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Top 50 Diamonds Overall in New Zealand

The cream of the crop across every dimension: gemological quality, value per dollar, and certification rigour rolled into one composite score. Pricing shown in NZD.

Last updated 1 November 2026 · Based on 50 active listings ranked by overall

How to Read the Overall Leaderboard

The overall score is a 0 to 100 composite of three signals we already publish individually: quality (how well the stone is made), value (price versus the peer-median for its spec), and certification (how rigorous the grading lab is). A high overall score means the stone wins on all three at once, not just one. The diamonds at the top of this list are the ones the market is putting forward today as genuinely the best available.

Use this when you do not have a strong preference yet and want to see what the market is rewarding right now. The overall list mixes natural and lab-grown freely, so do not be surprised to see them side by side. If you have a hard preference for one origin, use the Natural / Lab-grown / Fancy tabs above to filter.

Composite scores hide the trade-offs. A diamond at 92 overall might be 99 quality and 85 value, or 88 quality and 96 value. Click any entry to see the full breakdown, and use the per-metric leaderboards (quality, value, certification) when you want to optimise for one axis specifically.

#DiamondOriginGradeLowest Price (NZD)
11.43ct CUSHION D VVS1lab grownA+$703 NZD
21.43ct CUSHION D VVS2lab grownA+$628 NZD
31.09ct OVAL D VS1lab grownA+$452 NZD
41.07ct ROUND D VVS2lab grownA+$284 NZD
52.84ct ROUND D IFlab grownA+$2,136 NZD
62.71ct ROUND D IFlab grownA+$2,040 NZD
72.63ct HEART D IFlab grownA+$3,522 NZD
82.35ct ROUND D FLlab grownA+$1,512 NZD
92.34ct ROUND D IFlab grownA+$1,057 NZD
102.09ct MARQUISE D IFlab grownA+$1,338 NZD
111.41ct CUSHION D VVS1lab grownA+$694 NZD
123.04ct ROUND D IFlab grownA+$3,327 NZD
132.76ct ROUND D IFlab grownA+$2,078 NZD
142.54ct PEAR D IFlab grownA+$3,597 NZD
152.51ct ROUND D VVS1lab grownA+$944 NZD
162.10ct OVAL D VS1lab grownA+$1,026 NZD
172.07ct OVAL D VVS1lab grownA+$1,210 NZD
182.05ct OVAL D VVS1lab grownA+$1,183 NZD
191.93ct CUSHION D IFlab grownA+$2,099 NZD
201.92ct CUSHION D IFlab grownA+$2,088 NZD
211.82ct CUSHION D IFlab grownA+$1,982 NZD
221.54ct ROUND D VVS2lab grownA+$470 NZD
231.40ct CUSHION D VVS1lab grownA+$690 NZD
241.36ct OVAL D VVS1lab grownA+$619 NZD
251.01ct RADIANT D VVS1lab grownA+$472 NZD
261.01ct RADIANT D VVS1lab grownA+$472 NZD
270.99ct HEART D IFlab grownA+$451 NZD
285.07ct ROUND D FLlab grownA+$15,055 NZD
295.06ct PRINCESS D FLlab grownA+$19,725 NZD
304.10ct RADIANT D IFlab grownA+$6,036 NZD
313.12ct PEAR E IFlab grownA+$5,323 NZD
323.04ct ROUND D IFlab grownA+$3,327 NZD
332.96ct RADIANT E IFlab grownA+$3,478 NZD
342.54ct PRINCESS E IFlab grownA+$1,533 NZD
352.14ct OVAL D VVS1lab grownA+$1,233 NZD
362.13ct OVAL D VVS1lab grownA+$1,228 NZD
372.07ct OVAL D VVS1lab grownA+$1,210 NZD
382.06ct OVAL D VVS1lab grownA+$1,189 NZD
392.03ct OVAL D VVS1lab grownA+$1,187 NZD
401.96ct CUSHION D IFlab grownA+$2,131 NZD
411.90ct RADIANT D VVS1lab grownA+$797 NZD
421.82ct CUSHION D IFlab grownA+$1,982 NZD
431.64ct CUSHION D VVS2lab grownA+$708 NZD
441.35ct OVAL D VVS1lab grownA+$616 NZD
451.28ct ROUND D FLlab grownA+$525 NZD
461.03ct MARQUISE D IFlab grownA+$358 NZD
470.74ct ROUND D FLlab grownA+$318 NZD
480.74ct ROUND D FLlab grownA+$325 NZD
495.05ct PRINCESS D FLlab grownA+$20,750 NZD
505.00ct ROUND D FLlab grownA+$14,407 NZD
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