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 €152 EUR
$171 USD
As of November 2, 2026
Save €730 EUR (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €882 EUR at MOH London · As of November 1, 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 10 retailers as of November 1, 2026, with prices from €152 to €882, a €730 spread on the same certified stone. MOH London lists it at €882. 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
Color
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: €882 EUR|Low: €146 EUR|High: €893 EUR|Avg: €550 EUR|-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€152 EUR
Retailer 5€246 EUR
Retailer 2€327 EUR
Retailer 10€328 EUR
Retailer 9€483 EUR
Retailer 6€641 EUR
Retailer 3€663 EUR
Retailer 11€670 EUR
Retailer 4€673 EUR
Retailer 8€767 EUR
MOH London€882 EUR

27 data points across 11 retailers

10 retailers€152 EUR to €882 EUR

A
Cheapest Retailer
-
€152 EUR
$171 USD
A
Retailer 2
-
€177 EUR
$198 USD
View
Retailer 3
-
€246 EUR
£217 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
€327 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€483 EUR
$542 USD
View
B
Retailer 6
-
€607 EUR
$681 USD
View
B
Retailer 7
-
€641 EUR
$719 USD
View
B
Retailer 8
-
€673 EUR
$755 USD
View
Retailer 9
-
€767 EUR
SGD 1,163 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG797645056 · Nov 1
€882 EUR
£779 GBP
View
9 more retailers have this diamond
Prices start from €152 EURSave up to €730 EUR

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
€152 EUR