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Round|Natural|IGI

0.51ct K IF Round Natural Diamond

EX • K/IF • IGI 502190811

Shape and cutting style on the report: Round brilliant

Certificate IGI 502190811

Diamond specifications and retailer prices

From HK$4,146 HKD
As of November 4, 2026
Save HK$4,742 HKD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$14,766 HKD at NZ Jewellers · As of October 17, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 502190811. Listed at 14 retailers as of November 4, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 502190811
Dimensions5.12 × 5.16 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
5.12 mm5.16 mm0.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 502190811
Side View
Table 59.5%Crown 34.4°GirdlePavilion 41.5°Culet: NoneDepth 61.5%

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 4
Current: HK$4,930 HKD|Low: HK$4,201 HKD|High: HK$9,005 HKD|Avg: HK$5,619 HKD|+6.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7HK$4,201 HKD
Retailer 2HK$4,671 HKD
Retailer 1HK$4,930 HKD
Retailer 6HK$5,447 HKD
Retailer 5HK$5,768 HKD
Retailer 3HK$5,972 HKD
Retailer 4HK$8,888 HKD

34 data points across 7 retailers

14 retailersHK$4,146 HKD to HK$8,888 HKD

Retailer 1
-
HK$3,856 HKD
Price last confirmed 20 days ago
Retailer 2
-
HK$4,146 HKD
View
Price last confirmed 21 days ago
A
Retailer 3
-
HK$4,146 HKD
View
Retailer 4
-
HK$4,146 HKD
View
Price last confirmed 22 days ago
Retailer 5
-
HK$4,146 HKD
View
Price last confirmed 8 days ago
Retailer 6
-
HK$4,444 HKD
View
Price last confirmed 19 days ago
A
Retailer 7
-
HK$4,671 HKD
View
B+
Retailer 8
-
HK$4,875 HKD
View
B+
Retailer 9
-
HK$4,930 HKD
View
B+
Retailer 10
-
HK$5,447 HKD
View
B+
Retailer 11
-
HK$5,768 HKD
View
B+
Retailer 12
-
HK$5,972 HKD
View
B
Retailer 13
-
HK$8,888 HKD
View
Most Expensive
NZ Jewellers
7572497d-371a-432a-b957-4212bf7a4aaf · Oct 17
HK$14,766 HKD
$1,884 USD
View
Price last confirmed 20 days ago
13 more retailers have this diamond
Prices start from HK$4,146 HKDSave up to HK$4,742 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$4,146 HKD