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Round|Natural|GIA

0.45ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2468181965

Certificate GIA 2468181965

Diamond specifications and retailer prices

From HK$1,810 HKD
As of November 6, 2026
Save HK$4,138 HKD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$10,698 HKD at NZ Jewellers · As of September 28, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2468181965. Listed at 16 retailers as of November 1, 2026, with a 229% 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2468181965
Dimensions4.90 × 4.86 × 3.07 mm
L/W Ratio1.01
Key to symbols
Feather, Twinning Wisp
Top View
4.90 mm4.86 mm0.45 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2468181965
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$1,810 HKD|Low: HK$1,810 HKD|High: HK$6,145 HKD|Avg: HK$3,517 HKD|-6.9%
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
November 6, 2026
Retailer 1HK$1,810 HKD
Retailer 12HK$1,952 HKD
Retailer 3HK$2,202 HKD
Retailer 13HK$2,414 HKD
Retailer 7HK$2,704 HKD
Retailer 4HK$2,939 HKD
Retailer 8HK$3,166 HKD
Retailer 10HK$3,378 HKD
Retailer 6HK$3,519 HKD
Retailer 2HK$3,895 HKD
Retailer 9HK$4,232 HKD
Retailer 11HK$4,232 HKD
Retailer 5HK$5,949 HKD

23 data points across 13 retailers

16 retailersHK$1,810 HKD to HK$5,949 HKD

A
Cheapest Retailer
-
HK$1,810 HKD
A
Retailer 2
-
HK$1,952 HKD
View
A
Retailer 3
-
HK$2,202 HKD
View
A
Retailer 4
-
HK$2,414 HKD
View
A
Retailer 5
-
HK$2,704 HKD
View
A
Retailer 6
-
HK$2,939 HKD
View
Retailer 7
-
HK$3,111 HKD
View
Price last confirmed 38 days ago
A
Retailer 8
-
HK$3,166 HKD
View
A
Retailer 9
-
HK$3,378 HKD
View
B+
Retailer 10
-
HK$3,519 HKD
View
Retailer 11
-
HK$3,754 HKD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
HK$3,895 HKD
View
B+
Retailer 13
-
HK$4,232 HKD
View
B+
Retailer 14
-
HK$4,232 HKD
View
B
Retailer 15
-
HK$5,949 HKD
View
Most Expensive
NZ Jewellers
06052c80-4d99-45f9-b35b-e860b868b288 · Sep 28
HK$10,698 HKD
$1,365 USD
View
Price last confirmed 39 days ago
15 more retailers have this diamond
Prices start from HK$1,810 HKDSave up to HK$4,138 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$1,810 HKD