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Round|Natural|GIA

0.45ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 6381753831

Certificate GIA 6381753831

Diamond specifications and retailer prices

From HK$2,461 HKD
As of November 4, 2026
Save HK$7,939 HKD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$10,400 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6381753831. Listed at 15 retailers as of November 4, 2026, with prices from HK$2,461 to HK$10,400, a HK$7,939 spread on the same certified stone. NZ Jewellers lists it at HK$10,400. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.45
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6381753831
Dimensions4.80 × 4.77 × 3.09 mm
L/W Ratio1.01
Top View
4.80 mm4.77 mm0.45 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6381753831
Side View
Table 55.0%Crown 38.5°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 64.6%

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 4
Current: HK$10,400 HKD|Low: HK$2,461 HKD|High: HK$10,400 HKD|Avg: HK$3,924 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
Retailer 15
Retailer 16
November 5, 2026
Retailer 5HK$2,461 HKD
Retailer 11HK$2,469 HKD
Retailer 16HK$2,649 HKD
Retailer 14HK$2,743 HKD
Retailer 8HK$2,978 HKD
Retailer 15HK$3,151 HKD
Retailer 7HK$3,174 HKD
Retailer 6HK$3,307 HKD
Retailer 4HK$3,409 HKD
Retailer 3HK$3,731 HKD
Retailer 9HK$4,028 HKD
Retailer 13HK$4,193 HKD
Retailer 10HK$4,224 HKD
Retailer 2HK$4,985 HKD
Retailer 12HK$6,254 HKD
NZ JewellersHK$10,400 HKD

33 data points across 16 retailers

15 retailersHK$2,461 HKD to HK$10,400 HKD

A
Cheapest Retailer
-
HK$2,461 HKD
A
Retailer 2
-
HK$2,469 HKD
View
Retailer 3
-
HK$2,649 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$2,743 HKD
View
B+
Retailer 5
-
HK$3,151 HKD
View
B+
Retailer 6
-
HK$3,174 HKD
View
B+
Retailer 7
-
HK$3,307 HKD
View
B+
Retailer 8
-
HK$3,409 HKD
View
B+
Retailer 9
-
HK$3,731 HKD
View
B+
Retailer 10
-
HK$4,028 HKD
View
B
Retailer 11
-
HK$4,193 HKD
View
B+
Retailer 12
-
HK$4,224 HKD
View
B
Retailer 13
-
HK$4,985 HKD
View
B
Retailer 14
-
HK$6,254 HKD
View
Most Expensive
C
NZ Jewellers
4b62d1b1-7972-4fc0-8517-acb5d204728c · Nov 4
HK$10,400 HKD
$1,327 USD
View
14 more retailers have this diamond
Prices start from HK$2,461 HKDSave up to HK$7,939 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$2,461 HKD