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Carat Hunter · Where to buy diamonds

1.25ct · I · SI2 · Princess · 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

392

Retailers carrying

44

Price range

NZ$1,949 to
NZ$12,105

Median confirmed price

NZ$4,908

Certificate mix:GIA 296 · IGI 49 · HRD 3

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.

  2. 2Allurez29 in stock
    United States·Founded 2010·Ships to New Zealand
    Terms not yet verified
    Visit Allurez
  3. 3NZ Jewellers21 in stock
    New Zealand·Founded 2006·GIA, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  5. 5Yorxs18 in stock
    Germany·Founded 2011·GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
Show 34 more retailers
  1. 11B2C Jewels14 in stock
    United States·Founded 2004·GIA, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  3. 13Rare Carat14 in stock
    United States·Founded 2016·GIA, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  4. 14

    The Perfect Carat

    14 in stock
    US·GIA, IGI
    Terms not yet verified
  6. 16Jared10 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  8. 18Zales10 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  33. 43

    GemTrove

    1 in stock
    AU·GIA
    Terms not yet verified
  34. 44GemsNY1 in stock
    United States·Founded 1988·GIA·Ships to New Zealand
    Terms not yet verified
    Visit GemsNY

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 392 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 natural princess diamond, all grades

How pricing is spread at this spec

For the 132 diamonds at this spec with a recently confirmed price, each taken at its cheapest confirmed price, the distribution looks like this:

  • Lowest confirmed
    NZ$1,949
  • 10th percentile
    NZ$2,951
  • Median
    NZ$4,908
  • 75th percentile
    NZ$5,824
  • 90th percentile
    NZ$6,664
  • Highest confirmed
    NZ$12,105

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$2,951. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

78 of 392 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

GIA-graded only?

296 of 392 (76%) carry GIA. 41 retailers stock GIA at this spec.

Want None or Faint fluorescence?

363 of 392 are graded None or Faint at this spec.

Shopping from New Zealand?

23 of the 41 retailers with shipping details ship to New Zealand. 18 do not. 3 retailers have not published any shipping details.

What this spec means

  • Princess: a square brilliant cut, second only to round in popularity.
  • I colour: near-colourless, with a faint warm tint just detectable in larger stones.
  • 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 1.25ct I SI2 princess natural diamonds.

Compare Diamond Wish vs Allurez

Related specs

Slightly smaller carat

princess-1ct-i-si2-natural

Slightly larger carat

princess-1-5ct-i-si2-natural

One colour grade higher

princess-1-25ct-h-si2-natural

One colour grade lower

princess-1-25ct-j-si2-natural

One clarity grade higher

princess-1-25ct-i-si1-natural

Same spec, lab grown

princess-1-25ct-i-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 1.25ct I SI2 Princess Natural Diamonds | Carat Hunter