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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG840659145

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840659145

Diamond specifications and retailer prices

From $533 SGD
$417 USD
As of November 1, 2026
Save $1,235 SGD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,769 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG840659145 or 840659145. Listed at 8 retailers as of November 1, 2026, with prices from $533 to $1,769, a $1,235 spread on the same certified stone. MOH London lists it at $1,769. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840659145
Dimensions11.39 × 6.04 × 3.88 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.39 mm6.04 mm1.55 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840659145
Side View
Table 61.0%Crown 36.6°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.2%

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 1
Current: $1,769 SGD|Low: $521 SGD|High: $1,775 SGD|Avg: $1,036 SGD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$533 SGD
Retailer 7$536 SGD
Retailer 3$761 SGD
Retailer 2$771 SGD
Retailer 8$925 SGD
Retailer 5$1,573 SGD
Retailer 6$1,633 SGD
MOH London$1,769 SGD

19 data points across 8 retailers

8 retailers$533 SGD to $1,769 SGD

A
Cheapest Retailer
-
$533 SGD
$417 USD
B+
Retailer 2
-
$536 SGD
$419 USD
View
A
Retailer 3
-
$761 SGD
ZAR 9,616 ZAR
View
A
Retailer 4
-
$771 SGD
£475 GBP
View
Retailer 5
-
$925 SGD
$723 USD
View
Price last confirmed 11 days ago
B
Retailer 6
-
$1,573 SGD
$1,230 USD
View
B
Retailer 7
-
$1,633 SGD
$1,277 USD
View
Most Expensive
B
MOH London
LG840659145 · Nov 1
$1,769 SGD
£1,089 GBP
View
7 more retailers have this diamond
Prices start from $533 SGDSave up to $1,235 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
1.55ct Marquise
$533 SGD