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0.45ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 800674294

Shape and cutting style on the report: Round brilliant

Certificate IGI 800674294

Diamond specifications and retailer prices

From $326 SGD
As of November 4, 2026
Save $1,150 SGD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,475 SGD 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 800674294. Listed at 13 retailers as of November 4, 2026, with prices from $326 to $1,475, a $1,150 spread on the same certified stone. NZ Jewellers lists it at $1,475. 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 angle34°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 800674294
Dimensions4.88 × 4.91 × 3.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.88 mm4.91 mm0.45 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 800674294
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 41.7°Culet: NoneDepth 62.9%

Caratlytics Score

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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: $1,475 SGD|Low: $326 SGD|High: $1,475 SGD|Avg: $553 SGD
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 5$326 SGD
Retailer 9$332 SGD
Retailer 4$340 SGD
Retailer 14$351 SGD
Retailer 12$363 SGD
Retailer 13$438 SGD
Retailer 7$461 SGD
Retailer 3$492 SGD
Retailer 8$507 SGD
Retailer 6$556 SGD
Retailer 2$631 SGD
Retailer 11$667 SGD
Retailer 10$751 SGD
NZ Jewellers$1,475 SGD

29 data points across 14 retailers

13 retailers$326 SGD to $1,475 SGD

A
Cheapest Retailer
-
$326 SGD
A
Retailer 2
-
$332 SGD
View
Retailer 3
-
$345 SGD
View
Price last confirmed 43 days ago
Retailer 4
-
$351 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$363 SGD
View
B+
Retailer 6
-
$438 SGD
View
B+
Retailer 7
-
$461 SGD
View
B+
Retailer 8
-
$492 SGD
View
A
Retailer 9
-
$507 SGD
View
B+
Retailer 10
-
$556 SGD
View
B+
Retailer 11
-
$631 SGD
View
B
Retailer 12
-
$751 SGD
View
Most Expensive
C
NZ Jewellers
c8024f03-3694-47a2-beab-bb6651a5c213 · Nov 4
$1,475 SGD
$1,155 USD
View
12 more retailers have this diamond
Prices start from $326 SGDSave up to $1,150 SGD

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
$326 SGD