Round Cut 3 ct Moissanite Diamond Prong Setting Engagement Ring
£887.00
This 3 ct round cut moissanite ring features a classic prong setting, radiating unmatched brilliance—perfect for a timeless and unforgettable engagement.
Ring Size Guide
| US Size | Length (mm) | US Size | Length (mm) | US Size | Length (mm) |
| 3 | 44.1 | 6.25 | 52.6 | 9.50 | 60.9 |
| 3.25 | 44.7 | 6.5 | 53.2 | 9.75 | 61.6 |
| 3.5 | 45.4 | 6.75 | 53.8 | 10 | 62.3 |
| 3.75 | 46 | 7 | 54.5 | 10.25 | 63 |
| 4 | 46.7 | 7.25 | 55 | 10.5 | 63.6 |
| 4.25 | 47.3 | 7.5 | 55.7 | 10.75 | 64.3 |
| 4.5 | 48 | 7.75 | 56.4 | 11 | 65 |
| 4.75 | 48.6 | 8 | 57.1 | 11.25 | 65.6 |
| 5 | 49.32 | 8.25 | 57.8 | 11.5 | 66.2 |
| 5.25 | 49.95 | 8.5 | 58.4 | 11.75 | 66.8 |
| 5.5 | 50.6 | 8.75 | 59 | 12 | 67.5 |
| 5.75 | 51.2 | 9 | 59.6 | 12.5 | 68.8 |
| 6 | 51.9 | 9.25 | 603 | 13 | 70.1 |
A true symbol of love and brilliance, the Round Cut 3ct Moissanite Diamond Prong Setting Engagement Ring is a stunning choice for those who appreciate timeless elegance. Featuring a brilliant 3.00ct round-cut Moissanite diamond, this ring is designed to capture light from every angle, creating an unparalleled sparkle.
Crafted in 18k solid gold , this exquisite piece comes in Rose Gold, Yellow Gold, and White Gold to complement any style. The classic prong setting securely holds the Moissanite, enhancing its brilliance and giving it a luxurious solitaire appeal.
With E-F color and VVS-VS clarity, this Moissanite diamond offers exceptional radiance, closely resembling the finest natural diamonds. The delicate 1.50mm band width and thickness provide a sleek and elegant fit, ensuring comfort for everyday wear.
This ring is BIS Hallmarked & GRA Certified, guaranteeing its authenticity and superior craftsmanship. Whether for an engagement, anniversary, or a special gift, this ring is a breathtaking statement of love.
Product Details:
- Diamond Type: Moissanite Diamond (E-F Color, VVS-VS Clarity)
- Diamond Cut: Round Cut
- Center Stone Weight: 3.00 Carats
- Metal: 18k Solid Gold (Available in White ,Rose Gold and Yellow Gold)
- Gold Weight: 3-4 grams
- Band Width & Thickness: 1.50 mm each
- Setting: Prong Setting
- Certifications: BIS Hallmarked & GRA Certified
- Shipping: 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.uk.
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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