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Carat Hunter · Where to buy diamonds

Where to buy a 2ct lab-grown marquise diamond

Every retailer in our index stocking this size and shape, 61 of them, across 82,536 live listings.

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

The market at this size and shape

Active listings

82,536

Retailers carrying

61

Median active price

$859

Grade combinations

27

Certificate mix:IGI 78,284 · GIA 1,281 · GCAL 830 · HRD 11

What it actually costs

Lower 10% $572Median $859Upper 10% $2,950

Middle half sell between $688 to $1,790

Certificated stones with a live price only, 24,459 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

179%

Typical difference

$1,256

Stones compared

10,242

Across 10,242 stones of this size and shape carried by more than one retailer, the dearest listing sits 179% above the cheapest for the identical certificated diamond, a typical gap of $1,256. 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.

  4. 4Adiamor6,377 in stock
    United States·Founded 1999·30-day returns·Ships to United States
    Visit Adiamor
Show 15 more retailers
  1. 11RockHer2,340 in stock
    United States·Founded 2016·40-day returns·Ships to United States
    Visit RockHer

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

15 of the 25 retailers ship to United States. 10 do not.

Narrow it down by grade

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

E VS112,478 · 46rE VVS212,239 · 49rF VVS28,165 · 42rD VVS27,140 · 56rD VVS16,121 · 46rD FL5,809 · 29rD IF5,109 · 36rD VS14,655 · 47rF VS14,400 · 39rE VVS13,792 · 45rE VS22,597 · 36rG VVS22,207 · 30rF VVS11,634 · 36rD VS21,276 · 35rG VS11,142 · 35rF VS21,110 · 32rE IF955 · 32rG VVS1377 · 27rE FL291 · 24rG VS2226 · 22rF IF216 · 29rH VVS2205 · 26rH VS1182 · 19rH VS260 · 17rH VVS155 · 9rG IF40 · 18rF FL28 · 20r

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

  • Marquise: a pointed-end ellipse that faces up large for its carat.
  • 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 10,242 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 179%, about $1,256.

Can I see retailers for one exact grade?

Yes. Each of the 27 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.