Round|Natural|IGI

0.45ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 813687916

Shape and cutting style on the report: Round brilliant

Certificate IGI 813687916

Diamond specifications and retailer prices

From HK$1,309 HKD
As of November 6, 2026
Save HK$7,257 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,566 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 top-tier cut grade and certified by IGI 813687916. Listed at 14 retailers as of November 4, 2026, with prices from HK$1,309 to HK$8,566, a HK$7,257 spread on the same certified stone. NZ Jewellers lists it at HK$8,566. 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
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 813687916
Dimensions4.94 × 4.99 × 3.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.94 mm4.99 mm0.45 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 813687916
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.9%

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$8,566 HKD|Low: HK$1,309 HKD|High: HK$8,676 HKD|Avg: HK$3,143 HKD|-1.3%
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 6, 2026
Retailer 2HK$1,309 HKD
Retailer 5HK$1,889 HKD
Retailer 6HK$2,108 HKD
Retailer 12HK$2,116 HKD
Retailer 11HK$2,210 HKD
Retailer 3HK$2,437 HKD
Retailer 14HK$2,547 HKD
Retailer 10HK$2,735 HKD
Retailer 8HK$3,033 HKD
Retailer 9HK$3,253 HKD
Retailer 7HK$3,801 HKD
Retailer 4HK$4,279 HKD
Retailer 13HK$4,358 HKD
NZ JewellersHK$8,566 HKD

23 data points across 14 retailers

14 retailersHK$1,309 HKD to HK$8,566 HKD

A
Cheapest Retailer
-
HK$1,309 HKD
A
Retailer 2
-
HK$1,889 HKD
View
A
Retailer 3
-
HK$2,108 HKD
View
A
Retailer 4
-
HK$2,116 HKD
View
A
Retailer 5
-
HK$2,210 HKD
View
A
Retailer 6
-
HK$2,437 HKD
View
A
Retailer 7
-
HK$2,547 HKD
View
B+
Retailer 8
-
HK$2,735 HKD
View
B+
Retailer 9
-
HK$3,033 HKD
View
A
Retailer 10
-
HK$3,253 HKD
View
B+
Retailer 11
-
HK$3,801 HKD
View
B
Retailer 12
-
HK$4,279 HKD
View
B+
Retailer 13
-
HK$4,358 HKD
View
Most Expensive
B
NZ Jewellers
ad866bcd-340a-4b6b-b2f6-6286ce64cc9e · Nov 4
HK$8,566 HKD
$1,093 USD
View
13 more retailers have this diamond
Prices start from HK$1,309 HKDSave up to HK$7,257 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$1,309 HKD