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Carat Hunter · Where to buy diamonds

1.5ct · F · VS1 · Marquise · Lab-grown

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

Updated October 29, 2026 · Independent. Zero affiliate revenue.

Market at this spec

Active listings

6,258

Retailers carrying

49

Price range

CA$275 to
CA$3,622

Median confirmed price

CA$948

Certificate mix:IGI 6,050 · GCAL 14 · GIA 5

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 Carat840 in stock
    United States·Founded 2016·IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  8. 8GemsNY248 in stock
    United States·Founded 1988·IGI·30-day returns·Ships to Canada
    Terms not yet verified
    Visit GemsNY
Show 15 more retailers
  3. 13NZ Jewellers143 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
  4. 14B2C Jewels141 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
  8. 18

    The Perfect Carat

    114 in stock
    US·IGI
    Terms not yet verified
  11. 21Aurelinne98 in stock
    United States·Founded 2021·IGI·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Aurelinne
  13. 23Adiamor94 in stock
    United States·Founded 1999·IGI·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Adiamor
  14. 24Cape Diamonds80 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

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 6,258 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 1.5ct lab grown marquise diamond, all grades

How pricing is spread at this spec

For the 1,740 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    CA$275
  • 10th percentile
    CA$361
  • Median
    CA$948
  • 75th percentile
    CA$1,020
  • 90th percentile
    CA$1,869
  • Highest confirmed
    CA$3,622

The 13.2x 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$361. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

4,338 of 6,258 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

Want None or Faint fluorescence?

5,566 of 6,258 are graded None or Faint at this spec.

Shopping from Canada?

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

What this spec means

  • Marquise: a pointed-end ellipse that faces up large for its carat.
  • F color: colorless, with a slight tint detectable only by experts under controlled light.
  • VS1 clarity: very slight inclusions, eye-clean to virtually everyone.
  • 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 1.5ct F VS1 marquise lab grown diamonds.

Compare Rare Carat vs Novita Diamonds

Related specs

Slightly smaller carat

marquise-1-25ct-f-vs1-lab

Slightly larger carat

marquise-2ct-f-vs1-lab

One colour grade higher

marquise-1-5ct-e-vs1-lab

One colour grade lower

marquise-1-5ct-g-vs1-lab

One clarity grade higher

marquise-1-5ct-f-vvs2-lab

One clarity grade lower

marquise-1-5ct-f-vs2-lab

Same spec, natural

marquise-1-5ct-f-vs1-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 1.5ct F VS1 Marquise Lab Grown Diamonds | Carat Hunter