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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 $301 NZD
As of November 6, 2026
Save $1,670 NZD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,972 NZD 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 $301 to $1,972, a $1,670 spread on the same certified stone. NZ Jewellers lists it at $1,972. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,972 NZD|Low: $301 NZD|High: $1,997 NZD|Avg: $724 NZD|-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 2$301 NZD
Retailer 5$435 NZD
Retailer 6$485 NZD
Retailer 12$487 NZD
Retailer 11$509 NZD
Retailer 3$561 NZD
Retailer 14$586 NZD
Retailer 10$630 NZD
Retailer 8$698 NZD
Retailer 9$749 NZD
Retailer 7$875 NZD
Retailer 4$985 NZD
Retailer 13$1,003 NZD
NZ Jewellers$1,972 NZD

23 data points across 14 retailers

14 retailers$301 NZD to $1,972 NZD

A
Cheapest Retailer
-
$301 NZD
A
Retailer 2
-
$435 NZD
View
A
Retailer 3
-
$485 NZD
View
A
Retailer 4
-
$487 NZD
View
A
Retailer 5
-
$509 NZD
View
A
Retailer 6
-
$561 NZD
View
A
Retailer 7
-
$586 NZD
View
B+
Retailer 8
-
$630 NZD
View
B+
Retailer 9
-
$698 NZD
View
A
Retailer 10
-
$749 NZD
View
B+
Retailer 11
-
$875 NZD
View
B
Retailer 12
-
$985 NZD
View
B+
Retailer 13
-
$1,003 NZD
View
Most Expensive
B
NZ Jewellers
ad866bcd-340a-4b6b-b2f6-6286ce64cc9e · Nov 4
$1,972 NZD
$1,093 USD
View
13 more retailers have this diamond
Prices start from $301 NZDSave up to $1,670 NZD

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
$301 NZD