Where to buy a 1.5ct natural cushion diamond

Half of these diamonds are listed between €3,165 and €6,430 (as of November 1, 2026).

Certificated stones with a recently confirmed price only, 9,417 of them. Each contributes its cheapest confirmed price.

Across 6,860 stones of this size and shape carried by more than one retailer, the dearest listing sits 74% above the cheapest for the identical certificated diamond, a typical gap of €3,092. That gap is what comparing before you buy avoids.

Ranked by active inventory count. Selection is mechanical, not editorial.

1. 1MOH London1,875 in stock

   United Kingdom

   Terms not yet verified

   Visit MOH London
2. 277 Diamonds1,840 in stock

   United Kingdom·Founded 2005·30-day returns·Ships to European Union

   Terms not yet verified

   Visit 77 Diamonds
3. 3Yorxs1,810 in stock

   Germany·Founded 2011·100-day returns·Ships to European Union

   Terms not yet verified

   Visit Yorxs
4. 4Rare Carat1,702 in stock

   United States·Founded 2016·30-day returns·Ships to European Union

   Terms read on the retailer’s own site, October 19, 2026

   Visit Rare Carat
5. 5Jogia Diamonds1,596 in stock

   Australia·Founded 1996·30-day returns·Ships to European Union

   Terms not yet verified

   Visit Jogia Diamonds
6. 6Moon Ocean1,415 in stock

   United Kingdom·Founded 2022·30-day returns·Ships to European Union

   Terms not yet verified

   Visit Moon Ocean
7. 7Blue Nile1,376 in stock

   United States·Founded 1999·30-day returns·Ships to European Union

   Terms not yet verified

   Visit Blue Nile
8. 8William & Sons Jewelers1,369 in stock

   United States·Final sale: no returns

   Terms read on the retailer’s own site, October 19, 2026

   Visit William & Sons Jewelers
9. 9Torres Jewel Co1,353 in stock

   Australia

   Terms not yet verified

   Visit Torres Jewel Co
10. 10Flawless Fine Jewelry1,310 in stock

    United Kingdom·Founded 2014·30-day returns·Ships to European Union

    Terms read on the retailer’s own site, June 15, 2026

    Visit Flawless Fine Jewelry

Stock counts are updated daily. Founded and shipping details come from public sources. Return terms are our summary of each retailer's own policy page, dated per retailer above. Retailers change their terms, so check the retailer's own returns and shipping pages before you buy.

16 of the 25 retailers ship to European Union. 9 do not.

Each combination below has its own page with the retailers that stock exactly that grade.

Current examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

• 1.5ct I VS2from $3,059 across 20 retailersAs of October 31, 2026
• 1.51ct I VS2from $2,458 across 8 retailersAs of October 31, 2026
• 1.51ct H VS2from $3,328 across 10 retailersAs of October 31, 2026
• 1.51ct H VS2from $3,344 across 18 retailersAs of October 28, 2026
• 1.53ct I VS1from $3,456 across 7 retailersAs of October 31, 2026
• 1.51ct I VS1from $2,984 across 12 retailersAs of October 31, 2026

• Cushion: a softened-corner square or rectangle with a vintage feel.
• Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.