Marquise|Lab Grown|IGI

1.37ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG839693520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839693520

Diamond specifications and retailer prices

From $312 USD
As of November 1, 2026
Save $446 USD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,040 USD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839693520 or 839693520. Listed at 6 retailers as of October 27, 2026, with a 143% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839693520
Dimensions11.39 × 5.91 × 3.63 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.39 mm5.91 mm1.37 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839693520
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $758 USD|Low: $312 USD|High: $765 USD|Avg: $439 USD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 4$312 USD
Retailer 5$352 USD
Retailer 6$444 USD
Retailer 3$446 USD
Retailer 2$463 USD
Retailer 1$758 USD

5 data points across 6 retailers

6 retailers$312 USD to $758 USD

A
Cheapest Retailer
-
$312 USD
B+
Retailer 2
-
$352 USD
View
A
Retailer 3
-
$446 USD
View
A
Retailer 4
-
$463 USD
€441 EUR
View
B+
Retailer 5
-
$758 USD
A$1,166 AUD
View
Most Expensive
Brilliant Earth
21601347A · Oct 1
$1,040 USD
View
Price last confirmed 31 days ago
5 more retailers have this diamond
Prices start from $312 USDSave up to $446 USD

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
$312 USD