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Marquise|Lab Grown|IGI

1.37ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG797645056

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797645056

Diamond specifications and retailer prices

From $219 SGD
$171 USD
As of November 2, 2026
Save $1,047 SGD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,265 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.37ct lab-grown marquise diamond

This 1.37ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG797645056 or 797645056. Listed at 9 retailers as of November 2, 2026, with prices from $219 to $1,265, a $1,047 spread on the same certified stone. MOH London lists it at $1,265. 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

1.37
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797645056
Dimensions11.39 × 5.90 × 3.63 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.39 mm5.90 mm1.37 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797645056
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

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 2
Current: $1,265 SGD|Low: $210 SGD|High: $1,281 SGD|Avg: $789 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$219 SGD
Retailer 5$353 SGD
Retailer 2$469 SGD
Retailer 10$471 SGD
Retailer 9$693 SGD
Retailer 6$920 SGD
Retailer 3$951 SGD
Retailer 11$962 SGD
Retailer 4$966 SGD
Retailer 8$1,101 SGD
MOH London$1,265 SGD

27 data points across 11 retailers

9 retailers$219 SGD to $1,265 SGD

A
Cheapest Retailer
-
$219 SGD
$171 USD
A
Retailer 2
-
$253 SGD
$198 USD
View
Retailer 3
-
$469 SGD
€349 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$693 SGD
$542 USD
View
B
Retailer 5
-
$871 SGD
$681 USD
View
B
Retailer 6
-
$920 SGD
$719 USD
View
B
Retailer 7
-
$966 SGD
$755 USD
View
Retailer 8
-
$1,101 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG797645056 · Nov 2
$1,265 SGD
£779 GBP
View
8 more retailers have this diamond
Prices start from $219 SGDSave up to $1,047 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
1.37ct Marquise
$219 SGD