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Carat Hunter · Where to buy diamonds

1.25ct · D · FL · Marquise · Lab-grown

Every retailer carrying this exact spec, from our latest listings.

Updated November 2, 2026 · Independent. Zero affiliate revenue.

Market at this spec

Active listings

3,660

Retailers carrying

39

Price range

CA$387 to
CA$5,967

Median confirmed price

CA$1,200

Certificate mix:IGI 3,605 · GCAL 12

Range and median take each diamond at this spec at its cheapest recently confirmed price. They are cohort statistics, not per-retailer pricing claims.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  1. 1Rare Carat318 in stock
    United States·Founded 2016·GCAL, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  3. 3B2C Jewels212 in stock
    United States·Founded 2004·IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  6. 6Adiamor205 in stock
    United States·Founded 1999·IGI·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Adiamor
  7. 7Yorxs199 in stock
    Germany·Founded 2011·IGI·100-day returns
    Terms not yet verified
    Visit Yorxs
Show 15 more retailers
  3. 13Cape Diamonds126 in stock
    South Africa·Founded 2005·IGI·7-day returns·Ships to Canada
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  4. 14

    GemTrove

    96 in stock
    AU·IGI
    Terms not yet verified
  7. 17NZ Jewellers90 in stock
    New Zealand·Founded 2006·IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  8. 18

    The Perfect Carat

    89 in stock
    US·IGI
    Terms not yet verified
  9. 19Blue Nile80 in stock
    United States·Founded 1999·GCAL, IGI·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Blue Nile
  11. 21RockHer70 in stock
    United States·Founded 2016·IGI·40-day returns·Ships to Canada
    Terms not yet verified
    Visit RockHer
  12. 22Aurelinne65 in stock
    United States·Founded 2021·IGI·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Aurelinne

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.

Explore all 3,660 stones in this cohort

Stones at this spec now

Current examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

See every 1.25ct lab grown marquise diamond, all grades

How pricing is spread at this spec

For the 559 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    CA$387
  • 10th percentile
    CA$728
  • Median
    CA$1,200
  • 75th percentile
    CA$1,757
  • 90th percentile
    CA$3,394
  • Highest confirmed
    CA$5,967

The 15.4x spread from the lowest to the highest confirmed price is normal for cohorts at this spec. Differences reflect cert lab, cut quality, brand premium and inclusions visibility.

Cohort distribution only. No retailer named adjacent to a dollar figure in this section.

How to pick

Lowest price floor for the spec?

The cheapest confirmed prices start around CA$728. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

3,167 of 3,660 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

Want None or Faint fluorescence?

3,656 of 3,660 are graded None or Faint at this spec.

Shopping from Canada?

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

What this spec means

  • Marquise: a pointed-end ellipse that faces up large for its carat.
  • D color: absolutely colorless, the top grade.
  • FL clarity: flawless, with no internal or external imperfections under 10x magnification.
  • Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.

Compare the top retailers carrying this spec

Side-by-side facts for the two stores carrying the most 1.25ct D FL marquise lab grown diamonds.

Compare Rare Carat vs Loose Grown Diamond

Related specs

Slightly smaller carat

marquise-1ct-d-fl-lab

Slightly larger carat

marquise-1-5ct-d-fl-lab

One colour grade lower

marquise-1-25ct-e-fl-lab

One clarity grade lower

marquise-1-25ct-d-if-lab

Same spec, natural

marquise-1-25ct-d-fl-natural

Frequently asked

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.

Why is one retailer cheaper for the same certificate?

Markup and overhead vary by retailer. The same physical diamond can list at very different prices across stores. See our cross-retailer analysis for the structural reasons.

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 1.25ct D FL Marquise Lab Grown Diamonds | Carat Hunter