18K Solid Gold Three Stone Marquise Lab Grown Diamond Engagement Ring
¥15,428.00
A stunning 2ct oval lab-grown diamond centerpiece with 0.74ct of marquise and princess side diamonds, set in a 18k solid gold band.
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 |
Experience the perfect blend of classic elegance and modern design with this 18k Solid Gold Three Stone Marquise Lab Grown Diamond Engagement Ring. At the center of this beautiful ring sits a stunning 2ct oval-shaped lab-grown diamond, offering superior F color and VS2 clarity. The diamond’s Super Cut grading maximizes its brilliance and luster, making it a true showstopper.
The ring is enhanced with two 0.74ct marquise-shaped side diamonds, which add an exquisite, elegant flair to the piece. Each side diamond is set in a beautiful princess and marquise cut, creating a harmonious contrast that brings extra depth and sparkle to the design. With a total of 6 lab-grown diamonds, this ring exudes an air of sophistication and timeless beauty.
Crafted from 18k solid gold, this engagement ring is available in White, Rose, or Yellow Gold, giving you the option to choose the perfect finish for your style. With an impeccable IGI & BIS Hallmarked certification, you can rest assured of its superior quality and authenticity. The comfort fit band (with a 2.1mm width and 1.5mm height) ensures comfort and durability for everyday wear.
This engagement ring makes a stunning choice for those who value timeless elegance combined with the brilliance of lab-grown diamonds, all set in a beautifully crafted gold band.
Product Details:
- Center Diamond Type: Lab-Grown Diamond
- Center Diamond Shape: Oval
- Center Diamond Carat Weight: 2 ct
- Center Diamond Color: F
- Center Diamond Clarity: VS2
- Center Diamond Cut Grading: Super Cut
- Center Diamond Brilliance/Luster: Excellent
- Side Gemstone Type: Lab-Grown Diamonds
- Side Gemstone Shape: Princess, Marquise
- Side Diamond Carat Weight: 0.74 ct (Total)
- Minimum Number of Diamonds: 6
- Metal: 18k Solid Gold (Available in White, Rose, or Yellow Gold)
- Material: Lab-Grown Diamond
- Rhodium Plate: No
- Certifications: IGI & BIS Hallmarked
- Band Width: 2.1 mm
- Band Height: 1.5 mm
- Band Fit: Comfort
- Shipping Time: 10-12 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.cn.
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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