Marquise|Lab Grown|IGI

1.20ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG797647644

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797647644

Diamond specifications and retailer prices

From $348 USD
As of October 28, 2026
Save $685 USD (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,033 USD at MOH London · As of October 25, 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 LG797647644 or 797647644. Listed at 9 retailers as of October 25, 2026, with prices from $348 to $1,033, a $685 spread on the same certified stone. MOH London lists it at $1,033. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797647644
Dimensions10.70 × 5.46 × 3.48 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.70 mm5.46 mm1.20 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797647644
Side View
Table 54.0%Crown 35.8°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 63.7%

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: Oct 28
Current: $1,033 USD|Low: $294 USD|High: $1,593 USD|Avg: $635 USD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8$294 USD
Retailer 7$348 USD
Retailer 3$449 USD
Retailer 2$473 USD
Retailer 4$550 USD
Retailer 5$875 USD
Retailer 6$880 USD
MOH London$1,033 USD

34 data points across 8 retailers

9 retailers$348 USD to $1,033 USD

A
Retailer 1
-
$294 USD
HK$2,300 HKD
Price last confirmed 55 days ago
B+
Retailer 2
-
$348 USD
View
A
Retailer 3
-
$449 USD
€428 EUR
View
A
Retailer 4
-
$473 USD
£372 GBP
View
B+
Retailer 5
-
$550 USD
View
B
Retailer 6
-
$875 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$880 USD
View
B+
Retailer 8
-
$885 USD
View
Most Expensive
B
MOH London
LG797647644 · Oct 25
$1,033 USD
£813 GBP
View
8 more retailers have this diamond
Prices start from $348 USDSave up to $685 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
$348 USD