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Round|Natural|IGI

0.51ct J VVS1 Round Natural Diamond

EX • J/VVS1 • IGI 840603359

Shape and cutting style on the report: Round brilliant

Certificate IGI 840603359

Diamond specifications and retailer prices

From $632 NZD
$356 USD
As of November 2, 2026
Save $2,072 NZD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,704 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 840603359. Listed at 16 retailers as of October 30, 2026, with prices from $632 to $2,704, a $2,072 spread on the same certified stone. NZ Jewellers lists it at $2,704. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
J
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35.3°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 840603359
Dimensions5.10 × 5.15 × 3.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.10 mm5.15 mm0.51 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 840603359
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.8%

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 2
Current: $2,704 NZD|Low: $632 NZD|High: $2,704 NZD|Avg: $1,071 NZD|+2.6%
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
November 2, 2026
Retailer 5$632 NZD
Retailer 15$687 NZD
Retailer 7$759 NZD
Retailer 8$759 NZD
Retailer 11$819 NZD
Retailer 16$868 NZD
Retailer 10$918 NZD
Retailer 4$923 NZD
Retailer 2$923 NZD
Retailer 3$951 NZD
Retailer 14$969 NZD
Retailer 12$1,065 NZD
Retailer 6$1,089 NZD
Retailer 9$1,112 NZD
Retailer 13$1,584 NZD
NZ Jewellers$2,704 NZD

18 data points across 16 retailers

16 retailers$632 NZD to $2,704 NZD

A
Cheapest Retailer
-
$632 NZD
$356 USD
Final sale: no returns
A
Retailer 2
-
$687 NZD
$387 USD
View
A
Retailer 3
-
$759 NZD
$428 USD
View
A
Retailer 4
-
$759 NZD
$428 USD
View
A
Retailer 5
-
$819 NZD
£364 GBP
View
A
Retailer 6
-
$868 NZD
£385 GBP
View
A
Retailer 7
-
$918 NZD
$517 USD
View
A
Retailer 8
-
$923 NZD
$520 USD
View
A
Retailer 9
-
$923 NZD
£410 GBP
View
A
Retailer 10
-
$951 NZD
$536 USD
View
A
Retailer 11
-
$969 NZD
$546 USD
View
A
Retailer 12
-
$1,065 NZD
$600 USD
View
B+
Retailer 13
-
$1,089 NZD
ZAR 9,914 ZAR
View
B+
Retailer 14
-
$1,112 NZD
€597 EUR
View
B+
Retailer 15
-
$1,584 NZD
£703 GBP
View
Most Expensive
B
NZ Jewellers
aad23b36-67f5-4d68-9fb6-aa6030dd6ea6 · Oct 30
$2,704 NZD
$1,524 USD
View
15 more retailers have this diamond
Prices start from $632 NZDSave up to $2,072 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
0.51ct Round
$632 NZD