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 Cushion diamonds show the widest price variation, with an average spread of 121.4% across retailers. On average, 33% 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 |
|---|---|---|---|---|
| 2.49ct E VS1 Oval (IGI) | $1,409 AUD | $3,523 AUD | $2,114 AUD (150%) | 7 |
| 0.50ct D VVS1 Round (GIA) | $1,482 AUD | $3,705 AUD | $2,223 AUD (150%) | 7 |
| 3.10ct D VS2 Marquise (IGI) | $1,420 AUD | $3,551 AUD | $2,130 AUD (150%) | 3 |
| 4.09ct E VVS2 Cushion (IGI) | $1,462 AUD | $3,656 AUD | $2,194 AUD (150%) | 6 |
| 4.10ct D VVS1 Radiant (IGI) | $2,024 AUD | $5,059 AUD | $3,036 AUD (150%) | 4 |
| 11.05ct G VS1 Emerald (IGI) | $3,145 AUD | $7,863 AUD | $4,718 AUD (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 Cushion | 121.4% | 29.7% | 84 |
| Natural Marquise | 108.4% | 24.2% | 10,467 |
| Natural Pear | 90.8% | 29.5% | 24,405 |
| Lab-Grown Pear | 88.8% | 28.0% | 312 |
| Natural Radiant | 83.8% | 17.0% | 8,150 |
| Lab-Grown Emerald | 82.6% | 26.9% | 232 |
| Lab-Grown Round | 81.2% | 38.2% | 14,912 |
| Natural Oval | 80.5% | 35.0% | 29,480 |
| Natural Round | 80.3% | 42.8% | 135,928 |
| Natural Princess | 70.5% | 26.2% | 10,997 |
| Natural Emerald | 68.6% | 50.4% | 5,826 |
| Lab-Grown Radiant | 63.9% | 51.2% | 269 |
| Natural Heart | 62.3% | 20.2% | 6,551 |
| Lab-Grown Oval | 59.9% | 24.2% | 524 |
| Natural Cushion | 59.0% | 22.3% | 12,454 |
| Lab-Grown Heart | 58.0% | 47.9% | 34 |
| Natural Asscher | 56.8% | 52.5% | 494 |
| Lab-Grown Princess | 47.5% | 32.6% | 141 |
| Lab-Grown Marquise | 46.5% | 21.1% | 67 |
Compare prices across 100+ retailers worldwide. Find the best deal on your perfect diamond.