CaratHunter
Plans
Round|Natural|GIA

0.51ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 1399142424

Certificate GIA 1399142424

Diamond specifications and retailer prices

From HK$8,041 HKD
As of November 6, 2026
Save HK$5,915 HKD (42%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$19,747 HKD at MOH London · As of November 4, 2026
View at MOH London

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 1399142424. Listed at 24 retailers as of November 6, 2026, with a 74% 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
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1399142424
Dimensions5.23 × 5.19 × 3.10 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Key to symbols
Cloud
Top View
5.23 mm5.19 mm0.51 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1399142424
Side View
Table 60.0%Crown 33°Girdle: NUL-NULPavilion 40.8°Culet: NoneDepth 59.4%

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: Nov 6
Current: HK$19,747 HKD|Low: HK$8,041 HKD|High: HK$19,907 HKD|Avg: HK$12,726 HKD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2HK$8,041 HKD
Retailer 8HK$9,846 HKD
Retailer 9HK$9,971 HKD
Retailer 5HK$11,862 HKD
Retailer 6HK$12,898 HKD
Retailer 3HK$13,549 HKD
Retailer 4HK$13,957 HKD
Retailer 7HK$16,687 HKD
MOH LondonHK$19,747 HKD

31 data points across 9 retailers

24 retailersHK$8,041 HKD to HK$13,957 HKD

B+
Cheapest Retailer
-
HK$8,041 HKD
Retailer 2
-
HK$9,650 HKD
View
Price last confirmed 18 days ago
B
Retailer 3
-
HK$9,846 HKD
View
B
Retailer 4
-
HK$9,971 HKD
View
Final sale: no returns
B
Retailer 5
-
HK$10,018 HKD
View
B
Retailer 6
-
HK$10,717 HKD
View
B
Retailer 7
-
HK$10,811 HKD
View
Retailer 8
-
HK$10,811 HKD
View
Price last confirmed 50 days ago
Retailer 9
-
HK$10,811 HKD
View
Price last confirmed 8 days ago
B
Retailer 10
-
HK$11,313 HKD
View
B
Retailer 11
-
HK$11,650 HKD
View
B
Retailer 12
-
HK$11,862 HKD
View
B
Retailer 13
-
HK$11,870 HKD
View
Retailer 14
-
HK$12,474 HKD
View
Price last confirmed 45 days ago
B
Retailer 15
-
HK$12,474 HKD
View
B
Retailer 16
-
HK$12,898 HKD
View
B
Retailer 17
-
HK$13,470 HKD
View
B
Retailer 18
-
HK$13,549 HKD
View
B
Retailer 19
-
HK$13,957 HKD
View
Retailer 20
-
HK$14,106 HKD
View
Price last confirmed 32 days ago
Retailer 21
-
HK$16,687 HKD
View
Price under review
Most Expensive
MOH London
9430B3A41 · Nov 4
HK$19,747 HKD
£1,982 GBP
View
Price under review
21 more retailers have this diamond
Prices start from HK$8,041 HKDSave up to HK$5,915 HKD

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
HK$8,041 HKD