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Round|Natural|GIA

0.51ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 5212794887

Certificate GIA 5212794887

Diamond specifications and retailer prices

From HK$5,476 HKD
As of November 4, 2026
Save HK$4,966 HKD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$21,159 HKD at NZ Jewellers · As of September 28, 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 5212794887. Listed at 19 retailers as of November 4, 2026, with a 91% 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
OriginNatural
Grading LabGIA
CertificateGIA 5212794887
Dimensions5.15 × 5.13 × 3.13 mm
L/W Ratio1.00
Top View
5.15 mm5.13 mm0.51 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5212794887
Side View
Table 62.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 61.0%

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$8,991 HKD|Low: HK$4,629 HKD|High: HK$12,497 HKD|Avg: HK$7,751 HKD|+20.9%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 17HK$5,170 HKD
Retailer 13HK$5,476 HKD
Retailer 11HK$5,939 HKD
Retailer 7HK$6,111 HKD
Retailer 9HK$6,111 HKD
Retailer 5HK$6,206 HKD
Retailer 6HK$6,935 HKD
Retailer 10HK$7,296 HKD
Retailer 14HK$7,296 HKD
Retailer 3HK$7,453 HKD
Retailer 15HK$7,531 HKD
Retailer 18HK$7,531 HKD
Retailer 12HK$8,465 HKD
Retailer 4HK$8,606 HKD
Retailer 1HK$8,991 HKD
Retailer 8HK$9,187 HKD
Retailer 2HK$10,144 HKD
Retailer 19HK$10,434 HKD
Retailer 16HK$12,474 HKD

40 data points across 19 retailers

19 retailersHK$5,476 HKD to HK$10,442 HKD

B+
Cheapest Retailer
-
HK$5,476 HKD
Retailer 2
-
HK$5,641 HKD
View
Price last confirmed 102 days ago
B+
Retailer 3
-
HK$5,939 HKD
View
Retailer 4
-
HK$6,111 HKD
View
Price last confirmed 29 days ago
Retailer 5
-
HK$6,111 HKD
View
Price last confirmed 29 days ago
Retailer 6
-
HK$6,347 HKD
View
Price last confirmed 38 days ago
Retailer 7
-
HK$7,053 HKD
View
Price last confirmed 38 days ago
B
Retailer 8
-
HK$7,296 HKD
View
B
Retailer 9
-
HK$7,296 HKD
View
B
Retailer 10
-
HK$7,531 HKD
View
B
Retailer 11
-
HK$7,531 HKD
View
B
Retailer 12
-
HK$8,465 HKD
View
B
Retailer 13
-
HK$8,991 HKD
View
Retailer 14
-
HK$9,187 HKD
View
Price last confirmed 29 days ago
Retailer 15
-
HK$10,144 HKD
View
Price last confirmed 33 days ago
Retailer 16
-
HK$10,434 HKD
View
Price last confirmed 33 days ago
B
Retailer 17
-
HK$10,442 HKD
View
Retailer 18
-
HK$12,474 HKD
View
Price last confirmed 29 days ago
Most Expensive
NZ Jewellers
09b912c3-95c0-4266-ab3b-f44b03c0bee3 · Sep 28
HK$21,159 HKD
$2,697 USD
View
Price under review
18 more retailers have this diamond
Prices start from HK$5,476 HKDSave up to HK$4,966 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$5,476 HKD