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Radiant|Lab Grown|IGI

0.45ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG542237488

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG542237488

Diamond specifications and retailer prices

From $145 SGD
$113 USD
As of November 2, 2026
Save $505 SGD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,496 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.45ct lab-grown radiant diamond

This 0.45ct lab-grown radiant sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542237488 or 542237488. Listed at 13 retailers as of October 31, 2026, with a 350% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542237488
Dimensions5.39 × 3.98 × 2.55 mm
L/W Ratio1.35
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.39 mm3.98 mm0.45 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542237488
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 33.9°Culet: NoneDepth 64.1%

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 2
Current: $1,496 SGD|Low: $139 SGD|High: $1,515 SGD|Avg: $456 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7$145 SGD
Retailer 11$168 SGD
Retailer 8$191 SGD
Retailer 12$191 SGD
Retailer 5$307 SGD
Retailer 9$352 SGD
Retailer 2$362 SGD
Retailer 6$433 SGD
Retailer 3$469 SGD
Retailer 10$577 SGD
Retailer 4$650 SGD
MOH London$1,496 SGD

44 data points across 12 retailers

13 retailers$145 SGD to $650 SGD

A
Cheapest Retailer
-
$145 SGD
$113 USD
A
Retailer 2
-
$168 SGD
$131 USD
View
A
Retailer 3
-
$191 SGD
$149 USD
View
Retailer 4
-
$191 SGD
$149 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$307 SGD
$240 USD
View
B+
Retailer 6
-
$352 SGD
$275 USD
View
B+
Retailer 7
-
$362 SGD
£223 GBP
View
B+
Retailer 8
-
$433 SGD
£266 GBP
View
B+
Retailer 9
-
$469 SGD
$367 USD
View
B+
Retailer 10
-
$524 SGD
HK$3,200 HKD
View
B
Retailer 11
-
$577 SGD
$451 USD
View
B
Retailer 12
-
$650 SGD
$508 USD
View
Most Expensive
MOH London
LG542237488 · Nov 1
$1,496 SGD
£921 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $145 SGDSave up to $505 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 Radiant
$145 SGD