement Ring
$3,470.00
A breathtaking 18k gold three-stone engagement ring, featuring a 2ct oval lab-grown diamond (F color, VS2 clarity, Super Cut) with 1ct elongated radiant side diamonds. IGI & BIS Hallmarked, available in White, Rose, and Yellow Gold.
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 |
A masterpiece of brilliance and elegance, our 18k Solid Gold Three Stone Elongated Radiant Lab Grown Diamond Engagement Ring is designed for those who desire a bold yet refined statement. This ring features a breathtaking 2-carat oval-cut lab-grown diamond, boasting Super Cut grading, F color, and VS2 clarity, ensuring unparalleled sparkle and fire.
Flanking the center stone are two elongated radiant-cut lab-grown diamonds (totaling 1ct), adding depth and dimension while maximizing brilliance. The prong setting secures each stone while allowing optimal light reflection, enhancing the ring’s radiance.
Crafted in solid 18k gold, this engagement ring is available in White Gold, Rose Gold, and Yellow Gold, providing versatility to match your style. The 1.7mm band width and 1.6mm height ensure a delicate yet durable design for everyday elegance.
Certified by IGI & BIS Hallmarked, this three-stone engagement ring guarantees authenticity, expert craftsmanship, and ethically sourced diamonds. Whether chosen for an engagement, an anniversary, or as a timeless luxury piece, this three-stone elongated radiant diamond ring is a symbol of everlasting beauty and sophistication.
Product Details:
- Metal: 18k Solid Gold (Available in White, Rose, or Yellow Gold)
- Center Diamond: Oval Lab-Grown Diamond
- Center Diamond Carat Weight: 2ct
- Center Diamond Color & Clarity: F Color, VS2 Clarity
- Center Diamond Cut Grading: Super Cut
- Center Diamond Brilliance/Luster: Excellent
- Side Gemstones: Elongated Radiant Lab-Grown Diamonds
- Side Diamond Carat Weight: 1ct (2 stones)
- Ring Minimum Diamond Color: F
- Ring Minimum Diamond Clarity: VS2
- Setting Type: Prong
- Band Width: 1.7mm | Band Height: 1.6mm
- Rhodium Plating: No
- Certifications: IGI & BIS Hallmarked
- Shipping Time: 15-25 Business Days
- Customer Support: Available via live chat 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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