CaratHunter
Plans
Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 2434559881

Certificate GIA 2434559881

Diamond specifications and retailer prices

From $6,302 NZD
HK$27,700 HKD
As of November 1, 2026
Save $7,081 NZD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,383 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2434559881. Listed at 16 retailers as of October 30, 2026, with prices from $6,302 to $13,383, a $7,081 spread on the same certified stone. NZ Jewellers lists it at $13,383. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2434559881
Dimensions7.19 × 7.16 × 4.58 mm
L/W Ratio1.00
Top View
7.19 mm7.16 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2434559881
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,383 NZD|Low: $6,256 NZD|High: $13,383 NZD|Avg: $8,378 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 14$6,302 NZD
Retailer 7$6,761 NZD
Retailer 4$7,090 NZD
Retailer 5$7,287 NZD
Retailer 15$7,681 NZD
Retailer 16$7,681 NZD
Retailer 17$7,681 NZD
Retailer 8$7,765 NZD
Retailer 10$7,810 NZD
Retailer 9$7,927 NZD
Retailer 6$7,946 NZD
Retailer 12$8,657 NZD
Retailer 3$8,863 NZD
Retailer 2$9,175 NZD
Retailer 13$9,443 NZD
Retailer 11$12,236 NZD
NZ Jewellers$13,383 NZD

32 data points across 17 retailers

16 retailers$6,302 NZD to $13,383 NZD

A
Cheapest Retailer
-
$6,302 NZD
HK$27,700 HKD
B+
Retailer 2
-
$6,761 NZD
$3,804 USD
View
B+
Retailer 3
-
$7,090 NZD
$3,989 USD
View
Final sale: no returns
B+
Retailer 4
-
$7,287 NZD
$4,100 USD
View
B+
Retailer 5
-
$7,681 NZD
$4,322 USD
View
B+
Retailer 6
-
$7,681 NZD
$4,322 USD
View
B+
Retailer 7
-
$7,681 NZD
$4,322 USD
View
B+
Retailer 8
-
$7,810 NZD
£3,460 GBP
View
B+
Retailer 9
-
$7,927 NZD
$4,460 USD
View
B+
Retailer 10
-
$7,946 NZD
$4,471 USD
View
B+
Retailer 11
-
$8,657 NZD
€4,639 EUR
View
B
Retailer 12
-
$8,863 NZD
$4,987 USD
View
B
Retailer 13
-
$9,175 NZD
£4,065 GBP
View
B
Retailer 14
-
$9,443 NZD
ZAR 85,832 ZAR
View
B
Retailer 15
-
$12,236 NZD
£5,421 GBP
View
Most Expensive
B
NZ Jewellers
0fc4e9aa-7d9d-4d58-800a-c3cdbba0feb4 · Oct 30
$13,383 NZD
$7,530 USD
View
15 more retailers have this diamond
Prices start from $6,302 NZDSave up to $7,081 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Round
$6,302 NZD