Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1539173361

Certificate GIA 1539173361

Diamond specifications and retailer prices

From HK$3,691 HKD
As of November 6, 2026
Save HK$10,079 HKD (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$13,770 HKD at NZ Jewellers · As of November 4, 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 1539173361. Listed at 17 retailers as of November 4, 2026, with prices from HK$3,691 to HK$13,770, a HK$10,079 spread on the same certified stone. NZ Jewellers lists it at HK$13,770. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1539173361
Dimensions4.91 × 4.93 × 3.05 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.91 mm4.93 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539173361
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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$4,804 HKD|Low: HK$4,546 HKD|High: HK$10,259 HKD|Avg: HK$6,441 HKD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1HK$4,804 HKD
Retailer 7HK$4,898 HKD
Retailer 5HK$5,565 HKD
Retailer 2HK$6,482 HKD
Retailer 6HK$6,599 HKD
Retailer 4HK$6,803 HKD
Retailer 3HK$10,126 HKD

44 data points across 7 retailers

17 retailersHK$3,691 HKD to HK$13,770 HKD

A
Cheapest Retailer
-
HK$3,691 HKD
A
Retailer 2
-
HK$3,981 HKD
View
A
Retailer 3
-
HK$4,138 HKD
View
Retailer 4
-
HK$4,287 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$4,287 HKD
View
B+
Retailer 6
-
HK$4,593 HKD
View
B+
Retailer 7
-
HK$4,804 HKD
View
B+
Retailer 8
-
HK$4,875 HKD
View
B+
Retailer 9
-
HK$4,938 HKD
View
B+
Retailer 10
-
HK$4,938 HKD
View
B+
Retailer 11
-
HK$5,094 HKD
View
B
Retailer 12
-
HK$5,565 HKD
View
B+
Retailer 13
-
HK$6,482 HKD
View
Retailer 14
-
HK$6,599 HKD
View
Price last confirmed 33 days ago
B
Retailer 15
-
HK$6,803 HKD
View
B
Retailer 16
-
HK$10,126 HKD
View
Most Expensive
B
NZ Jewellers
160f74b9-cc40-462d-ab1a-a4f7c15d4546 · Nov 4
HK$13,770 HKD
$1,757 USD
View
16 more retailers have this diamond
Prices start from HK$3,691 HKDSave up to HK$10,079 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$3,691 HKD