Cushion Cut Solitaire Ring - Old Mine Cut Diamond

Lab-grown diamond engagement rings feature center stones that are created in highly controlled laboratory environments rather than mined from the earth. Lab-created diamonds are chemically, physically, and visually identical to natural diamonds, offering the exact same brilliance and durability. Because they avoid the environmental and human toll of traditional mining, they are a 100% conflict-free and sustainable choice for your symbol of love.

Lab-grown diamonds are incredibly durable, scoring a perfect 10 on the Mohs scale of hardness—exactly the same as mined diamonds. This makes an engagement ring with a lab-created diamond perfectly suited for everyday wear. With proper care, your ring will maintain its exceptional fire and brilliance for a lifetime.

Absolutely, lab-grown diamonds are an excellent choice for custom engagement rings. At Diamondrensu, our artisans handcraft bespoke rings from scratch, allowing you to select the perfect lab-created diamond shape, carat, and setting to bring your unique vision to life.

Choosing the best lab-grown diamond engagement ring starts with understanding the 4 Cs: cut, color, clarity, and carat weight. Prioritize the cut, as it determines the stone's sparkle. Next, consider the wearer's style to select the ideal stone shape and metal setting. Finally, ensure you purchase from a reputable jeweler like Diamondrensu, where every stone over 1 carat comes with an IGI certification for guaranteed quality.

Our bracelets are crafted from solid metals, including 14K and 18K gold, as well as 950 platinum. These materials are chosen for their exceptional durability and lasting shine. Unlike plated alternatives, solid metals provide a secure, enduring foundation for your lab-created diamonds, so your piece remains beautiful for generations.

Absolutely. We specialize in crafting bespoke engagement rings from scratch. Simply share your dream design with us, and our artisans will work closely with you to bring your unique vision to life.

Yes, we offer engraving services to add a personal touch to your ring. Please specify your desired engraving in the notes section during checkout. If you forget, just email us the details before your order ships.

Yes, we stand behind the quality of our craftsmanship. We offer a comprehensive 6-month warranty along with lifetime servicing for all our rings.

Yes, we want you to be completely satisfied with your purchase. We will send you high-quality photos and videos of your finished ring for your final approval before it leaves our workshop.

Yes, we offer professional ring resizing services to ensure a perfect fit. Please reach out to our team for detailed instructions and assistance with the resizing process.

We offer a convenient 30-day return and exchange policy. If you need to return your ring, please contact us for step-by-step instructions. Remember to include all original packaging and documentation with your return.

If your ring isn't exactly what you envisioned, we provide a 30-day exchange policy. Simply email our support team, and we will guide you through the exchange to find your perfect piece.

Once we receive and inspect your returned item, your refund will be processed promptly within 2 business days.

We accept all major credit and debit cards (VISA, Mastercard, JCB, Amex, Maestro), as well as PayPal, Google Pay, Apple Pay, and Shop Pay. For your convenience, we also offer flexible financing through Klarna, Afterpay, and Shop Pay Installments.

Yes, we offer several convenient layaway and financing options. Shop Pay Installments allows you to split your purchase into 4 interest-free payments. Klarna and Afterpay provide longer-term financing (interest may apply). Orders using these services ship immediately upon confirmation. Alternatively, Diamondrensu offers an in-house split-payment plan: pay a 30% deposit, and divide the balance into 3–4 payments. Please note that orders using our in-house plan will ship only after the full balance is paid.