Where to buy a 1ct natural radiant diamond

Half of these diamonds are listed between NZ$3,308 and NZ$6,837 (as of November 7, 2026).

Certificated stones with a recently confirmed price only, 8,156 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 Jewellers4,856 in stock

   New Zealand·Founded 2006·AGS, EGL, GIA, HRD·30-day returns·Ships to New Zealand

   Terms read on the retailer’s own site, October 19, 2026

   Visit NZ Jewellers
2. 2Carbon Sparkle4,524 in stock

   United States·AGS, EGL, GIA, HRD·21-day returns·Ships to New Zealand

   Terms read on the retailer’s own site, September 2, 2026

   Visit Carbon Sparkle
3. 3Aurelinne4,089 in stock

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

   Terms not yet verified

   Visit Aurelinne
4. 4

   The Perfect Carat

   3,403 in stock

   US·AGS, EGL, GIA, HRD

   Terms not yet verified
5. 5Rare Carat2,943 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
6. 6MOH London2,878 in stock

   United Kingdom·EGL, GIA, HRD, IGI

   Terms not yet verified

   Visit MOH London
7. 7Yorxs2,793 in stock

   Germany·Founded 2011·AGS, GIA, HRD, IGI

   Terms not yet verified

   Visit Yorxs
8. 877 Diamonds2,784 in stock

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

   Terms not yet verified

   Visit 77 Diamonds
9. 9Calavera New York2,583 in stock

   United States·AGS, EGL, GIA, GSI·30-day returns·Ships to New Zealand

   Terms read on the retailer’s own site, September 2, 2026

   Visit Calavera New York
10. 10Allurez2,336 in stock

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

    Terms not yet verified

    Visit Allurez

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 67 retailers with shipping details ship to New Zealand. 29 do not. 7 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.

• 1.02ct H VS2from $1,808 across 18 retailersAs of November 6, 2026
• 1.01ct H VS2from $1,993 across 19 retailersAs of November 4, 2026
• 1.05ct G SI1from $1,847 across 6 retailersAs of November 6, 2026
• 1.02ct G SI1from $1,793 across 19 retailersAs of November 2, 2026
• 1.01ct I VS2from $1,705 across 14 retailersAs of November 6, 2026
• 1.02ct I VS2from $1,842 across 15 retailersAs of November 6, 2026

• Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
• Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.