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Carat Hunter · Where to buy diamonds

1.25ct · G · VVS2 · 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

209

Retailers carrying

33

Price range

£135 to
£1,294

Median confirmed price

£510

Certificate mix:IGI 191 · GIA 10

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.

  4. 4Rare Carat14 in stock
    United States·Founded 2016·IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5B2C Jewels8 in stock
    United States·Founded 2004·IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  7. 7

    The Perfect Carat

    7 in stock
    US·IGI
    Terms not yet verified
  10. 10Adiamor7 in stock
    United States·Founded 1999·IGI·30-day returns
    Terms not yet verified
    Visit Adiamor
Show 15 more retailers
  3. 13NZ Jewellers7 in stock
    New Zealand·Founded 2006·IGI·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  4. 14Aurelinne6 in stock
    United States·Founded 2021·IGI·30-day returns·Ships to Ireland
    Terms not yet verified
    Visit Aurelinne
  7. 17Cape Diamonds5 in stock
    South Africa·Founded 2005·IGI·7-day returns·Ships to Ireland
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  8. 18Allurez5 in stock
    United States·Founded 2010·30-day returns·Ships to Ireland
    Terms not yet verified
    Visit Allurez

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 209 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 92 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    £135
  • 10th percentile
    £239
  • Median
    £510
  • 75th percentile
    £687
  • 90th percentile
    £766
  • Highest confirmed
    £1,294

The 9.6x 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 £239. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

108 of 209 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

10 of 209 (5%) carry GIA. 2 retailers stock GIA at this spec.

Want None or Faint fluorescence?

178 of 209 are graded None or Faint at this spec.

Shopping from Ireland?

16 of the 25 retailers ship to Ireland. 9 do not.

What this spec means

  • Marquise: a pointed-end ellipse that faces up large for its carat.
  • G colour: near-colourless, one step below the D to F band, with virtually no perceptible colour to most buyers.
  • VVS2 clarity: very very slight inclusions, difficult to find 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 G VVS2 marquise lab grown diamonds.

Compare Diamond Quarter vs Brilliant Earth

Related specs

Slightly smaller carat

marquise-1ct-g-vvs2-lab

Slightly larger carat

marquise-1-5ct-g-vvs2-lab

One colour grade higher

marquise-1-25ct-f-vvs2-lab

One colour grade lower

marquise-1-25ct-h-vvs2-lab

One clarity grade higher

marquise-1-25ct-g-vvs1-lab

One clarity grade lower

marquise-1-25ct-g-vs1-lab

Same spec, natural

marquise-1-25ct-g-vvs2-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 G VVS2 Marquise Lab Grown Diamonds | Carat Hunter