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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1519052866

Certificate GIA 1519052866

Diamond specifications and retailer prices

From HK$23,285 HKD
As of November 6, 2026
Save HK$25,051 HKD (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$48,336 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 GIA 1519052866. Listed at 18 retailers as of November 5, 2026, with prices from HK$23,285 to HK$48,336, a HK$25,051 spread on the same certified stone. Diamond Quarter lists it at HK$48,336. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1519052866
Dimensions6.52 × 6.49 × 4.04 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
6.52 mm6.49 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1519052866
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$25,103 HKD|Low: HK$23,669 HKD|High: HK$44,399 HKD|Avg: HK$29,359 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7HK$23,669 HKD
Retailer 8HK$24,210 HKD
Retailer 1HK$25,103 HKD
Retailer 2HK$26,976 HKD
Retailer 9HK$28,019 HKD
Retailer 4HK$30,456 HKD
Retailer 3HK$30,472 HKD
Retailer 5HK$32,016 HKD
Retailer 6HK$43,748 HKD

34 data points across 9 retailers

18 retailersHK$23,285 HKD to HK$48,336 HKD

B+
Cheapest Retailer
-
HK$23,285 HKD
B+
Retailer 2
-
HK$23,669 HKD
View
B+
Retailer 3
-
HK$24,210 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$25,103 HKD
View
B+
Retailer 5
-
HK$25,354 HKD
View
Retailer 6
-
HK$26,232 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$26,232 HKD
View
B+
Retailer 8
-
HK$26,976 HKD
View
B+
Retailer 9
-
HK$27,243 HKD
View
Retailer 10
-
HK$28,019 HKD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
HK$28,983 HKD
View
B
Retailer 12
-
HK$30,268 HKD
View
B+
Retailer 13
-
HK$30,456 HKD
View
B+
Retailer 14
-
HK$30,472 HKD
View
B
Retailer 15
-
HK$32,016 HKD
View
B
Retailer 16
-
HK$43,748 HKD
View
B
Retailer 17
-
HK$45,700 HKD
View
Most Expensive
B
Diamond Quarter
1.05SI1H1566220DN · Nov 5
HK$48,336 HKD
£4,856 GBP
View
17 more retailers have this diamond
Prices start from HK$23,285 HKDSave up to HK$25,051 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.

B+
1.05ct Round
HK$23,285 HKD