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Carat Hunter · Where to buy diamonds

1.5ct · H · SI2 · Marquise · Natural

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

Updated November 6, 2026 · Independent. Zero affiliate revenue.

Market at this spec

Active listings

1,902

Retailers carrying

50

Price range

NZ$3,429 to
NZ$27,825

Median confirmed price

NZ$9,807

Certificate mix:GIA 873 · IGI 520 · HRD 353

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. 1NZ Jewellers169 in stock
    New Zealand·Founded 2006·GIA, HRD, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  2. 2Carbon Sparkle164 in stock
    United States·GIA, HRD, IGI·21-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  3. 3

    The Perfect Carat

    117 in stock
    US·GIA, HRD, IGI
    Terms not yet verified
  5. 5Rare Carat91 in stock
    United States·Founded 2016·GIA, HRD, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  6. 6Aurelinne86 in stock
    United States·Founded 2021·GIA, HRD, IGI·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  7. 7Yorxs80 in stock
    Germany·Founded 2011·GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
Show 40 more retailers
  3. 13B2C Jewels51 in stock
    United States·Founded 2004·GIA, HRD, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  21. 31GemsNY20 in stock
    United States·Founded 1988·GIA·Ships to New Zealand
    Terms not yet verified
    Visit GemsNY
  23. 33Allurez13 in stock
    United States·Founded 2010·Ships to New Zealand
    Terms not yet verified
    Visit Allurez
  30. 40

    GemTrove

    9 in stock
    AU·GIA, IGI
    Terms not yet verified
  31. 41Zales9 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  32. 42Jared8 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared

Stock counts reflect current listings. 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 1,902 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 natural marquise diamond, all grades

How pricing is spread at this spec

For the 442 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    NZ$3,429
  • 10th percentile
    NZ$5,104
  • Median
    NZ$9,807
  • 75th percentile
    NZ$14,049
  • 90th percentile
    NZ$17,342
  • Highest confirmed
    NZ$27,825

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 NZ$5,104. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

360 of 1,902 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

873 of 1,902 (46%) carry GIA. 45 retailers stock GIA at this spec.

Want None or Faint fluorescence?

1,663 of 1,902 are graded None or Faint at this spec.

Shopping from New Zealand?

24 of the 47 retailers with shipping details ship to New Zealand. 23 do not. 3 retailers have not published any shipping details.

What this spec means

  • Marquise: a pointed-end ellipse that faces up large for its carat.
  • H colour: near-colourless, with a slight warm tint visible only against a colourless reference.
  • SI2 clarity: Slightly Included 2. Inclusions easy to see at 10x. May be visible to the unaided eye in some stones.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Compare the top retailers carrying this spec

Side-by-side facts for the two stores carrying the most 1.5ct H SI2 marquise natural diamonds.

Compare NZ Jewellers vs Carbon Sparkle

Related specs

Slightly smaller carat

marquise-1-25ct-h-si2-natural

Slightly larger carat

marquise-2ct-h-si2-natural

One colour grade higher

marquise-1-5ct-g-si2-natural

One colour grade lower

marquise-1-5ct-i-si2-natural

One clarity grade higher

marquise-1-5ct-h-si1-natural

Same spec, lab grown

marquise-1-5ct-h-si2-lab

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 H SI2 Marquise Natural Diamonds | Carat Hunter