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Radiant|Lab Grown|IGI

1.50ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG544263063

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

Certificate IGI LG544263063

Diamond specifications and retailer prices

From $162 USD
As of October 27, 2026
Save $784 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $946 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG544263063 or 544263063. Listed at 18 retailers as of October 27, 2026, with prices from $162 to $946, a $784 spread on the same certified stone. MOH London lists it at $946. 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

1.50
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544263063
Dimensions7.89 × 5.64 × 3.76 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.89 mm5.64 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544263063
Side View
Table 67.0%Crown 47.8°Girdle: Slightly ThickPavilion 30.3°Culet: NoneDepth 66.7%

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 27
Current: $946 USD|Low: $156 USD|High: $953 USD|Avg: $412 USD|+0.4%
MOH London
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
October 29, 2026
Retailer 11$162 USD
Retailer 3$188 USD
Retailer 4$201 USD
Retailer 12$201 USD
Retailer 7$259 USD
Retailer 13$275 USD
Retailer 2$354 USD
Retailer 8$363 USD
Retailer 9$364 USD
Retailer 5$463 USD
Retailer 14$647 USD
Retailer 6$650 USD
Retailer 10$683 USD
MOH London$946 USD

43 data points across 14 retailers

18 retailers$162 USD to $946 USD

A
Cheapest Retailer
-
$162 USD
A
Retailer 2
-
$188 USD
View
A
Retailer 3
-
$201 USD
View
A
Retailer 4
-
$201 USD
View
A
Retailer 5
-
$230 USD
HK$1,800 HKD
View
A
Retailer 6
-
$259 USD
£204 GBP
View
B+
Retailer 7
-
$275 USD
View
A
Retailer 8
-
$354 USD
£279 GBP
View
A
Retailer 9
-
$363 USD
£286 GBP
View
A
Retailer 10
-
$364 USD
€347 EUR
View
A
Retailer 11
-
$436 USD
View
B+
Retailer 12
-
$463 USD
View
B+
Retailer 13
-
$647 USD
View
B+
Retailer 14
-
$650 USD
A$1,000 AUD
View
B+
Retailer 15
-
$663 USD
SGD 896 SGD
View
B
Retailer 16
-
$683 USD
View
Most Expensive
B
MOH London
LG544263063 · Oct 29
$946 USD
£745 GBP
View
16 more retailers have this diamond
Prices start from $162 USDSave up to $784 USD

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
1.50ct Radiant
$162 USD