---
title: "18ct Yellow Gold GIA Certified Cut-Corner Rectangular Modified Brilliant Diamond Ring 1.03ct"
type: "product"
brand: "The Diamond Box"
model: ""
reference: ""
price: 4445
currency: "GBP"
condition: "Pre-owned"
year: ~
category: "Jewellery"
subcategory: "Rings"
availability: "In Stock"
url: "https://thediamondbox.co.uk/18ct-yellow-gold-gia-certified-cut-corner-rectangular-modified-brilliant-diamond-ring-103ct"
image: "https://thediamondbox.co.uk/uploads/original_image/589dff702cee0644490facce0dc730a9.jpg"
updated: "2026-07-21"
---

# 18ct Yellow Gold GIA Certified Cut-Corner Rectangular Modified Brilliant Diamond Ring 1.03ct

## Price

**£4,445**

## Description

Crafted in 18ct yellow gold, this striking ring showcases a 1.03ct cut-corner rectangular modified brilliant diamond, accompanied by GIA certification. Graded L colour and I2 clarity, the distinctive diamond cut delivers exceptional character with a unique faceted appearance that beautifully captures the light.Set on a substantial 6mm yellow gold band, this ring weighs 8g and is crafted in size O. Its bold profile and rare diamond cut make it a standout choice for collectors or anyone seeking a truly individual engagement or dress ring.

## Specifications

| Specification | Value |
|---------------|-------|
| Brand | The Diamond Box |
| Condition | Pre-owned |
| Material | 18ct Yellow gold |
| Ring Size | O |
| Width (mm) | 6 |
| Weight (g) | 8 |
| Diamond Type | Natural Diamond |
| Diamond Cut | Radiant |
| Diamond Colour | L |
| Diamond Clarity | I2 |
| Total Diamond Carat Weight | 1.03 |
| Certificate | GIA |

## About The Diamond Box

The Diamond Box is North London's distinguished destination for luxury watches and gold jewellery since 1997. Visit us at 114 Ballards Lane, N3 2DN, London or call 020 8838 3655.


[View this product on our website](https://thediamondbox.co.uk/18ct-yellow-gold-gia-certified-cut-corner-rectangular-modified-brilliant-diamond-ring-103ct)