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Marquise|Lab Grown|IGI

1.40ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • IGI LG766690615

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766690615

Diamond specifications and retailer prices

From $239 USD
As of October 30, 2026
Save $1,151 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,390 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG766690615 or 766690615. Listed at 22 retailers as of October 30, 2026, with prices from $239 to $1,390, a $1,151 spread on the same certified stone. Brilliant Earth lists it at $1,390. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766690615
Dimensions11.67 × 5.98 × 3.66 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.67 mm5.98 mm1.40 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766690615
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.2%

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: Oct 30
Current: $1,390 USD|Low: $230 USD|High: $1,830 USD|Avg: $685 USD|-24.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 4$239 USD
Retailer 18$267 USD
Retailer 5$297 USD
Retailer 7$297 USD
Retailer 17$365 USD
Retailer 9$400 USD
Retailer 13$487 USD
Retailer 15$510 USD
Retailer 2$558 USD
Retailer 12$584 USD
Retailer 8$618 USD
Retailer 16$724 USD
Retailer 6$955 USD
Retailer 11$958 USD
Retailer 3$994 USD
Retailer 10$1,158 USD
Retailer 14$1,196 USD
Brilliant Earth$1,390 USD

45 data points across 18 retailers

22 retailers$239 USD to $1,390 USD

A
Cheapest Retailer
-
$239 USD
A
Retailer 2
-
$267 USD
View
Final sale: no returns
A
Retailer 3
-
$278 USD
View
A
Retailer 4
-
$297 USD
View
A
Retailer 5
-
$297 USD
View
Retailer 6
-
$365 USD
£288 GBP
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$400 USD
View
A
Retailer 8
-
$487 USD
€464 EUR
View
A
Retailer 9
-
$510 USD
ZAR 8,242 ZAR
View
A
Retailer 10
-
$558 USD
£439 GBP
View
A
Retailer 11
-
$584 USD
A$898 AUD
View
A
Retailer 12
-
$618 USD
View
A
Retailer 13
-
$620 USD
View
B+
Retailer 14
-
$724 USD
A$1,114 AUD
View
B+
Retailer 15
-
$955 USD
View
B+
Retailer 16
-
$958 USD
View
B+
Retailer 17
-
$994 USD
A$1,529 AUD
View
B+
Retailer 18
-
$1,007 USD
View
B
Retailer 19
-
$1,033 USD
View
B
Retailer 20
-
$1,158 USD
£912 GBP
View
B
Retailer 21
-
$1,196 USD
£942 GBP
View
Most Expensive
B
Brilliant Earth
18181049A · Oct 31
$1,390 USD
View
21 more retailers have this diamond
Prices start from $239 USDSave up to $1,151 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
$239 USD