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Carat Hunter · Where to buy diamonds

Where to buy a 0.75ct lab-grown marquise diamond

Every retailer in our index stocking this size and shape, 53 of them, across 36,844 current listings.

Updated October 30, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

36,844

Retailers carrying

53

Median confirmed price

CA$416

Grade combinations

27

Certificate mix:IGI 34,670 · GCAL 141 · GIA 21 · HRD 11

What it actually costs

Half of these diamonds are listed between CA$253 and CA$720 (as of October 30, 2026).

Lower 10% CA$215Median CA$416Upper 10% CA$915

Middle half listed between CA$253 to CA$720

Certificated stones with a recently confirmed price only, 3,084 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

425%

Typical difference

CA$1,213

Stones compared

2,136

Across 2,136 stones of this size and shape carried by more than one retailer, the dearest listing sits 425% above the cheapest for the identical certificated diamond, a typical gap of CA$1,213. 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.

  1. 1Rare Carat2,238 in stock
    United States·Founded 2016·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  3. 3NZ Jewellers1,782 in stock
    New Zealand·Founded 2006·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  5. 5Aurelinne1,683 in stock
    United States·Founded 2021·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Aurelinne
  8. 8

    The Perfect Carat

    1,467 in stock
    US
    Terms not yet verified
Show 15 more retailers
  1. 11Adiamor1,313 in stock
    United States·Founded 1999·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Adiamor
  4. 14B2C Jewels1,073 in stock
    United States·Founded 2004·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  6. 16Allurez927 in stock
    United States·Founded 2010·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Allurez
  12. 22Yorxs703 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs

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.

18 of the 25 retailers ship to Canada. 7 do not.

Narrow it down by grade

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

D VVS29,974 · 48rD VVS16,899 · 46rD VS16,671 · 47rE VVS22,838 · 48rE VS12,010 · 49rE VVS11,728 · 46rD VS21,215 · 43rD IF1,011 · 43rE VS2704 · 38rF VVS2650 · 44rF VS1599 · 41rD FL499 · 34rG VVS2283 · 29rF VS2242 · 31rG VS1225 · 30rE IF217 · 37rF VVS1214 · 42rH VS1199 · 26rG VS2167 · 25rH VS2151 · 19rH VVS2134 · 22rE FL56 · 28rI VS153 · 17rI VS245 · 17rF IF19 · 17rI VVS217 · 13rG VVS117 · 13r

Stones at this spec now

Current 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 at least 90% less than a comparable natural cohort from 1 carat up.

Frequently asked

How much do retailers differ on the same diamond?

Across 2,136 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 425%, about CA$1,213.

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?

Listings refresh as we re-read each retailer, most of them every day. 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 0.75ct Lab Grown Marquise Diamonds | Carat Hunter