Cross-Retailer Analysis

How diamond prices vary across retailers for the same specifications.

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 138.7% across retailers. On average, 35% 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.

DiamondLowest PriceHighest PriceYou SaveRetailers
0.73ct E VVS1 Round (IGI)$1,885 AUD$4,712 AUD$2,827 AUD (150%)5
2.07ct E IF Princess (IGI)$3,151 AUD$7,877 AUD$4,726 AUD (150%)3
1.01ct J VS2 Cushion (GIA)$2,425 AUD$6,062 AUD$3,637 AUD (150%)9
7.07ct F VVS2 Oval (IGI)$3,762 AUD$9,404 AUD$5,642 AUD (150%)3
2.07ct H VS1 Pear (IGI)$1,545 AUD$3,862 AUD$2,317 AUD (150%)5
2.02ct D FL Asscher (IGI)$5,145 AUD$12,862 AUD$7,717 AUD (150%)3

Price Spread by Category

Categories where retailer prices vary most. Cross-retailer % shows what share of stock is listed at multiple retailers.

Lab-grown Radiant
139%
53% cross-retailer
Natural Oval
123%
33% cross-retailer
Natural Marquise
93%
20% cross-retailer
Natural Radiant
90%
19% cross-retailer
Lab-grown Marquise
88%
23% cross-retailer
Natural Round
87%
38% cross-retailer
Lab-grown Emerald
84%
39% cross-retailer
Natural Pear
83%
29% cross-retailer
Natural Heart
81%
25% cross-retailer
Lab-grown Round
79%
68% cross-retailer
Lab-grown Pear
74%
34% cross-retailer
Lab-grown Oval
74%
41% cross-retailer
Lab-grown Heart
70%
27% cross-retailer
Natural Emerald
70%
47% cross-retailer
Natural Cushion
68%
26% cross-retailer

By Origin and Shape

Click any row to browse those diamonds in the Explorer.

CategoryAvg. Price SpreadCross-Retailer %Total Listings
Lab-Grown Radiant138.7%52.6%78
Natural Oval123.0%33.2%9,999
Natural Marquise93.2%19.8%2,457
Natural Radiant90.2%19.4%1,892
Lab-Grown Marquise88.3%22.7%154
Natural Round87.5%38.0%49,421
Lab-Grown Emerald84.0%39.4%283
Natural Pear82.8%28.9%7,982
Natural Heart81.1%24.7%2,137
Lab-Grown Round78.6%68.2%35,531
Lab-Grown Pear74.2%33.5%935
Lab-Grown Oval73.7%40.7%1,087
Lab-Grown Heart69.6%27.5%62
Natural Emerald69.5%47.2%2,414
Natural Cushion67.5%25.7%3,748
Lab-Grown Princess61.5%27.3%336
Natural Princess57.3%32.1%3,576
Lab-Grown Cushion50.5%22.9%88
Natural Asscher33.6%64.7%211
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