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Round|Natural|IGI

0.51ct K SI2 Round Natural Diamond

VG • K/SI2 • IGI 660497001

Shape and cutting style on the report: Round brilliant

Certificate IGI 660497001

Diamond specifications and retailer prices

From HK$1,985 HKD
As of November 5, 2026
Save HK$6,998 HKD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$8,983 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 660497001. Listed at 10 retailers as of November 4, 2026, with prices from HK$1,985 to HK$8,983, a HK$6,998 spread on the same certified stone. NZ Jewellers lists it at HK$8,983. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle34°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 660497001
Dimensions5.07 × 5.05 × 3.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.07 mm5.05 mm0.51 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 660497001
Side View
Table 58.0%Crown 34°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 61.6%

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$2,079 HKD|Low: HK$2,048 HKD|High: HK$4,629 HKD|Avg: HK$3,054 HKD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 4HK$2,063 HKD
Retailer 1HK$2,079 HKD
Retailer 5HK$2,675 HKD
Retailer 8HK$2,973 HKD
Retailer 7HK$3,005 HKD
Retailer 3HK$3,421 HKD
Retailer 6HK$3,601 HKD
Retailer 2HK$4,566 HKD

22 data points across 8 retailers

10 retailersHK$1,985 HKD to HK$8,983 HKD

B+
Cheapest Retailer
-
HK$1,985 HKD
B+
Retailer 2
-
HK$2,079 HKD
View
Retailer 3
-
HK$2,134 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$2,212 HKD
View
B+
Retailer 5
-
HK$2,667 HKD
View
B+
Retailer 6
-
HK$2,675 HKD
View
B+
Retailer 7
-
HK$3,005 HKD
View
B+
Retailer 8
-
HK$3,421 HKD
View
B+
Retailer 9
-
HK$4,566 HKD
View
Most Expensive
C
NZ Jewellers
57bb5c08-ad8c-44d9-9924-1c4132c678f2 · Nov 4
HK$8,983 HKD
$1,145 USD
View
9 more retailers have this diamond
Prices start from HK$1,985 HKDSave up to HK$6,998 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$1,985 HKD