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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG779631721

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779631721

Diamond specifications and retailer prices

From $577 SGD
As of November 4, 2026
Save $226 SGD (28%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,449 SGD at MOH London · As of October 25, 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 LG779631721 or 779631721. Listed at 11 retailers as of November 4, 2026, with a 39% 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

1.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779631721
Dimensions7.45 × 7.51 × 4.55 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
7.45 mm7.51 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779631721
Side View
Table 59.0%Crown 33.2°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 60.9%

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: Nov 4
Current: $1,449 SGD|Low: $252 SGD|High: $1,890 SGD|Avg: $996 SGD|-15.4%
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 14$252 SGD
Retailer 9$438 SGD
Retailer 10$441 SGD
Retailer 2$510 SGD
Retailer 11$536 SGD
Retailer 8$559 SGD
Retailer 12$577 SGD
Retailer 7$803 SGD
Retailer 5$995 SGD
Retailer 4$1,215 SGD
Retailer 3$1,270 SGD
Retailer 13$1,432 SGD
MOH London$1,449 SGD
Retailer 6$1,890 SGD

36 data points across 14 retailers

11 retailers$577 SGD to $803 SGD

Retailer 1
-
$438 SGD
Price last confirmed 10 days ago
Retailer 2
-
$441 SGD
View
Price last confirmed 11 days ago
Retailer 3
-
$510 SGD
View
Price last confirmed 8 days ago
Retailer 4
-
$559 SGD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$577 SGD
View
B+
Retailer 6
-
$803 SGD
View
Retailer 7
-
$995 SGD
View
Price last confirmed 10 days ago
Retailer 8
-
$1,215 SGD
View
Price last confirmed 9 days ago
Retailer 9
-
$1,270 SGD
View
Price last confirmed 9 days ago
Retailer 10
-
$1,432 SGD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG779631721 · Oct 25
$1,449 SGD
£893 GBP
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from $577 SGDSave up to $226 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
$577 SGD