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0.45ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG455034330

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455034330

Diamond specifications and retailer prices

From $313 SGD
$245 USD
As of October 29, 2026
Save $1,249 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,562 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 0.45ct lab-grown round diamond

This 0.45ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455034330 or 455034330. Listed at 10 retailers as of October 26, 2026, with prices from $313 to $1,562, a $1,249 spread on the same certified stone. MOH London lists it at $1,562. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455034330
Dimensions4.90 × 4.94 × 3.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Blue Nuance
Top View
4.90 mm4.94 mm0.45 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG455034330
Side View
Table 59.0%Crown 36.2°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 61.0%

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: Oct 29
Current: $1,562 SGD|Low: $302 SGD|High: $1,578 SGD|Avg: $631 SGD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$313 SGD
Retailer 3$345 SGD
Retailer 8$364 SGD
Retailer 6$389 SGD
Retailer 9$557 SGD
Retailer 7$653 SGD
Retailer 2$737 SGD
Retailer 4$742 SGD
MOH London$1,562 SGD

42 data points across 9 retailers

10 retailers$313 SGD to $1,562 SGD

A
Cheapest Retailer
-
$313 SGD
$245 USD
A
Retailer 2
-
$345 SGD
$270 USD
View
A
Retailer 3
-
$364 SGD
$285 USD
View
B+
Retailer 4
-
$389 SGD
$304 USD
View
B+
Retailer 5
-
$389 SGD
$304 USD
View
B
Retailer 6
-
$653 SGD
$511 USD
View
B
Retailer 7
-
$737 SGD
£454 GBP
View
B
Retailer 8
-
$742 SGD
€553 EUR
View
B
Retailer 9
-
$1,250 SGD
$978 USD
View
Most Expensive
B
MOH London
LG455034330 · Oct 26
$1,562 SGD
£962 GBP
View
9 more retailers have this diamond
Prices start from $313 SGDSave up to $1,249 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
$313 SGD