Where to buy a 3ct natural oval diamond

Half of these diamonds are listed between NZ$35,836 and NZ$75,508 (as of November 6, 2026).

Certificated stones with a recently confirmed price only, 2,465 of them. Each contributes its cheapest confirmed price.

As of November 6, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 20% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

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

1. 1NZ Jewellers2,255 in stock

   New Zealand·Founded 2006·EGL, 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 Sparkle1,927 in stock

   United States·EGL, 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. 3Aurelinne1,488 in stock

   United States·Founded 2021·EGL, GIA, HRD, IGI·Ships to New Zealand

   Terms not yet verified

   Visit Aurelinne
4. 4Allurez1,321 in stock

   United States·Founded 2010·GIA, IGI·Ships to New Zealand

   Terms not yet verified

   Visit Allurez
5. 5

   The Perfect Carat

   1,288 in stock

   US·EGL, GIA, HRD, IGI

   Terms not yet verified
6. 6MOH London1,227 in stock

   United Kingdom·EGL, GIA, HRD, IGI

   Terms not yet verified

   Visit MOH London
7. 7Rare Carat1,207 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
8. 877 Diamonds1,168 in stock

   United Kingdom·Founded 2005·GIA, HRD, IGI·Ships to New Zealand

   Terms not yet verified

   Visit 77 Diamonds
9. 9Yorxs1,008 in stock

   Germany·Founded 2011·GIA, HRD, IGI

   Terms not yet verified

   Visit Yorxs
10. 10Jogia Diamonds1,004 in stock

    Australia·Founded 1996·GIA·Ships to New Zealand

    Terms not yet verified

    Visit Jogia Diamonds

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.

38 of the 63 retailers with shipping details ship to New Zealand. 25 do not. 6 retailers have not published any shipping details.

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

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

• 3.07ct H SI2from $13,807 across 10 retailersAs of November 6, 2026
• 3.01ct H SI2from $13,496 across 11 retailersAs of November 6, 2026
• 3.01ct D SI1from $37,107 across 12 retailersAs of November 6, 2026
• 3.01ct D SI1from $38,370 across 7 retailersAs of November 4, 2026
• 3.01ct I SI2from $12,285 across 13 retailersAs of November 6, 2026
• 3.01ct I SI2from $13,060 across 13 retailersAs of November 6, 2026

• Oval: an elongated brilliant cut that looks larger face-up than its carat weight.
• Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.