Cross-Retailer Analysis
How diamond prices vary across retailers for the same shape, carat, colour and clarity. Live spread analysis from 100+ retailers worldwide.
When the same certified diamond is listed at multiple retailers, prices often vary significantly. Lab-Grown Radiant diamonds show the widest price variation, with an average spread of 196.6% across retailers. On average, 36% 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 |
|---|---|---|---|---|
| 1.73ct I VS1 Round (IGI) | £1,137 GBP | £2,843 GBP | £1,706 GBP (150%) | 3 |
| 0.70ct D VS1 Princess (GIA) | £806 GBP | £2,016 GBP | £1,209 GBP (150%) | 16 |
| 2.85ct F VVS2 Cushion (IGI) | £1,339 GBP | £3,346 GBP | £2,008 GBP (150%) | 3 |
| 0.72ct H VVS1 Oval (GIA) | £857 GBP | £2,142 GBP | £1,285 GBP (150%) | 14 |
| 3.01ct E VVS1 Emerald (IGI) | £1,148 GBP | £2,870 GBP | £1,722 GBP (150%) | 5 |
| 5.02ct F VVS2 Pear (IGI) | £962 GBP | £2,406 GBP | £1,443 GBP (150%) | 5 |
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 Radiant | 196.6% | 36.6% | 239 |
| Lab-Grown Emerald | 141.5% | 31.4% | 155 |
| Natural Marquise | 110.7% | 35.7% | 4,722 |
| Natural Radiant | 103.8% | 24.5% | 2,899 |
| Natural Pear | 100.3% | 38.9% | 14,801 |
| Natural Round | 85.6% | 49.6% | 106,693 |
| Natural Oval | 79.4% | 46.2% | 19,833 |
| Lab-Grown Pear | 76.8% | 23.9% | 882 |
| Lab-Grown Cushion | 74.2% | 35.4% | 57 |
| Natural Princess | 73.1% | 46.1% | 7,131 |
| Natural Heart | 72.2% | 30.8% | 3,082 |
| Natural Emerald | 71.8% | 60.1% | 4,774 |
| Lab-Grown Heart | 71.0% | 17.1% | 45 |
| Natural Cushion | 65.5% | 27.9% | 6,450 |
| Lab-Grown Oval | 65.1% | 32.4% | 943 |
| Lab-Grown Round | 64.4% | 52.8% | 22,254 |
| Natural Asscher | 55.7% | 59.3% | 505 |
| Lab-Grown Marquise | 51.3% | 20.9% | 125 |
| Lab-Grown Princess | 41.9% | 20.3% | 120 |
Compare prices across 100+ retailers worldwide. Find the best deal on your perfect diamond.