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Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1533989187

Certificate GIA 1533989187

Diamond specifications and retailer prices

From HK$1,622 HKD
As of November 6, 2026
Save HK$8,652 HKD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$10,275 HKD at NZ Jewellers · As of November 6, 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 1533989187. Listed at 21 retailers as of November 6, 2026, with prices from HK$1,622 to HK$10,275, a HK$8,652 spread on the same certified stone. NZ Jewellers lists it at HK$10,275. 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
SymmetryVery Good
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1533989187
Dimensions4.92 × 4.86 × 3.03 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather
Top View
4.92 mm4.86 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1533989187
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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$10,275 HKD|Low: HK$1,622 HKD|High: HK$10,541 HKD|Avg: HK$3,444 HKD|-1.3%
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
November 6, 2026
Retailer 13HK$1,622 HKD
Retailer 19HK$1,771 HKD
Retailer 11HK$2,006 HKD
Retailer 7HK$2,241 HKD
Retailer 15HK$2,453 HKD
Retailer 10HK$2,508 HKD
Retailer 12HK$2,531 HKD
Retailer 2HK$2,618 HKD
Retailer 5HK$2,673 HKD
Retailer 16HK$2,806 HKD
Retailer 8HK$3,017 HKD
Retailer 18HK$3,135 HKD
Retailer 9HK$3,386 HKD
Retailer 3HK$3,488 HKD
Retailer 17HK$3,872 HKD
Retailer 6HK$3,997 HKD
Retailer 14HK$4,507 HKD
Retailer 4HK$5,165 HKD
NZ JewellersHK$10,275 HKD

14 data points across 19 retailers

21 retailersHK$1,622 HKD to HK$10,275 HKD

A
Cheapest Retailer
-
HK$1,622 HKD
A
Retailer 2
-
HK$1,771 HKD
View
A
Retailer 3
-
HK$2,006 HKD
View
A
Retailer 4
-
HK$2,241 HKD
View
A
Retailer 5
-
HK$2,453 HKD
View
Retailer 6
-
HK$2,508 HKD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$2,531 HKD
View
A
Retailer 8
-
HK$2,618 HKD
View
A
Retailer 9
-
HK$2,673 HKD
View
A
Retailer 10
-
HK$2,806 HKD
View
Retailer 11
-
HK$2,939 HKD
View
Price last confirmed 51 days ago
A
Retailer 12
-
HK$3,017 HKD
View
A
Retailer 13
-
HK$3,135 HKD
View
Retailer 14
-
HK$3,386 HKD
View
Price last confirmed 7 days ago
A
Retailer 15
-
HK$3,488 HKD
View
A
Retailer 16
-
HK$3,872 HKD
View
A
Retailer 17
-
HK$3,997 HKD
View
Retailer 18
-
HK$4,311 HKD
View
Price last confirmed 38 days ago
B+
Retailer 19
-
HK$4,507 HKD
View
B+
Retailer 20
-
HK$5,165 HKD
View
Most Expensive
C
NZ Jewellers
557ebd78-ab8e-40a9-ac6c-43c110e4162f · Nov 6
HK$10,275 HKD
$1,311 USD
View
20 more retailers have this diamond
Prices start from HK$1,622 HKDSave up to HK$8,652 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$1,622 HKD