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Marquise|Lab Grown|IGI

1.54ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG500143696

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG500143696

Diamond specifications and retailer prices

From $1,176 SGD
$920 USD
As of October 31, 2026
Save $5,159 SGD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,335 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500143696 or 500143696. Listed at 10 retailers as of October 31, 2026, with prices from $1,176 to $6,335, a $5,159 spread on the same certified stone. MOH London lists it at $6,335. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500143696
Dimensions11.27 × 5.96 × 3.78 mm
L/W Ratio1.89
Girdle conditionFaceted
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
11.27 mm5.96 mm1.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500143696
Side View
Table 59.5%Crown 39.2°Girdle: STK-VTKPavilion 38.3°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,335 SGD|Low: $1,176 SGD|High: $6,411 SGD|Avg: $3,022 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$1,176 SGD
Retailer 3$1,700 SGD
Retailer 4$1,971 SGD
Retailer 6$2,192 SGD
Retailer 8$2,711 SGD
Retailer 5$3,118 SGD
Retailer 7$3,675 SGD
MOH London$6,335 SGD

14 data points across 8 retailers

10 retailers$1,176 SGD to $6,335 SGD

A
Cheapest Retailer
-
$1,176 SGD
$920 USD
B+
Retailer 2
-
$1,700 SGD
$1,330 USD
View
B+
Retailer 3
-
$1,850 SGD
$1,447 USD
View
Retailer 4
-
$1,971 SGD
$1,542 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$1,971 SGD
$1,542 USD
View
B+
Retailer 6
-
$2,192 SGD
$1,715 USD
View
B
Retailer 7
-
$3,118 SGD
$2,439 USD
View
B
Retailer 8
-
$3,675 SGD
$2,875 USD
View
B
Retailer 9
-
$3,696 SGD
$2,891 USD
View
Most Expensive
B
MOH London
LG500143696 · Nov 1
$6,335 SGD
£3,902 GBP
View
9 more retailers have this diamond
Prices start from $1,176 SGDSave up to $5,159 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 Marquise
$1,176 SGD