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Marquise|Lab Grown|IGI

1.40ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG835667770

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835667770

Diamond specifications and retailer prices

From $755 USD
HK$5,900 HKD
As of November 3, 2026
Save $1,977 USD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,732 USD at MOH London · As of November 3, 2026
View at MOH London

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG835667770 or 835667770. Listed at 13 retailers as of November 3, 2026, with prices from $755 to $2,732, a $1,977 spread on the same certified stone. MOH London lists it at $2,732. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835667770
Dimensions11.48 × 5.86 × 3.74 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
11.48 mm5.86 mm1.40 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835667770
Side View
Table 60.0%Crown 32.8°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $2,732 USD|Low: $755 USD|High: $2,747 USD|Avg: $1,539 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 11$755 USD
Retailer 4$925 USD
Retailer 7$1,002 USD
Retailer 2$1,005 USD
Retailer 8$1,114 USD
Retailer 5$1,129 USD
Retailer 12$1,540 USD
Retailer 6$1,823 USD
Retailer 9$2,100 USD
Retailer 10$2,127 USD
Retailer 3$2,583 USD
MOH London$2,732 USD

20 data points across 12 retailers

13 retailers$755 USD to $2,732 USD

A
Cheapest Retailer
-
$755 USD
HK$5,900 HKD
A
Retailer 2
-
$925 USD
View
A
Retailer 3
-
$1,002 USD
€954 EUR
View
A
Retailer 4
-
$1,005 USD
£791 GBP
View
A
Retailer 5
-
$1,114 USD
View
A
Retailer 6
-
$1,129 USD
ZAR 18,235 ZAR
View
B+
Retailer 7
-
$1,260 USD
View
Retailer 8
-
$1,540 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$1,823 USD
A$2,805 AUD
View
B
Retailer 10
-
$2,100 USD
View
B
Retailer 11
-
$2,127 USD
View
B
Retailer 12
-
$2,583 USD
View
Most Expensive
B
MOH London
LG835667770 · Nov 3
$2,732 USD
£2,151 GBP
View
12 more retailers have this diamond
Prices start from $755 USDSave up to $1,977 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
1.40ct Marquise
$755 USD