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Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct lab-grown oval diamond

Every retailer in our index stocking this size and shape, 61 of them, across 65,613 current listings.

Updated November 4, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

65,613

Retailers carrying

61

Median confirmed price

NZ$772

Grade combinations

26

Certificate mix:IGI 60,340 · GCAL 1,768 · GIA 1,767 · HRD 10

What it actually costs

Half of these diamonds are listed between NZ$459 and NZ$1,437 (as of November 4, 2026).

Lower 10% NZ$397Median NZ$772Upper 10% NZ$2,288

Middle half listed between NZ$459 to NZ$1,437

Certificated stones with a recently confirmed price only, 5,721 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

398%

Typical difference

NZ$1,937

Stones compared

3,948

Across 3,948 stones of this size and shape carried by more than one retailer, the dearest listing sits 398% above the cheapest for the identical certificated diamond, a typical gap of NZ$1,937. That gap is what comparing before you buy avoids.

Every retailer that stocks this spec

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

  1. 1Rare Carat4,489 in stock
    United States·Founded 2016·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  3. 3NZ Jewellers3,718 in stock
    New Zealand·Founded 2006·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  4. 4Aurelinne3,357 in stock
    United States·Founded 2021·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  5. 5

    The Perfect Carat

    3,262 in stock
    US
    Terms not yet verified
  10. 10Adiamor2,410 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
Show 15 more retailers
  1. 11B2C Jewels2,384 in stock
    United States·Founded 2004·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  6. 16Moon Ocean1,736 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Moon Ocean
  9. 19Cape Diamonds1,587 in stock
    South Africa·Founded 2005·7-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  13. 23Yorxs1,066 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs

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.

15 of the 25 retailers ship to New Zealand. 10 do not.

Narrow it down by grade

Each combination below has its own page with the retailers that stock exactly that grade.

D VVS213,081 · 58rD VS19,590 · 54rD VVS19,166 · 53rD IF7,639 · 52rD FL5,184 · 38rE VVS24,708 · 54rE VS13,665 · 53rE VVS12,497 · 50rE IF1,401 · 45rD VS21,291 · 44rF VS11,228 · 49rF VVS21,227 · 52rG VS11,108 · 40rE VS2984 · 45rG VVS2687 · 43rE FL503 · 31rF VS2384 · 39rF VVS1293 · 42rF IF276 · 37rH VS1207 · 28rG VS2142 · 27rH VVS2132 · 26rH VS2112 · 26rG VVS146 · 20rH VVS124 · 7rF FL22 · 21r

Stones at this spec now

Current examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

What this spec means

  • Oval: an elongated brilliant cut that looks larger face-up than its carat weight.
  • Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.

Frequently asked

How much do retailers differ on the same diamond?

Across 3,948 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 398%, about NZ$1,937.

Can I see retailers for one exact grade?

Yes. Each of the 26 colour and clarity combinations above has its own page listing the retailers that stock exactly that grade.

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.

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.