Marquise|Lab Grown|IGI

1.20ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG842623834

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842623834

Diamond specifications and retailer prices

From $464 USD
As of October 28, 2026
Save $627 USD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,091 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842623834 or 842623834. Listed at 5 retailers as of October 28, 2026, with prices from $464 to $1,091, a $627 spread on the same certified stone. MOH London lists it at $1,091. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842623834
Dimensions11.02 × 5.53 × 3.39 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.02 mm5.53 mm1.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842623834
Side View
Table 62.0%Crown 35.8°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,091 USD|Low: $464 USD|High: $1,096 USD|Avg: $710 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 5$464 USD
Retailer 2$501 USD
Retailer 3$554 USD
Retailer 4$923 USD
MOH London$1,091 USD

16 data points across 5 retailers

5 retailers$464 USD to $1,091 USD

A
Cheapest Retailer
-
$464 USD
A
Retailer 2
-
$501 USD
£394 GBP
View
B+
Retailer 3
-
$554 USD
View
B
Retailer 4
-
$923 USD
View
Most Expensive
B
MOH London
LG842623834 · Oct 29
$1,091 USD
£859 GBP
View
4 more retailers have this diamond
Prices start from $464 USDSave up to $627 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
1.20ct Marquise
$464 USD