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1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 826681826

Shape and cutting style on the report: Round brilliant

Certificate IGI 826681826

Diamond specifications and retailer prices

From HK$17,775 HKD
As of November 6, 2026
Save HK$23,363 HKD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$41,139 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 826681826. Listed at 18 retailers as of November 5, 2026, with prices from HK$17,775 to HK$41,139, a HK$23,363 spread on the same certified stone. NZ Jewellers lists it at HK$41,139. 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

1.05
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 826681826
Dimensions6.42 × 6.46 × 4.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.42 mm6.46 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 826681826
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 41.5°CuletDepth 63.5%

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$41,139 HKD|Low: HK$17,775 HKD|High: HK$41,139 HKD|Avg: HK$23,838 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
November 6, 2026
Retailer 6HK$17,775 HKD
Retailer 4HK$17,791 HKD
Retailer 11HK$18,159 HKD
Retailer 5HK$19,648 HKD
Retailer 14HK$19,680 HKD
Retailer 12HK$20,589 HKD
Retailer 2HK$21,067 HKD
Retailer 3HK$22,705 HKD
Retailer 7HK$22,940 HKD
Retailer 8HK$23,285 HKD
Retailer 9HK$24,014 HKD
Retailer 13HK$27,729 HKD
Retailer 10HK$34,383 HKD
NZ JewellersHK$41,139 HKD

41 data points across 14 retailers

18 retailersHK$17,775 HKD to HK$41,139 HKD

A
Cheapest Retailer
-
HK$17,775 HKD
A
Retailer 2
-
HK$17,791 HKD
View
A
Retailer 3
-
HK$18,159 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$19,648 HKD
View
B+
Retailer 5
-
HK$19,680 HKD
View
Retailer 6
-
HK$19,680 HKD
View
Price last confirmed 56 days ago
B+
Retailer 7
-
HK$20,589 HKD
View
B+
Retailer 8
-
HK$20,777 HKD
View
B+
Retailer 9
-
HK$21,067 HKD
View
Retailer 10
-
HK$22,705 HKD
View
Price last confirmed 60 days ago
B+
Retailer 11
-
HK$22,705 HKD
View
B+
Retailer 12
-
HK$22,940 HKD
View
B+
Retailer 13
-
HK$23,285 HKD
View
B+
Retailer 14
-
HK$24,014 HKD
View
B
Retailer 15
-
HK$27,729 HKD
View
B
Retailer 16
-
HK$34,383 HKD
View
Retailer 17
-
HK$41,139 HKD
View
Price last confirmed 57 days ago
Most Expensive
B
NZ Jewellers
19af69cb-3516-48f6-ab75-96d7b98d24ed · Nov 5
HK$41,139 HKD
$5,249 USD
View
17 more retailers have this diamond
Prices start from HK$17,775 HKDSave up to HK$23,363 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
1.05ct Round
HK$17,775 HKD