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Carat Hunter · Where to buy diamonds

Where to buy a 1ct lab-grown cushion diamond

Every retailer in our index stocking this size and shape, 57 of them, across 88,648 live listings.

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

The market at this size and shape

Active listings

88,648

Retailers carrying

57

Median active price

₹35,766

Grade combinations

29

Certificate mix:IGI 84,656 · GIA 1,277 · GCAL 553 · HRD 12

What it actually costs

Lower 10% ₹17,679Median ₹35,766Upper 10% ₹111,308

Middle half sell between ₹28,381 to ₹59,629

Certificated stones with a live price only, 21,845 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

156%

Typical difference

₹50,704

Stones compared

13,088

Across 13,088 stones of this size and shape carried by more than one retailer, the dearest listing sits 156% above the cheapest for the identical certificated diamond, a typical gap of ₹50,704. 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.

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.

Narrow it down by grade

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

D VVS221,922 · 52rD VS114,267 · 45rE VS110,869 · 44rD VVS110,381 · 45rE VVS28,682 · 44rD VS23,637 · 40rE VVS13,295 · 43rE VS23,118 · 39rF VS12,793 · 41rF VVS22,011 · 42rD IF1,463 · 40rF VS21,061 · 36rD FL990 · 24rG VS1977 · 41rG VVS2706 · 39rE IF561 · 35rF VVS1471 · 39rG VS2350 · 26rH VS1301 · 28rE FL218 · 18rH VVS2125 · 20rH VS2124 · 19rF IF72 · 27rG VVS172 · 20rI VS148 · 15rI VS237 · 6rH VVS128 · 11rI VVS227 · 11rF FL15 · 13r

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 13,088 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 156%, about ₹50,704.

Can I see retailers for one exact grade?

Yes. Each of the 29 colour 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.

Where to Buy 1ct Lab Grown Cushion Diamonds | Carat Hunter