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Round|Natural|GIA

0.51ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 6492309443

Certificate GIA 6492309443

Diamond specifications and retailer prices

From HK$4,801 HKD
As of November 4, 2026
Save HK$5,719 HKD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$18,013 HKD at NZ Jewellers · As of November 4, 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 November 2, 2026, with a 119% 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
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: Nov 4
Current: HK$6,786 HKD|Low: HK$4,001 HKD|High: HK$10,646 HKD|Avg: HK$7,332 HKD|+5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7HK$4,801 HKD
Retailer 4HK$5,139 HKD
Retailer 9HK$5,405 HKD
Retailer 6HK$6,629 HKD
Retailer 1HK$6,786 HKD
Retailer 2HK$8,088 HKD
Retailer 8HK$8,630 HKD
Retailer 3HK$8,857 HKD
Retailer 5HK$10,520 HKD

44 data points across 9 retailers

15 retailersHK$4,801 HKD to HK$10,520 HKD

B+
Cheapest Retailer
-
HK$4,801 HKD
Final sale: no returns
B+
Retailer 2
-
HK$5,107 HKD
View
B+
Retailer 3
-
HK$5,139 HKD
View
B+
Retailer 4
-
HK$5,201 HKD
View
Retailer 5
-
HK$5,201 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$5,405 HKD
View
B+
Retailer 7
-
HK$6,002 HKD
View
B
Retailer 8
-
HK$6,629 HKD
View
B+
Retailer 9
-
HK$6,786 HKD
View
B
Retailer 10
-
HK$8,088 HKD
View
Retailer 11
-
HK$8,096 HKD
View
Price last confirmed 19 days ago
Retailer 12
-
HK$8,630 HKD
View
Price last confirmed 33 days ago
B
Retailer 13
-
HK$8,857 HKD
View
B
Retailer 14
-
HK$10,520 HKD
View
Most Expensive
NZ Jewellers
5fc39e80-0546-4b4b-8283-f42531ac6718 · Nov 4
HK$18,013 HKD
$2,296 USD
View
Price under review
14 more retailers have this diamond
Prices start from HK$4,801 HKDSave up to HK$5,719 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$4,801 HKD