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Carat Hunter · Where to buy diamonds

Where to buy a 2ct lab-grown cushion diamond

Every retailer in our index stocking this size and shape, 59 of them, across 188,890 live listings.

Updated September 14, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

188,890

Retailers carrying

59

Median active price

$790

Grade combinations

31

Certificate mix:IGI 177,377 · GIA 6,733 · GCAL 2,204 · HRD 31 · AGS 3

What it actually costs

Lower 10% $322Median $790Upper 10% $2,510

Middle half sell between $554 to $1,613

Certificated stones with a live price only, 44,866 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

257%

Typical difference

$1,335

Stones compared

24,837

Across 24,837 stones of this size and shape carried by more than one retailer, the dearest listing sits 257% above the cheapest for the identical certificated diamond, a typical gap of $1,335. That gap is what comparing before you buy avoids.

Every retailer that stocks this spec

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

  2. 2Adiamor15,300 in stock
    United States·Founded 1999·30-day returns·Ships to United States
    Visit Adiamor
  10. 10RockHer7,924 in stock
    United States·Founded 2016·40-day returns·Ships to United States
    Visit RockHer
Show 15 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified September 2, 2026.

16 of the 25 retailers ship to United States. 9 do not.

Narrow it down by grade

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

E VS135,347 · 54rE VVS229,570 · 52rD VVS223,568 · 55rD VS118,039 · 52rF VS115,708 · 49rF VVS214,007 · 50rD VVS110,872 · 46rE VS27,220 · 46rE VVS15,576 · 41rG VS15,250 · 44rD VS23,893 · 39rG VVS23,814 · 43rF VS23,436 · 44rD IF3,409 · 40rD FL3,151 · 30rF VVS11,461 · 40rG VS21,129 · 38rH VS1903 · 33rE IF587 · 37rH VVS2499 · 34rG VVS1405 · 34rH VS2289 · 31rE FL165 · 21rF IF143 · 29rI VS2134 · 25rI VS181 · 22rG IF70 · 26rH VVS168 · 14rI VVS263 · 19rH IF12 · 12rG FL11 · 11r

Stones at this spec now

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

What this spec means

  • Cushion: a softened-corner square or rectangle with a vintage feel.
  • Lab-grown: chemically identical to natural diamonds, typically 60% to 80% less than a comparable natural cohort.

Frequently asked

How much do retailers differ on the same diamond?

Across 24,837 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 257%, about $1,335.

Can I see retailers for one exact grade?

Yes. Each of the 31 color and clarity combinations above has its own page listing the retailers that stock exactly that grade.

Does Carat Hunter earn commission from these retailers?

No. We earn zero affiliate revenue from any retailer in our index.

How fresh is this data?

Live listings refresh daily. Static facts about each retailer refresh weekly.

How is the retailer ranking calculated?

Strictly by active inventory count for this exact spec. The retailer carrying the most stones at the spec ranks first. There is no editorial input, weighting or affiliate consideration.

Why do you not show per-retailer prices on this page?

Prices vary per stone, not per store. Click through to any matched diamond and you will see every retailer's price on the exact same physical stone, which is the meaningful comparison.