Natural Cushion Diamond Prices in New Zealand

Last updated: November 2026

By Carat Weight

Price Distribution

LowHigh

ColourFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$15K$11K$11K$9,935$9,120$8,740$7,337$6,175$5,050
F-G$3,932$8,997$9,344$8,518$11K$10K$6,647$5,657$3,899
H-I$3,524$6,893$6,486$6,716$6,362$6,411$5,706$5,046$3,239
J-K$1,434$4,239$4,741$4,885$4,738$4,646$4,239$3,538$2,397
L-M-$2,819$2,069$3,320$3,050$3,269$2,737$1,826$1,627
N+$7,950$9,092$10K$9,494$12K$11K$9,127$9,781$8,460

By Carat Weight

0.20-0.29
6,298 listings
Avg: $13,664 NZD/ct
0.30-0.49
46,855 listings
Avg: $4,976 NZD/ct
0.50-0.74
116,271 listings
Avg: $3,629 NZD/ct
0.75-0.99
77,235 listings
Avg: $4,033 NZD/ct
1.00-1.24
190,045 listings
Avg: $5,342 NZD/ct
1.25-1.49
20,148 listings
Avg: $6,693 NZD/ct
1.50-1.99
134,004 listings
Avg: $7,523 NZD/ct
2.00-2.49
83,025 listings
Avg: $11,339 NZD/ct
2.50-2.99
20,841 listings
Avg: $14,791 NZD/ct
3.00-3.99
29,578 listings
Avg: $18,946 NZD/ct
4.00-4.99
6,492 listings
Avg: $25,468 NZD/ct
5.00-9.99
7,239 listings
Avg: $32,161 NZD/ct
10.00+
485 listings
Avg: $42,420 NZD/ct
unknown
1,050 listings
Avg: $25,410 NZD/ct

Price by Colour & Clarity

ColourClarityListingsAvg Price/ct
D-EFL444$26,381 NZD
D-EI2,214$8,979 NZD
D-EIF4,803$20,400 NZD
D-ESI127,382$13,045 NZD
D-ESI213,159$10,979 NZD
D-EVS136,821$16,216 NZD
D-EVS233,149$15,539 NZD
D-EVVS120,328$19,094 NZD
D-EVVS224,172$17,665 NZD
F-GFL74$6,992 NZD
F-GI2,881$6,933 NZD
F-GIF5,371$15,997 NZD
F-GSI131,756$11,818 NZD
F-GSI217,840$10,059 NZD
F-GVS145,973$20,308 NZD
F-GVS245,906$18,298 NZD
F-GVVS122,691$16,613 NZD
F-GVVS227,675$15,145 NZD
H-IFL103$6,266 NZD
H-II3,052$5,760 NZD
H-IIF4,349$12,257 NZD
H-ISI134,571$10,146 NZD
H-ISI220,275$8,972 NZD
H-IVS142,111$11,311 NZD
H-IVS241,353$11,398 NZD
H-IVVS120,411$11,532 NZD
H-IVVS227,181$11,942 NZD
J-KFL29$2,549 NZD
J-KI1,493$4,263 NZD
J-KIF1,988$7,537 NZD
J-KSI119,672$7,537 NZD
J-KSI210,645$6,290 NZD
J-KVS118,513$8,424 NZD
J-KVS219,074$8,261 NZD
J-KVVS19,149$8,430 NZD
J-KVVS211,526$8,685 NZD
L-MI68$2,893 NZD
L-MIF286$5,012 NZD
L-MSI12,135$4,866 NZD
L-MSI21,255$3,247 NZD
L-MVS12,060$5,423 NZD
L-MVS22,349$5,812 NZD
L-MVVS11,083$3,678 NZD
L-MVVS21,586$5,903 NZD
N+FL290$14,134 NZD
N+I2,927$15,042 NZD
N+IF2,591$16,165 NZD
N+SI114,216$16,228 NZD
N+SI28,393$17,391 NZD
N+VS116,931$20,964 NZD
N+VS217,723$18,845 NZD
N+VVS16,744$18,171 NZD
N+VVS29,830$16,880 NZD
N+other965$25,011 NZD