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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 $507 AUD
$356 USD
As of October 31, 2026
Save $1,663 AUD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,170 AUD 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 $507 to $2,170, a $1,663 spread on the same certified stone. NZ Jewellers lists it at $2,170. 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: Oct 31
Current: $2,170 AUD|Low: $507 AUD|High: $2,170 AUD|Avg: $861 AUD|+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 1, 2026
Retailer 5$507 AUD
Retailer 14$551 AUD
Retailer 7$609 AUD
Retailer 8$609 AUD
Retailer 9$657 AUD
Retailer 15$696 AUD
Retailer 12$735 AUD
Retailer 2$736 AUD
Retailer 4$740 AUD
Retailer 16$763 AUD
Retailer 13$777 AUD
Retailer 10$854 AUD
Retailer 6$874 AUD
Retailer 3$898 AUD
Retailer 11$1,271 AUD
NZ Jewellers$2,170 AUD

17 data points across 16 retailers

16 retailers$507 AUD to $2,170 AUD

A
Cheapest Retailer
-
$507 AUD
$356 USD
Final sale: no returns
A
Retailer 2
-
$551 AUD
$387 USD
View
A
Retailer 3
-
$609 AUD
$428 USD
View
A
Retailer 4
-
$609 AUD
$428 USD
View
A
Retailer 5
-
$657 AUD
£364 GBP
View
A
Retailer 6
-
$696 AUD
£385 GBP
View
A
Retailer 7
-
$735 AUD
£406 GBP
View
A
Retailer 8
-
$736 AUD
$517 USD
View
A
Retailer 9
-
$740 AUD
$520 USD
View
A
Retailer 10
-
$763 AUD
$536 USD
View
A
Retailer 11
-
$777 AUD
$546 USD
View
A
Retailer 12
-
$854 AUD
$600 USD
View
B+
Retailer 13
-
$874 AUD
ZAR 9,914 ZAR
View
B+
Retailer 14
-
$898 AUD
€601 EUR
View
B+
Retailer 15
-
$1,271 AUD
£703 GBP
View
Most Expensive
B
NZ Jewellers
aad23b36-67f5-4d68-9fb6-aa6030dd6ea6 · Oct 30
$2,170 AUD
$1,524 USD
View
15 more retailers have this diamond
Prices start from $507 AUDSave up to $1,663 AUD

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
$507 AUD