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1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 772672908

Shape and cutting style on the report: Round brilliant

Certificate IGI 772672908

Diamond specifications and retailer prices

From HK$9,712 HKD
As of November 4, 2026
Save HK$21,825 HKD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$31,538 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 772672908. Listed at 12 retailers as of November 2, 2026, with prices from HK$9,712 to HK$31,538, a HK$21,825 spread on the same certified stone. NZ Jewellers lists it at HK$31,538. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 772672908
Dimensions6.40 × 6.44 × 4.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.40 mm6.44 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 772672908
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.2%

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$14,890 HKD|Low: HK$9,697 HKD|High: HK$22,924 HKD|Avg: HK$14,279 HKD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 5HK$9,712 HKD
Retailer 3HK$11,470 HKD
Retailer 12HK$11,980 HKD
Retailer 10HK$12,003 HKD
Retailer 11HK$12,929 HKD
Retailer 4HK$13,109 HKD
Retailer 2HK$13,996 HKD
Retailer 6HK$14,498 HKD
Retailer 1HK$14,890 HKD
Retailer 9HK$15,777 HKD
Retailer 7HK$17,581 HKD
Retailer 8HK$22,641 HKD

27 data points across 12 retailers

12 retailersHK$9,712 HKD to HK$31,538 HKD

A
Cheapest Retailer
-
HK$9,712 HKD
A
Retailer 2
-
HK$11,980 HKD
View
A
Retailer 3
-
HK$12,003 HKD
View
Retailer 4
-
HK$12,929 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$13,996 HKD
View
B+
Retailer 6
-
HK$14,498 HKD
View
B+
Retailer 7
-
HK$14,890 HKD
View
B+
Retailer 8
-
HK$14,914 HKD
View
B+
Retailer 9
-
HK$15,777 HKD
View
B+
Retailer 10
-
HK$17,581 HKD
View
B
Retailer 11
-
HK$22,641 HKD
View
Most Expensive
C
NZ Jewellers
f71f03d1-b2ee-4a47-833a-e6b693c13220 · Nov 2
HK$31,538 HKD
$4,020 USD
View
11 more retailers have this diamond
Prices start from HK$9,712 HKDSave up to HK$21,825 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$9,712 HKD