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1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 747534602

Shape and cutting style on the report: Round brilliant

Certificate IGI 747534602

Diamond specifications and retailer prices

From HK$7,280 HKD
As of November 6, 2026
Save HK$27,960 HKD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$48,293 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 747534602. Listed at 13 retailers as of November 5, 2026, with a 384% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 747534602
Dimensions6.46 × 6.54 × 3.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.46 mm6.54 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 747534602
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 41.4°Culet: NoneDepth 60.8%

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$48,293 HKD|Low: HK$7,280 HKD|High: HK$48,293 HKD|Avg: HK$14,610 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2HK$7,280 HKD
Retailer 4HK$8,826 HKD
Retailer 7HK$12,584 HKD
Retailer 5HK$12,615 HKD
Retailer 12HK$26,658 HKD
Retailer 11HK$27,694 HKD
Retailer 10HK$27,780 HKD
Retailer 3HK$28,878 HKD
Retailer 8HK$29,984 HKD
Retailer 9HK$33,319 HKD
Retailer 6HK$35,241 HKD
MOH LondonHK$48,293 HKD

41 data points across 12 retailers

13 retailersHK$7,280 HKD to HK$35,241 HKD

A
Cheapest Retailer
-
HK$7,280 HKD
A
Retailer 2
-
HK$8,826 HKD
View
A
Retailer 3
-
HK$10,120 HKD
View
A
Retailer 4
-
HK$12,584 HKD
View
B+
Retailer 5
-
HK$12,615 HKD
View
B
Retailer 6
-
HK$26,658 HKD
View
B
Retailer 7
-
HK$27,694 HKD
View
B
Retailer 8
-
HK$27,780 HKD
View
B
Retailer 9
-
HK$28,878 HKD
View
B
Retailer 10
-
HK$29,984 HKD
View
B
Retailer 11
-
HK$33,319 HKD
View
C
Retailer 12
-
HK$35,241 HKD
View
Most Expensive
MOH London
6F4DCA684 · Nov 2
HK$48,293 HKD
£4,847 GBP
View
Price under review
12 more retailers have this diamond
Prices start from HK$7,280 HKDSave up to HK$27,960 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
1.03ct Round
HK$7,280 HKD