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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG621455497

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621455497

Diamond specifications and retailer prices

From $275 SGD
As of November 3, 2026
Save $1,088 SGD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,363 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct 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 LG621455497 or 621455497. Listed at 14 retailers as of November 3, 2026, with prices from $275 to $1,363, a $1,088 spread on the same certified stone. MOH London lists it at $1,363. 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

1.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621455497
Dimensions7.48 × 7.42 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.48 mm7.42 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621455497
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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 3
Current: $1,363 SGD|Low: $238 SGD|High: $1,392 SGD|Avg: $682 SGD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 12$275 SGD
Retailer 10$319 SGD
Retailer 9$341 SGD
Retailer 15$341 SGD
Retailer 8$529 SGD
Retailer 4$565 SGD
Retailer 5$584 SGD
Retailer 14$590 SGD
Retailer 2$623 SGD
Retailer 3$763 SGD
Retailer 13$1,096 SGD
Retailer 11$1,100 SGD
Retailer 7$1,137 SGD
Retailer 6$1,199 SGD
MOH London$1,363 SGD

38 data points across 15 retailers

14 retailers$275 SGD to $1,363 SGD

A
Cheapest Retailer
-
$275 SGD
A
Retailer 2
-
$319 SGD
View
A
Retailer 3
-
$341 SGD
View
Retailer 4
-
$341 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$529 SGD
View
A
Retailer 6
-
$565 SGD
View
B+
Retailer 7
-
$584 SGD
View
B+
Retailer 8
-
$623 SGD
View
B+
Retailer 9
-
$763 SGD
View
B
Retailer 10
-
$1,096 SGD
View
B
Retailer 11
-
$1,100 SGD
View
B
Retailer 12
-
$1,137 SGD
View
B
Retailer 13
-
$1,199 SGD
View
Most Expensive
B
MOH London
LG621455497 · Nov 5
$1,363 SGD
£840 GBP
View
13 more retailers have this diamond
Prices start from $275 SGDSave up to $1,088 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
1.54ct Round
$275 SGD