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1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 843680328

Shape and cutting style on the report: Round brilliant

Certificate IGI 843680328

Diamond specifications and retailer prices

From HK$8,237 HKD
As of November 1, 2026
Save HK$13,815 HKD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$22,053 HKD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

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 843680328. Listed at 15 retailers as of November 1, 2026, with prices from HK$8,237 to HK$22,053, a HK$13,815 spread on the same certified stone. NZ Jewellers lists it at HK$22,053. 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
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 843680328
Dimensions6.43 × 6.40 × 4.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.43 mm6.40 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 843680328
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 1
Current: HK$10,607 HKD|Low: HK$8,669 HKD|High: HK$12,694 HKD|Avg: HK$9,909 HKD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 2HK$8,669 HKD
Retailer 6HK$8,669 HKD
Retailer 3HK$8,677 HKD
Retailer 9HK$9,046 HKD
Retailer 10HK$9,383 HKD
Retailer 8HK$10,089 HKD
Retailer 5HK$10,591 HKD
Retailer 1HK$10,607 HKD
Retailer 7HK$11,030 HKD
Retailer 4HK$12,615 HKD

16 data points across 10 retailers

15 retailersHK$8,237 HKD to HK$22,053 HKD

A
Cheapest Retailer
-
HK$8,237 HKD
A
Retailer 2
-
HK$8,669 HKD
View
A
Retailer 3
-
HK$8,669 HKD
View
A
Retailer 4
-
HK$8,677 HKD
View
A
Retailer 5
-
HK$8,865 HKD
View
Retailer 6
-
HK$9,046 HKD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$9,046 HKD
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$9,383 HKD
View
Retailer 9
-
HK$9,391 HKD
View
Price last confirmed 8 days ago
A
Retailer 10
-
HK$10,089 HKD
View
B+
Retailer 11
-
HK$10,591 HKD
View
A
Retailer 12
-
HK$10,607 HKD
View
B+
Retailer 13
-
HK$11,030 HKD
View
A
Retailer 14
-
HK$12,615 HKD
View
Most Expensive
B
NZ Jewellers
a99e7a8a-d8b4-41cd-a0ea-3dc776b9a62e · Nov 2
HK$22,053 HKD
$2,811 USD
View
14 more retailers have this diamond
Prices start from HK$8,237 HKDSave up to HK$13,815 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$8,237 HKD