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Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct natural marquise diamond

Every retailer in our index stocking this size and shape, 59 of them, across 6,458 live listings.

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

The market at this size and shape

Active listings

6,458

Retailers carrying

59

Median active price

$4,890

Grade combinations

31

Certificate mix:GIA 5,765 · IGI 163 · HRD 31

What it actually costs

Lower 10% $2,419Median $4,890Upper 10% $8,472

Middle half sell between $3,443 to $6,699

Certificated stones with a live price only, 2,648 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

38%

Typical difference

$1,585

Stones compared

1,731

Across 1,731 stones of this size and shape carried by more than one retailer, the dearest listing sits 38% above the cheapest for the identical certificated diamond, a typical gap of $1,585. 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
  5. 15Adiamor143 in stock
    United States·Founded 1999·30-day returns·Ships to United States
    Visit Adiamor
  13. 23Ritani115 in stock
    United States·Founded 1999·30-day returns·Ships to United States
    Visit Ritani
  15. 25RockHer110 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.

13 of the 25 retailers ship to United States. 12 do not.

Narrow it down by grade

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

D VS1636 · 51rD VS2567 · 51rG VS2395 · 46rI VS2339 · 45rF VS1327 · 49rE VS1326 · 50rG VS1313 · 49rF VS2294 · 47rE VS2285 · 49rD VVS2273 · 46rD VVS1254 · 47rH VS1244 · 49rH VS2223 · 43rD IF184 · 42rI VS1178 · 38rE VVS1169 · 41rI VVS1158 · 34rF VVS2151 · 40rF VVS1150 · 44rG VVS2135 · 43rI VVS2132 · 41rH VVS1117 · 41rE VVS2104 · 42rG VVS1103 · 34rH VVS290 · 40rI IF83 · 28rF IF72 · 28rE IF53 · 33rH IF35 · 21rG IF33 · 22rD FL32 · 24r

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.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

Across 1,731 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 38%, about $1,585.

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.