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1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 754512609

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512609

Diamond specifications and retailer prices

From HK$13,104 HKD
As of November 6, 2026
Save HK$22,164 HKD (63%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$35,268 HKD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 754512609. Listed at 21 retailers as of November 5, 2026, with prices from HK$13,104 to HK$35,268, a HK$22,164 spread on the same certified stone. NZ Jewellers lists it at HK$35,268. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 754512609
Dimensions6.49 × 6.53 × 3.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.49 mm6.53 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512609
Side View
Table 59.0%Crown 31.4°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.3%

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$35,268 HKD|Low: HK$13,104 HKD|High: HK$35,268 HKD|Avg: HK$19,456 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 2HK$13,104 HKD
Retailer 10HK$14,813 HKD
Retailer 9HK$15,236 HKD
Retailer 11HK$15,565 HKD
Retailer 18HK$15,722 HKD
Retailer 13HK$16,137 HKD
Retailer 5HK$16,866 HKD
Retailer 7HK$16,866 HKD
Retailer 21HK$17,007 HKD
Retailer 3HK$17,140 HKD
Retailer 6HK$17,650 HKD
Retailer 4HK$17,955 HKD
Retailer 8HK$18,528 HKD
Retailer 19HK$18,535 HKD
Retailer 16HK$19,358 HKD
Retailer 12HK$19,460 HKD
Retailer 17HK$20,589 HKD
Retailer 15HK$22,399 HKD
Retailer 14HK$25,323 HKD
Retailer 20HK$29,469 HKD
NZ JewellersHK$35,268 HKD

21 data points across 21 retailers

21 retailersHK$13,104 HKD to HK$35,268 HKD

A
Cheapest Retailer
-
HK$13,104 HKD
A
Retailer 2
-
HK$14,813 HKD
View
A
Retailer 3
-
HK$15,236 HKD
View
A
Retailer 4
-
HK$15,565 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$15,722 HKD
View
A
Retailer 6
-
HK$16,137 HKD
View
A
Retailer 7
-
HK$16,866 HKD
View
Retailer 8
-
HK$16,866 HKD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$17,007 HKD
View
A
Retailer 10
-
HK$17,140 HKD
View
A
Retailer 11
-
HK$17,650 HKD
View
B+
Retailer 12
-
HK$17,955 HKD
View
B+
Retailer 13
-
HK$18,528 HKD
View
A
Retailer 14
-
HK$18,535 HKD
View
B+
Retailer 15
-
HK$19,358 HKD
View
B+
Retailer 16
-
HK$19,460 HKD
View
B+
Retailer 17
-
HK$20,589 HKD
View
B+
Retailer 18
-
HK$22,399 HKD
View
B
Retailer 19
-
HK$25,323 HKD
View
B
Retailer 20
-
HK$29,469 HKD
View
Most Expensive
B
NZ Jewellers
8a27d3b3-6ae1-4384-927b-ca29b6703e37 · Nov 5
HK$35,268 HKD
$4,500 USD
View
20 more retailers have this diamond
Prices start from HK$13,104 HKDSave up to HK$22,164 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$13,104 HKD