Lab Diamonds

Gemone Diamonds, located in Surat, India, proudly offers premium IGI-certified round-cut lab-grown diamonds crafted with precision in advanced, eco-friendly facilities. These diamonds mirror the brilliance, beauty, and durability of natural stones—while promoting ethical and sustainable luxury.

Our round-cut diamonds are graded and certified by the International Gemological Institute (IGI), ensuring exceptional quality and complete transparency. Ideal for wholesalers, retailers, jewelry designers, and individuals seeking superior brilliance with a reduced environmental impact.

Key Specifications of Our IGI Certified Round-Cut Lab-Grown Diamonds

• Diamond Type: IGI-Certified Lab-Grown Diamonds

• Shape: Round Brilliant Cut

• Cut Grade: Excellent–Very Good (for maximum fire and sparkle)

• Clarity Options:

  • FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2

• Color Range:

  • D, E, F, G, H, I, J

• Carat Weight:

  • 0.30 ct to 10.00+ ct

• Certification:

  • IGI certification confirming origin, quality, and grading

• Ideal Use Cases:

  • Engagement rings

  • Wedding rings

  • Solitaire pendants

  • Stud earrings

  • Designer and custom jewelry

• Sustainability Benefits:

  • Conflict-free

  • Eco-friendly production

  • Ethically sourced

• Customization:

  • Tailor-made round-cut diamonds available to match any design or specification

Gemone Diamonds, headquartered in Surat, India, proudly presents an exceptional collection of round-cut lab-grown diamonds, each certified by the Gemological Institute of America (GIA). Known as the most iconic and brilliant diamond shape, the round cut offers unmatched sparkle, making it a top choice for fine jewelry and custom creations.

Produced in state-of-the-art laboratories, our round-cut lab-grown diamonds mirror the physical, optical, and chemical qualities of natural diamonds—while supporting eco-friendly and ethical manufacturing practices.

Diamond Specifications

Type

• GIA-Certified Lab-Grown Diamonds

Shape

• Round Brilliant Cut (maximum brilliance & fire)

Cut Grade

• Excellent to Very Good

Clarity Options

• FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2

Color Grades

• D, E, F, G, H

Carat Range

• 0.30 ct to 10.00+ ct

Certification

• GIA report confirming authenticity, quality, and grading

Experience precision and brilliance with Round-Cut Calibrated Lab-Grown Diamonds from Gemone Diamonds, Surat. Engineered with exact millimeter measurements, these diamonds are crafted to deliver perfect uniformity—making them the top choice for designers and manufacturers who require flawless consistency across multi-stone jewelry designs.

Produced using advanced laboratory technology, our calibrated round diamonds provide exceptional sparkle, durability, and symmetry while supporting eco-friendly and ethical diamond growth practices.

Product Highlights

Diamond Type

• Precision-Calibrated Lab-Grown Diamonds

Shape

• Round Cut (ideal for classic and modern jewelry styles)

Size Accuracy

• Perfectly calibrated in millimeters

• Available from 0.80 mm to 10.00+ mm

Cut Quality

• Excellent to Very Good for uniform brilliance and light performance

Clarity Grades

• VVS1, VVS2, VS1, VS2, SI1, SI2

Color Range

• D, E, F, G, H, I, J

Certification

• Not applicable (calibration-focused collection)

Precision Crafted to Your Exact Requirements

Gemone Diamonds – Surat, India offers expertly engineered Custom Size Lab-Grown Diamonds, designed to match your precise specifications in size, shape, and quality. Using state-of-the-art technology, we produce diamonds that reflect the same brilliance, strength, and visual appeal as mined diamonds — with the added benefit of sustainability.

Whether for oversized statement pieces or perfectly calibrated stones for intricate designs, our custom sizing service gives you complete creative control.

What Makes Our Custom Size Diamonds Exceptional?

✔ Fully tailored dimensions and proportions
✔ Advanced lab-grown technology for superior consistency
✔ Ethical, conflict-free production
✔ Flexible certification options

Diamond Customization Details

Diamond Type:
Custom Size Lab-Grown Diamonds

Shape Options:
Round Brilliant, Cushion, Oval, Emerald, Pear & All Fancy Shapes

Quality Range:

• Cut: Excellent – Very Good

• Clarity: FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2

• Color: D – J

Size Availability:
Made-to-order from 0.30 CT to 10.00+ CT

Certification:
Available as Non-Certified or IGI Certified (on request)

Ideal Usage

• Bespoke engagement rings
• Wedding bands
• Designer pendants
• Earrings & luxury jewellery lines

Refined Elegance with Timeless Charm

Gemone Diamonds | Surat, India

Discover the soft brilliance and classic appeal of Cushion Cut Lab-Grown Diamonds from Gemone Diamonds. Known for their rounded corners and pillow-like appearance, cushion cut diamonds perfectly balance vintage romance with modern sophistication. Each stone is meticulously created using advanced lab technology to ensure superior sparkle, durability, and ethical excellence.

Product Overview

Our Cushion Cut Lab-Grown Diamonds are designed for those who appreciate subtle luxury and graceful symmetry. These diamonds deliver exceptional light performance while offering a sustainable alternative to mined stones.

Key Specifications

Stone Type:
Lab-Grown Diamonds – Cushion Cut

Available Grades:

• Color: D – J

• Clarity: FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2

• Cut Quality: Excellent to Very Good

Carat Options:
0.30 CT to 10.00+ CT

Certification:
IGI Certified for authenticity and quality assurance

Gemone Diamonds – Surat, India presents an exclusive collection of Marquise Cut Fancy Colored Lab-Grown Diamonds, crafted for those who seek elegance with a bold, elongated silhouette. The marquise cut enhances color intensity and brilliance, creating a striking visual impact that maximizes perceived size and sparkle.

Produced using advanced lab-grown diamond technology, our diamonds deliver exceptional beauty while supporting sustainable and ethical luxury standards.

Why Choose Marquise Cut Fancy Colored Diamonds?

The unique marquise shape offers:

• A graceful, elongated appearance

• Enhanced brilliance and fire

• A larger face-up look per carat

• Ideal symmetry for statement jewellery