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The 3 Carat Square radiant cut engagement ring centers a lab grown diamond with a square outline and radiant faceting. Set in white gold, the center stone is secured by four rounded prongs within a basket setting that keeps the diamond visible.
Choose your preferred center stone size at checkout: 3 carat, 3.5 carat, or 4 carat, Each ring includes an IGI certificate for verified diamond details and is made by Antiquecut for buyers who want a refined, secure setting with customization options.
💎 Ring Details (based on the image shown):
| Center Stone | Square Radiant - 3 CT |
| Metal Options | 10k / 14k / 18k Gold / Platinum |
| Certification | IGI certified |
🔄 30-day return and refund policy for peace of mind
✅ Fully insured and tracked shipping via UPS & USPS
⏱️ Handcrafted with care, 9-10 days production time
🌍 Worldwide delivery in 8-10 business days after production
Please read the Shipping Policy for more information.
Yes. All of our jewelry is crafted from solid gold, or platinum. We never use plated metals. Every piece is stamped with its metal purity to certify its authenticity.
Yes. We offer flexible payment options at checkout for eligible customers.
Depending on your eligibility, you may be able to choose:
Simply select the financing option during checkout to see the plans you're eligible for. Approval, available payment plans, and terms are determined by the payment provider.
This engagement ring features a lab grown diamond with a square radiant cut. The square outline and radiant faceting give the center stone a distinctive look while keeping it as the main focus of the solitaire design.
The center diamond is secured with four rounded prongs in a basket setting. The setting provides support while keeping the square radiant center stone visible from the top.
Yes. Each ring includes an IGI certificate with verified details for the lab grown diamond. Custom ring sizing and metal preferences can also be selected when ordering.
Each piece is made to order by our skilled craftsmen. Production typically takes 8 to 10 business days, followed by 9 to 10 business days for secure international shipping with full tracking. In most cases, you can expect your order to be delivered within 18 to 20 days from the date of purchase.
Yes. Lab-grown diamonds are 100% real diamonds with the same physical, chemical and optical properties as mined diamonds. Every center stone we sell comes with an independent certificate.
Absolutely. We offer flexible payment options, allowing eligible customers to spread the cost of their purchase over time.
At checkout, you may be able to choose:
- Interest-free payments in 2 or 4 instalments
- Monthly financing from 3 to 12 months
- Additional extended financing options, where available
Your available plans will be displayed during checkout. Our payment partner determines eligibility, approval, and financing terms.