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0.51ct K I1 Round Natural Diamond

EX • K/I1 • IGI 841682443

Shape and cutting style on the report: Round brilliant

Certificate IGI 841682443

Diamond specifications and retailer prices

From HK$1,106 HKD
As of November 6, 2026
Save HK$5,868 HKD (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$6,974 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 I1 clarity (included), with a top-tier cut grade and certified by IGI 841682443. Listed at 7 retailers as of November 4, 2026, with prices from HK$1,106 to HK$6,974, a HK$5,868 spread on the same certified stone. NZ Jewellers lists it at HK$6,974. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 841682443
Dimensions5.04 × 5.09 × 3.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.04 mm5.09 mm0.51 ctK / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 841682443
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 41°CuletDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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$6,974 HKD|Low: HK$1,106 HKD|High: HK$7,367 HKD|Avg: HK$2,686 HKD|-5.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2HK$1,106 HKD
Retailer 5HK$1,538 HKD
Retailer 7HK$1,702 HKD
Retailer 6HK$1,726 HKD
Retailer 3HK$2,071 HKD
Retailer 4HK$3,177 HKD
NZ JewellersHK$6,974 HKD

20 data points across 7 retailers

7 retailersHK$1,106 HKD to HK$6,974 HKD

A
Cheapest Retailer
-
HK$1,106 HKD
B+
Retailer 2
-
HK$1,538 HKD
View
Retailer 3
-
HK$1,702 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$1,726 HKD
View
B+
Retailer 5
-
HK$2,071 HKD
View
B+
Retailer 6
-
HK$3,177 HKD
View
Most Expensive
C
NZ Jewellers
802c2830-9604-430e-b256-7e4d11f6f2de · Nov 4
HK$6,974 HKD
$889 USD
View
6 more retailers have this diamond
Prices start from HK$1,106 HKDSave up to HK$5,868 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$1,106 HKD