0.30 TCW Marquise and Round Lab-Grown Diamond Curved Ring Enhancer

Curved Marquise and Round Diamond Ring Enhancer

Add a graceful frame to an engagement ring with this open-gap curved enhancer. Alternating marquise and round lab-grown diamonds create a botanical wrap effect, while the open center is designed to accommodate a raised engagement-ring setting.

Verified Diamond Details

• Total diamond weight: Approximately 0.30 TCW
• Shapes: Marquise and round lab-grown diamonds
• Quality: E color, VS1 clarity
• Sizes: Approximately 3.00 × 1.50 mm, 0.80 mm and 2.00 mm

Enhancer Design

• Open-gap curved wrap or guard silhouette
• Alternating marquise and round diamond pattern
• Approximate width: 5.35 mm; thickness: 1.60 mm
• High-polish, comfortable-fit finish
• Available in 925 silver and 10K, 14K or 18K yellow, white or rose gold

Compatibility depends on the dimensions and setting height of the engagement ring. Contact Diamond Vishwa with photos and measurements before ordering if you need the enhancer customized for an existing ring.

Ring Size and Personalization

Please select your available ring size when ordering. If you use UK sizing or need a size not shown, contact Diamond Vishwa before ordering so we can confirm the equivalent size. Complimentary engraving is available; provide the exact wording when ordering.

This design was originally created as a custom order. Diamond availability may cause minor differences in measurements or carat weight while preserving the selected design and quality.

Quick Customization Process

1. Share your ideas or reference images and request a complimentary quote.
2. After approved part or full payment, we create a 3D CAD design for your review.
3. After CAD approval, we share images or video of the selected diamonds.
4. Our artisans begin production and provide progress updates.
5. Final images and video are shared before shipping.

Mining-Free Diamond Choice

Lab-grown diamonds offer a mining-free alternative with the enduring beauty expected from fine diamond jewelry. Thoughtful choices can help support a cleaner future for the next generation.

Warranty and Shipping

• 30-day warranty for eligible manufacturing issues
• Free express worldwide shipping
• Complimentary signature delivery available upon request
• Estimated delivery: 20–23 days
• USA and Canada buyers do not pay customs duties or import taxes on the original order

If an item is returned, applicable customs charges and return-shipping costs are the buyer’s responsibility and are non-refundable.

Jewelry Care

• Clean gently with mild soap, lukewarm water and a soft brush or microfiber jewelry cloth.
• Store separately in a soft pouch or jewelry box.
• Avoid harsh chemicals, chlorine, extreme temperatures and abrasive cleaners.
• Remove the jewelry before exercise, gardening, housekeeping or other impact-prone activities.
• Have prongs and settings checked periodically by a qualified jeweler.

Questions and custom requests are welcome. Contact Diamond Vishwa through our website and we will be happy to help.