Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6462343742

Certificate GIA 6462343742

Diamond specifications and retailer prices

From HK$2,571 HKD
As of November 6, 2026
Save HK$5,698 HKD (69%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$13,747 HKD at NZ Jewellers · As of September 24, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6462343742. Listed at 24 retailers as of November 4, 2026, with a 222% 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6462343742
Dimensions4.93 × 4.91 × 3.05 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.93 mm4.91 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6462343742
Side View
Table 57.0%Crown 33.5°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$2,571 HKD|Low: HK$2,571 HKD|High: HK$9,844 HKD|Avg: HK$5,318 HKD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 1HK$2,571 HKD
Retailer 3HK$3,644 HKD
Retailer 10HK$3,864 HKD
Retailer 7HK$4,397 HKD
Retailer 6HK$4,577 HKD
Retailer 12HK$5,079 HKD
Retailer 5HK$5,110 HKD
Retailer 11HK$5,212 HKD
Retailer 8HK$5,588 HKD
Retailer 4HK$5,745 HKD
Retailer 2HK$7,532 HKD
Retailer 9HK$8,268 HKD

35 data points across 12 retailers

24 retailersHK$2,571 HKD to HK$8,268 HKD

A
Cheapest Retailer
-
HK$2,571 HKD
Retailer 2
-
HK$3,010 HKD
View
Price last confirmed 63 days ago
B+
Retailer 3
-
HK$3,394 HKD
View
Retailer 4
-
HK$3,590 HKD
View
Price last confirmed 44 days ago
Retailer 5
-
HK$3,644 HKD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
HK$3,660 HKD
View
Retailer 7
-
HK$3,864 HKD
View
Price last confirmed 22 days ago
Retailer 8
-
HK$3,864 HKD
View
Price last confirmed 21 days ago
Retailer 9
-
HK$4,138 HKD
View
Price last confirmed 45 days ago
B+
Retailer 10
-
HK$4,138 HKD
View
Retailer 11
-
HK$4,138 HKD
View
Price last confirmed 17 days ago
B+
Retailer 12
-
HK$4,397 HKD
View
B
Retailer 13
-
HK$4,577 HKD
View
B
Retailer 14
-
HK$4,608 HKD
View
B+
Retailer 15
-
HK$5,079 HKD
View
B+
Retailer 16
-
HK$5,110 HKD
View
B
Retailer 17
-
HK$5,212 HKD
View
B
Retailer 18
-
HK$5,588 HKD
View
Retailer 19
-
HK$5,745 HKD
View
Price last confirmed 34 days ago
Retailer 20
-
HK$7,532 HKD
View
Price last confirmed 15 days ago
B
Retailer 21
-
HK$8,268 HKD
View
Retailer 22
-
HK$13,747 HKD
View
Price under review
Retailer 23
-
HK$13,747 HKD
View
Price under review
Most Expensive
NZ Jewellers
746b554b-41c4-492a-92ed-7d2cb9ab3608 · Sep 24
HK$13,747 HKD
$1,754 USD
View
Price under review
23 more retailers have this diamond
Prices start from HK$2,571 HKDSave up to HK$5,698 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$2,571 HKD