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Round|Natural|IGI

0.30ct K SI1 Round Natural Diamond

VG • K/SI1 • IGI 815638728

Shape and cutting style on the report: Round brilliant

Certificate IGI 815638728

Diamond specifications and retailer prices

From HK$863 HKD
As of November 4, 2026
Save HK$4,840 HKD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$5,703 HKD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815638728. Listed at 16 retailers as of November 4, 2026, with prices from HK$863 to HK$5,703, a HK$4,840 spread on the same certified stone. NZ Jewellers lists it at HK$5,703. 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

0.30
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.7°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 815638728
Dimensions4.25 × 4.28 × 2.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.25 mm4.28 mm0.30 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815638728
Side View
Table 56.0%Crown 33.7°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 61.4%

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 4
Current: HK$2,526 HKD|Low: HK$863 HKD|High: HK$2,934 HKD|Avg: HK$1,868 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4HK$863 HKD
Retailer 6HK$1,294 HKD
Retailer 9HK$1,404 HKD
Retailer 10HK$1,522 HKD
Retailer 2HK$1,695 HKD
Retailer 3HK$1,844 HKD
Retailer 5HK$1,953 HKD
Retailer 8HK$2,330 HKD
Retailer 1HK$2,526 HKD
Retailer 7HK$2,895 HKD

41 data points across 10 retailers

16 retailersHK$863 HKD to HK$5,703 HKD

A
Cheapest Retailer
-
HK$863 HKD
B+
Retailer 2
-
HK$1,255 HKD
View
B+
Retailer 3
-
HK$1,294 HKD
View
Retailer 4
-
HK$1,357 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$1,404 HKD
View
B+
Retailer 6
-
HK$1,522 HKD
View
B+
Retailer 7
-
HK$1,577 HKD
View
B+
Retailer 8
-
HK$1,695 HKD
View
B+
Retailer 9
-
HK$1,844 HKD
View
B+
Retailer 10
-
HK$1,953 HKD
View
B+
Retailer 11
-
HK$2,275 HKD
View
B+
Retailer 12
-
HK$2,330 HKD
View
B+
Retailer 13
-
HK$2,526 HKD
View
B
Retailer 14
-
HK$2,895 HKD
View
B
Retailer 15
-
HK$2,942 HKD
View
Most Expensive
C
NZ Jewellers
3c22a5fe-8b57-4ff8-b232-2a8df9a8565b · Nov 4
HK$5,703 HKD
$727 USD
View
15 more retailers have this diamond
Prices start from HK$863 HKDSave up to HK$4,840 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
0.30ct Round
HK$863 HKD