Cross-Retailer Analysis
How diamond prices vary across retailers for the same shape, carat, colour and clarity. Spread analysis from 100+ retailers worldwide.
When the same certified diamond is listed at multiple retailers, prices often vary significantly. Lab-Grown Round diamonds show the widest price variation, with an average spread of 110.8% across retailers. On average, 42% of diamonds in each category are available from two or more retailers, giving buyers meaningful comparison opportunities.
Real Savings Examples
These are actual certified diamonds currently listed at multiple retailers with different prices.
| Diamond | Lowest Price | Highest Price | You Save | Retailers |
|---|---|---|---|---|
| 0.73ct D VVS1 Round (GIA) | £1,421 GBP | £3,552 GBP | £2,131 GBP (150%) | 14 |
| 1.01ct I VS1 Princess (GIA) | £1,317 GBP | £3,293 GBP | £1,976 GBP (150%) | 13 |
| 5.07ct F VVS2 Cushion (IGI) | £992 GBP | £2,480 GBP | £1,488 GBP (150%) | 4 |
| 0.90ct F VVS1 Oval (GIA) | £1,887 GBP | £4,719 GBP | £2,831 GBP (150%) | 12 |
| 1.02ct I VS1 Emerald (GIA) | £1,480 GBP | £3,699 GBP | £2,219 GBP (150%) | 16 |
| 1.01ct J VS2 Pear (GIA) | £1,754 GBP | £4,384 GBP | £2,630 GBP (150%) | 14 |
Price Spread by Category
Categories where retailer prices vary most. Cross-retailer % shows what share of stock is listed at multiple retailers.
By Origin and Shape
Click any row to browse those diamonds in the Explorer.
| Category | Avg. Price Spread | Cross-Retailer % | Total Listings |
|---|---|---|---|
| Lab-Grown Round | 110.8% | 46.9% | 9,195,500 |
| Lab-Grown Radiant | 108.1% | 46.2% | 2,116,216 |
| Lab-Grown Princess | 107.2% | 46.1% | 1,358,202 |
| Lab-Grown Heart | 107.1% | 54.7% | 843,666 |
| Lab-Grown Pear | 106.4% | 48.4% | 2,852,743 |
| Lab-Grown Emerald | 102.6% | 46.6% | 2,461,599 |
| Lab-Grown Oval | 101.1% | 49.5% | 4,256,805 |
| Lab-Grown Asscher | 101.0% | 47.0% | 487,740 |
| Lab-Grown Marquise | 97.1% | 47.0% | 1,881,485 |
| Lab-Grown Cushion | 91.7% | 44.1% | 1,770,329 |
| Natural Emerald | 67.4% | 37.9% | 1,173,638 |
| Natural Marquise | 64.5% | 35.2% | 543,092 |
| Natural Princess | 64.1% | 38.0% | 572,539 |
| Natural Pear | 64.1% | 38.3% | 1,330,867 |
| Natural Heart | 63.6% | 36.6% | 469,751 |
| Natural Oval | 60.0% | 37.8% | 1,601,454 |
| Natural Round | 58.9% | 39.2% | 9,151,824 |
| Natural Radiant | 57.7% | 35.2% | 434,775 |
| Natural Cushion | 57.0% | 33.9% | 729,552 |
| Natural Asscher | 54.8% | 38.9% | 233,137 |
Compare prices across 100+ retailers worldwide. Find the best deal on your perfect diamond.