Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6361287107

Certificate GIA 6361287107

Diamond specifications and retailer prices

From HK$2,275 HKD
As of November 4, 2026
Save HK$7,359 HKD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,838 HKD at NZ Jewellers · As of September 15, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6361287107. Listed at 15 retailers as of November 4, 2026, with a 323% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6361287107
Dimensions4.88 × 4.85 × 3.06 mm
L/W Ratio1.01
Top View
4.88 mm4.85 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6361287107
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

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 4
Current: HK$9,634 HKD|Low: HK$2,275 HKD|High: HK$9,634 HKD|Avg: HK$3,740 HKD
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
November 5, 2026
Retailer 3HK$2,275 HKD
Retailer 14HK$2,393 HKD
Retailer 11HK$2,448 HKD
Retailer 10HK$2,542 HKD
Retailer 5HK$2,746 HKD
Retailer 8HK$2,965 HKD
Retailer 4HK$3,067 HKD
Retailer 13HK$3,232 HKD
Retailer 12HK$3,436 HKD
Retailer 7HK$3,781 HKD
Retailer 6HK$3,907 HKD
Retailer 2HK$4,676 HKD
Retailer 9HK$5,837 HKD
NZ JewellersHK$9,634 HKD

26 data points across 14 retailers

15 retailersHK$2,275 HKD to HK$9,634 HKD

A
Cheapest Retailer
-
HK$2,275 HKD
Retailer 2
-
HK$2,322 HKD
View
Price last confirmed 51 days ago
Retailer 3
-
HK$2,393 HKD
View
Price last confirmed 26 days ago
Retailer 4
-
HK$2,448 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,542 HKD
View
A
Retailer 6
-
HK$2,965 HKD
View
A
Retailer 7
-
HK$3,067 HKD
View
Retailer 8
-
HK$3,130 HKD
View
Price last confirmed 53 days ago
A
Retailer 9
-
HK$3,232 HKD
View
B+
Retailer 10
-
HK$3,436 HKD
View
B+
Retailer 11
-
HK$3,781 HKD
View
B+
Retailer 12
-
HK$4,676 HKD
View
Retailer 13
-
HK$5,837 HKD
View
Price last confirmed 8 days ago
B
Retailer 14
-
HK$9,634 HKD
View
Most Expensive
NZ Jewellers
2e5a8446-3ba5-42fd-a424-8d63812379a4 · Sep 15
HK$9,838 HKD
$1,254 USD
View
Price last confirmed 52 days ago
14 more retailers have this diamond
Prices start from HK$2,275 HKDSave up to HK$7,359 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$2,275 HKD