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Marquise|Lab Grown|IGI

1.18ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG605327157

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG605327157

Diamond specifications and retailer prices

From $241 USD
As of October 28, 2026
Save $1,059 USD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,300 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.18ct lab-grown marquise diamond

This 1.18ct 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 LG605327157 or 605327157. Listed at 19 retailers as of October 28, 2026, with prices from $241 to $1,300, a $1,059 spread on the same certified stone. Brilliant Earth lists it at $1,300. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605327157
Dimensions10.70 × 5.52 × 3.48 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
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 mm5.52 mm1.18 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605327157
Side View
Table 61.0%Crown 35.3°Girdle: ThickPavilion 40.8°Culet: NoneDepth 63.0%

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: $1,300 USD|Low: $241 USD|High: $1,340 USD|Avg: $627 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 11$241 USD
Retailer 7$360 USD
Retailer 5$447 USD
Retailer 4$458 USD
Retailer 2$493 USD
Retailer 3$545 USD
Retailer 10$583 USD
Retailer 6$652 USD
Retailer 9$860 USD
Retailer 8$1,074 USD
Brilliant Earth$1,300 USD

42 data points across 11 retailers

19 retailers$241 USD to $1,300 USD

Retailer 1
-
$215 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$241 USD
View
Final sale: no returns
Retailer 3
-
$249 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$267 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$267 USD
View
Price last confirmed 26 days ago
A
Retailer 6
-
$360 USD
View
A
Retailer 7
-
$447 USD
€426 EUR
View
A
Retailer 8
-
$458 USD
ZAR 7,401 ZAR
View
A
Retailer 9
-
$493 USD
£388 GBP
View
B+
Retailer 10
-
$538 USD
View
B+
Retailer 11
-
$545 USD
View
B+
Retailer 12
-
$583 USD
View
B+
Retailer 13
-
$652 USD
A$1,003 AUD
View
Retailer 14
-
$857 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$860 USD
View
B
Retailer 16
-
$910 USD
View
B
Retailer 17
-
$1,074 USD
£846 GBP
View
B
Retailer 18
-
$1,242 USD
View
Most Expensive
B
Brilliant Earth
10023493A · Oct 28
$1,300 USD
View
18 more retailers have this diamond
Prices start from $241 USDSave up to $1,059 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
1.18ct Marquise
$241 USD