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Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1548725237

Certificate GIA 1548725237

Diamond specifications and retailer prices

From HK$15,643 HKD
As of November 6, 2026
Save HK$28,230 HKD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$43,874 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1548725237. Listed at 18 retailers as of November 5, 2026, with prices from HK$15,643 to HK$43,874, a HK$28,230 spread on the same certified stone. NZ Jewellers lists it at HK$43,874. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1548725237
Dimensions6.44 × 6.48 × 4.08 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Knot, Needle
Top View
6.44 mm6.48 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548725237
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.1%

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$20,079 HKD|Low: HK$15,448 HKD|High: HK$37,204 HKD|Avg: HK$22,069 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8HK$15,643 HKD
Retailer 11HK$17,172 HKD
Retailer 9HK$17,203 HKD
Retailer 10HK$17,540 HKD
Retailer 3HK$19,891 HKD
Retailer 1HK$20,079 HKD
Retailer 4HK$22,078 HKD
Retailer 2HK$23,504 HKD
Retailer 7HK$23,591 HKD
Retailer 5HK$25,613 HKD
Retailer 6HK$36,663 HKD

41 data points across 11 retailers

18 retailersHK$15,643 HKD to HK$43,874 HKD

A
Cheapest Retailer
-
HK$15,643 HKD
A
Retailer 2
-
HK$17,172 HKD
View
A
Retailer 3
-
HK$17,203 HKD
View
A
Retailer 4
-
HK$17,540 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$19,014 HKD
View
Retailer 6
-
HK$19,014 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$19,891 HKD
View
B+
Retailer 8
-
HK$20,079 HKD
View
B+
Retailer 9
-
HK$21,866 HKD
View
B+
Retailer 10
-
HK$21,866 HKD
View
B+
Retailer 11
-
HK$21,937 HKD
View
B+
Retailer 12
-
HK$22,078 HKD
View
B+
Retailer 13
-
HK$22,572 HKD
View
Retailer 14
-
HK$23,504 HKD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
HK$23,591 HKD
View
B+
Retailer 16
-
HK$25,613 HKD
View
B
Retailer 17
-
HK$36,663 HKD
View
Most Expensive
B
NZ Jewellers
c21700ea-8b83-4934-b62a-871d0c649982 · Nov 5
HK$43,874 HKD
$5,598 USD
View
17 more retailers have this diamond
Prices start from HK$15,643 HKDSave up to HK$28,230 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$15,643 HKD