CaratHunter
Plans

Carat Hunter · Where to buy diamonds

Where to buy a 1ct lab-grown marquise diamond

Every retailer in our index stocking this size and shape, 61 of them, across 178,155 current listings.

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

The market at this size and shape

Active listings

178,155

Retailers carrying

61

Median confirmed price

CA$416

Grade combinations

30

Certificate mix:IGI 171,573 · GCAL 838 · GIA 637 · HRD 22

What it actually costs

Half of these diamonds are listed between CA$288 and CA$672 (as of October 30, 2026).

Lower 10% CA$263Median CA$416Upper 10% CA$1,108

Middle half listed between CA$288 to CA$672

Certificated stones with a recently confirmed price only, 15,763 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

323%

Typical difference

CA$1,183

Stones compared

12,173

Across 12,173 stones of this size and shape carried by more than one retailer, the dearest listing sits 323% above the cheapest for the identical certificated diamond, a typical gap of CA$1,183. 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. 2Rare Carat9,922 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
  4. 4NZ Jewellers8,197 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
  8. 8Aurelinne7,449 in stock
    United States·Founded 2021·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Aurelinne
Show 15 more retailers
  1. 11Adiamor7,115 in stock
    United States·Founded 1999·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Adiamor
  2. 12B2C Jewels6,798 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
  4. 14

    The Perfect Carat

    6,462 in stock
    US
    Terms not yet verified
  8. 18Cape Diamonds5,115 in stock
    South Africa·Founded 2005·7-day returns·Ships to Canada
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  9. 19Yorxs4,696 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.

17 of the 25 retailers ship to Canada. 8 do not.

Narrow it down by grade

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

D VVS230,176 · 54rE VVS224,514 · 54rD VVS119,259 · 55rE VS117,248 · 54rD VS115,681 · 53rD IF13,197 · 51rD FL12,886 · 39rE VVS111,053 · 54rF VVS27,215 · 52rE VS25,293 · 45rF VS14,999 · 52rD VS23,556 · 46rE IF2,592 · 49rG VS12,117 · 41rG VVS22,003 · 42rF VVS11,972 · 46rF VS21,282 · 41rH VS1723 · 34rG VS2696 · 32rE FL429 · 36rH VVS2376 · 31rH VS2203 · 27rG VVS1190 · 38rF IF167 · 39rI VS1160 · 19rI VS268 · 18rH VVS133 · 18rI VVS225 · 17rF FL21 · 17rI VVS117 · 17r

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 12,173 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 323%, about CA$1,183.

Can I see retailers for one exact grade?

Yes. Each of the 30 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 1ct Lab Grown Marquise Diamonds | Carat Hunter