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Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3555267943

Certificate GIA 3555267943

Diamond specifications and retailer prices

From HK$2,281 HKD
As of November 6, 2026
Save HK$4,922 HKD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$12,783 HKD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555267943. Listed at 19 retailers as of November 4, 2026, with a 216% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.45
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3555267943
Dimensions4.91 × 4.88 × 3.06 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather
Top View
4.91 mm4.88 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555267943
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.5%

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$3,362 HKD|Low: HK$2,281 HKD|High: HK$7,453 HKD|Avg: HK$4,329 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
Retailer 13
Retailer 14
November 6, 2026
Retailer 8HK$2,281 HKD
Retailer 6HK$2,704 HKD
Retailer 7HK$2,986 HKD
Retailer 1HK$3,362 HKD
Retailer 5HK$3,519 HKD
Retailer 11HK$4,021 HKD
Retailer 13HK$4,075 HKD
Retailer 10HK$4,146 HKD
Retailer 3HK$4,475 HKD
Retailer 14HK$4,781 HKD
Retailer 2HK$4,867 HKD
Retailer 12HK$5,188 HKD
Retailer 9HK$6,286 HKD
Retailer 4HK$7,203 HKD

17 data points across 14 retailers

19 retailersHK$2,281 HKD to HK$7,203 HKD

A
Cheapest Retailer
-
HK$2,281 HKD
A
Retailer 2
-
HK$2,704 HKD
View
A
Retailer 3
-
HK$2,986 HKD
View
Retailer 4
-
HK$3,339 HKD
View
Price last confirmed 50 days ago
A
Retailer 5
-
HK$3,362 HKD
View
Retailer 6
-
HK$3,448 HKD
View
Price last confirmed 43 days ago
A
Retailer 7
-
HK$3,519 HKD
View
Retailer 8
-
HK$3,848 HKD
View
Price last confirmed 45 days ago
A
Retailer 9
-
HK$4,021 HKD
View
A
Retailer 10
-
HK$4,075 HKD
View
A
Retailer 11
-
HK$4,146 HKD
View
B+
Retailer 12
-
HK$4,475 HKD
View
B+
Retailer 13
-
HK$4,781 HKD
View
B+
Retailer 14
-
HK$4,867 HKD
View
B+
Retailer 15
-
HK$5,188 HKD
View
Retailer 16
-
HK$5,345 HKD
View
Price last confirmed 35 days ago
B+
Retailer 17
-
HK$6,286 HKD
View
B
Retailer 18
-
HK$7,203 HKD
View
Most Expensive
NZ Jewellers
6525f37d-a6ae-4f37-aa50-faa9e5c1aac3 · Sep 21
HK$12,783 HKD
$1,631 USD
View
Price last confirmed 46 days ago
18 more retailers have this diamond
Prices start from HK$2,281 HKDSave up to HK$4,922 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
0.45ct Round
HK$2,281 HKD