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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 2487987638

Certificate GIA 2487987638

Diamond specifications and retailer prices

From $4,883 NZD
HK$21,500 HKD
As of November 1, 2026
Save $6,487 NZD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,370 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2487987638. Listed at 16 retailers as of October 30, 2026, with prices from $4,883 to $11,370, a $6,487 spread on the same certified stone. NZ Jewellers lists it at $11,370. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2487987638
Dimensions7.26 × 7.20 × 4.64 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.26 mm7.20 mm1.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2487987638
Side View
Table 56.0%Crown 36°Girdle: Sli. ThickPavilion 41.4°Culet: NoneDepth 64.2%

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: $11,370 NZD|Low: $4,837 NZD|High: $11,370 NZD|Avg: $6,976 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 13$4,883 NZD
Retailer 3$5,268 NZD
Retailer 7$5,589 NZD
Retailer 4$5,793 NZD
Retailer 5$5,924 NZD
Retailer 14$6,526 NZD
Retailer 16$6,526 NZD
Retailer 8$6,547 NZD
Retailer 10$6,723 NZD
Retailer 15$6,776 NZD
Retailer 9$6,778 NZD
Retailer 6$6,784 NZD
Retailer 17$7,530 NZD
Retailer 11$7,607 NZD
Retailer 2$8,444 NZD
Retailer 12$10,913 NZD
NZ Jewellers$11,370 NZD

30 data points across 17 retailers

16 retailers$4,883 NZD to $11,370 NZD

A
Cheapest Retailer
-
$4,883 NZD
HK$21,500 HKD
B+
Retailer 2
-
$5,268 NZD
₹282,785 INR
View
B+
Retailer 3
-
$5,793 NZD
$3,265 USD
View
B+
Retailer 4
-
$5,924 NZD
$3,339 USD
View
B+
Retailer 5
-
$6,526 NZD
$3,678 USD
View
B+
Retailer 6
-
$6,526 NZD
$3,678 USD
View
B+
Retailer 7
-
$6,547 NZD
$3,690 USD
View
B+
Retailer 8
-
$6,723 NZD
£2,983 GBP
View
B+
Retailer 9
-
$6,776 NZD
$3,819 USD
View
B+
Retailer 10
-
$6,778 NZD
SGD 5,162 SGD
View
B+
Retailer 11
-
$6,784 NZD
$3,824 USD
View
B+
Retailer 12
-
$7,530 NZD
$4,244 USD
View
B+
Retailer 13
-
$7,607 NZD
€4,083 EUR
View
B+
Retailer 14
-
$8,444 NZD
£3,747 GBP
View
B
Retailer 15
-
$10,913 NZD
£4,843 GBP
View
Most Expensive
B
NZ Jewellers
da012cf4-68a9-4999-8152-cf296314ae29 · Oct 30
$11,370 NZD
$6,408 USD
View
15 more retailers have this diamond
Prices start from $4,883 NZDSave up to $6,487 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
$4,883 NZD