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Carat Hunter · Where to buy diamonds

1ct · G · IF · Marquise · Lab-grown

Live snapshot of every retailer carrying this exact spec today.

Updated June 3, 2026 · Independent. Zero affiliate revenue.

Market at this spec

Active listings

28

Retailers carrying

16

Price range

CA$330 to
CA$11,079

Median active price

CA$914

Certificate mix:IGI 26

Range and median are cohort statistics across every active listing at this spec. They are not per-retailer pricing claims.

Every retailer that stocks this spec

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

Show 6 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified March 7, 2026.

Explore all 28 stones in this cohort

How pricing is spread at this spec

For all 28 active listings at this spec, the price distribution looks like this:

  • Lowest active
    CA$330
  • 10th percentile
    CA$487
  • Median
    CA$914
  • 75th percentile
    CA$1,513
  • 90th percentile
    CA$3,404
  • Highest active
    CA$11,079

The 33.6x spread from lowest to highest active 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 active listings start around CA$487. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

12 of 28 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

Want None or Faint fluorescence?

26 of 28 are graded None or Faint at this spec.

Shopping from Canada?

2 of the 16 retailers ship to Canada. 14 do not.

What this spec means

  • Marquise: a pointed-end ellipse, faces up large for its carat.
  • G color: near-colourless, one step below the D-F band, virtually no perceptible colour to most buyers.
  • IF clarity: internally flawless, no internal imperfections, surface marks only.
  • Lab-grown: chemically identical to natural diamonds, typically 60% to 80% less than a comparable natural cohort.

Compare the top retailers carrying this spec

Side-by-side facts for the two stores carrying the most 1ct G IF marquise lab grown diamonds.

Compare Moon Ocean vs 77 Diamonds

Related specs

Slightly smaller carat

marquise-0-75ct-g-if-lab

Slightly larger carat

marquise-1-25ct-g-if-lab

One colour grade higher

marquise-1ct-f-if-lab

One colour grade lower

marquise-1ct-h-if-lab

One clarity grade higher

marquise-1ct-g-fl-lab

One clarity grade lower

marquise-1ct-g-vvs1-lab

Same spec, natural

marquise-1ct-g-if-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?

Live listings refresh daily. 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 1ct G IF Marquise Lab Grown Diamonds | Carat Hunter