Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG681584379

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681584379

Diamond specifications and retailer prices

From $225 SGD
As of November 5, 2026
Save $1,075 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,299 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round 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 LG681584379 or 681584379. Listed at 14 retailers as of November 5, 2026, with prices from $225 to $1,299, a $1,075 spread on the same certified stone. MOH London lists it at $1,299. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681584379
Dimensions7.32 × 7.36 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.36 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681584379
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,299 SGD|Low: $225 SGD|High: $1,609 SGD|Avg: $709 SGD|-0.2%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 13$225 SGD
Retailer 12$261 SGD
Retailer 6$278 SGD
Retailer 3$310 SGD
Retailer 9$478 SGD
Retailer 14$478 SGD
Retailer 2$493 SGD
Retailer 4$496 SGD
Retailer 16$525 SGD
Retailer 15$611 SGD
Retailer 5$897 SGD
Retailer 10$913 SGD
Retailer 11$946 SGD
MOH London$1,299 SGD
Retailer 7$1,359 SGD
Retailer 8$1,609 SGD

10 data points across 16 retailers

14 retailers$225 SGD to $1,299 SGD

A
Cheapest Retailer
-
$225 SGD
A
Retailer 2
-
$261 SGD
View
A
Retailer 3
-
$278 SGD
View
A
Retailer 4
-
$310 SGD
View
A
Retailer 5
-
$478 SGD
View
Retailer 6
-
$478 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$493 SGD
View
B+
Retailer 8
-
$496 SGD
View
A
Retailer 9
-
$525 SGD
View
A
Retailer 10
-
$611 SGD
View
B+
Retailer 11
-
$897 SGD
View
B+
Retailer 12
-
$913 SGD
View
B
Retailer 13
-
$946 SGD
View
Most Expensive
B
MOH London
LG681584379 · Nov 5
$1,299 SGD
£801 GBP
View
13 more retailers have this diamond
Prices start from $225 SGDSave up to $1,075 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
1.50ct Round
$225 SGD