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Round|Natural|GIA

0.51ct K I2 Round Natural Diamond

EX • K/I2 • GIA 6435018245

Certificate GIA 6435018245

Diamond specifications and retailer prices

From HK$2,887 HKD
As of November 5, 2026
Save HK$8,190 HKD (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$11,077 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 I2 clarity (included), with a top-tier cut grade and certified by GIA 6435018245. Listed at 6 retailers as of November 4, 2026, with prices from HK$2,887 to HK$11,077, a HK$8,190 spread on the same certified stone. NZ Jewellers lists it at HK$11,077. 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
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6435018245
Dimensions5.18 × 5.22 × 3.12 mm
L/W Ratio1.01
Top View
5.18 mm5.22 mm0.51 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435018245
Side View
Table 59.0%Crown 33.5°GirdlePavilion 40.8°Culet: NoneDepth 59.9%

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 5
Current: HK$11,077 HKD|Low: HK$2,887 HKD|High: HK$11,077 HKD|Avg: HK$4,626 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5HK$2,887 HKD
Retailer 4HK$3,115 HKD
Retailer 3HK$3,224 HKD
Retailer 7HK$3,248 HKD
Retailer 6HK$3,891 HKD
Retailer 2HK$5,248 HKD
NZ JewellersHK$11,077 HKD

19 data points across 7 retailers

6 retailersHK$2,887 HKD to HK$11,077 HKD

B+
Cheapest Retailer
-
HK$2,887 HKD
Retailer 2
-
HK$3,115 HKD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$3,224 HKD
View
B
Retailer 4
-
HK$3,891 HKD
View
B
Retailer 5
-
HK$5,248 HKD
View
Most Expensive
C
NZ Jewellers
4aa39cd8-961c-43bb-bd2b-a639e88a2684 · Nov 4
HK$11,077 HKD
$1,412 USD
View
5 more retailers have this diamond
Prices start from HK$2,887 HKDSave up to HK$8,190 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$2,887 HKD