Round|Natural|GIA

0.51ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 6492309443

Certificate GIA 6492309443

Diamond specifications and retailer prices

From $612 USD
As of October 31, 2026
Save $735 USD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,296 USD 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6492309443. Listed at 15 retailers as of October 29, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492309443
Dimensions5.10 × 5.08 × 3.15 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.10 mm5.08 mm0.51 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492309443
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,296 USD|Low: $510 USD|High: $2,296 USD|Avg: $993 USD
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
November 1, 2026
Retailer 11$612 USD
Retailer 3$663 USD
Retailer 5$663 USD
Retailer 9$670 USD
Retailer 13$689 USD
Retailer 4$765 USD
Retailer 10$845 USD
Retailer 2$874 USD
Retailer 7$1,040 USD
Retailer 12$1,101 USD
Retailer 6$1,130 USD
Retailer 8$1,347 USD
NZ Jewellers$2,296 USD

44 data points across 13 retailers

15 retailers$612 USD to $1,347 USD

B+
Cheapest Retailer
-
$612 USD
Final sale: no returns
B+
Retailer 2
-
$651 USD
View
B+
Retailer 3
-
$663 USD
View
B+
Retailer 4
-
$663 USD
View
Retailer 5
-
$670 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$689 USD
View
B+
Retailer 7
-
$765 USD
View
B
Retailer 8
-
$845 USD
View
B+
Retailer 9
-
$874 USD
£688 GBP
View
Retailer 10
-
$1,033 USD
View
Price last confirmed 14 days ago
B
Retailer 11
-
$1,040 USD
€990 EUR
View
Retailer 12
-
$1,101 USD
A$1,694 AUD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$1,130 USD
ZAR 18,255 ZAR
View
B
Retailer 14
-
$1,347 USD
£1,061 GBP
View
Most Expensive
NZ Jewellers
5fc39e80-0546-4b4b-8283-f42531ac6718 · Oct 30
$2,296 USD
View
Price under review
14 more retailers have this diamond
Prices start from $612 USDSave up to $735 USD

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.

B+
0.51ct Round
$612 USD