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0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 831666593

Shape and cutting style on the report: Round brilliant

Certificate IGI 831666593

Diamond specifications and retailer prices

From HK$3,130 HKD
As of November 5, 2026
Save HK$8,873 HKD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$12,003 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 831666593. Listed at 15 retailers as of November 4, 2026, with prices from HK$3,130 to HK$12,003, a HK$8,873 spread on the same certified stone. NZ Jewellers lists it at HK$12,003. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 831666593
Dimensions5.13 × 5.16 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.13 mm5.16 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831666593
Side View
Table 58.0%Crown 34.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$12,003 HKD|Low: HK$2,063 HKD|High: HK$12,003 HKD|Avg: HK$4,407 HKD
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
November 6, 2026
Retailer 7HK$2,063 HKD
Retailer 4HK$3,130 HKD
Retailer 12HK$3,217 HKD
Retailer 5HK$3,373 HKD
Retailer 6HK$3,373 HKD
Retailer 15HK$3,617 HKD
Retailer 2HK$3,923 HKD
Retailer 10HK$4,080 HKD
Retailer 8HK$4,158 HKD
Retailer 3HK$4,629 HKD
Retailer 13HK$4,786 HKD
Retailer 11HK$4,856 HKD
Retailer 9HK$5,633 HKD
Retailer 14HK$7,218 HKD
NZ JewellersHK$12,003 HKD

26 data points across 15 retailers

15 retailersHK$3,130 HKD to HK$12,003 HKD

Retailer 1
-
HK$2,063 HKD
Price last confirmed 15 days ago
A
Retailer 2
-
HK$3,130 HKD
View
B+
Retailer 3
-
HK$3,217 HKD
View
Retailer 4
-
HK$3,373 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$3,373 HKD
View
A
Retailer 6
-
HK$3,617 HKD
View
A
Retailer 7
-
HK$3,923 HKD
View
B+
Retailer 8
-
HK$4,080 HKD
View
A
Retailer 9
-
HK$4,158 HKD
View
B+
Retailer 10
-
HK$4,629 HKD
View
B+
Retailer 11
-
HK$4,786 HKD
View
B+
Retailer 12
-
HK$4,856 HKD
View
B
Retailer 13
-
HK$5,633 HKD
View
B
Retailer 14
-
HK$7,218 HKD
View
Most Expensive
B
NZ Jewellers
2fa79e66-87a0-4b32-8206-804d353d6a58 · Nov 4
HK$12,003 HKD
$1,530 USD
View
14 more retailers have this diamond
Prices start from HK$3,130 HKDSave up to HK$8,873 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.

A
0.51ct Round
HK$3,130 HKD