Marquise|Lab Grown|IGI

1.18ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG826658238

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826658238

Diamond specifications and retailer prices

From $206 USD
As of October 30, 2026
Save $995 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,201 USD at MOH London · As of October 29, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826658238 or 826658238. Listed at 15 retailers as of October 29, 2026, with prices from $206 to $1,201, a $995 spread on the same certified stone. MOH London lists it at $1,201. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826658238
Dimensions11.08 × 5.60 × 3.48 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.08 mm5.60 mm1.18 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826658238
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.1%

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 30
Current: $1,201 USD|Low: $198 USD|High: $1,209 USD|Avg: $634 USD|+0.5%
MOH London
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
October 29, 2026
Retailer 3$206 USD
Retailer 6$239 USD
Retailer 7$282 USD
Retailer 9$435 USD
Retailer 5$442 USD
Retailer 12$538 USD
Retailer 13$595 USD
Retailer 8$625 USD
Retailer 2$722 USD
Retailer 14$810 USD
Retailer 4$822 USD
Retailer 15$825 USD
Retailer 11$831 USD
Retailer 10$871 USD
MOH London$1,201 USD

23 data points across 15 retailers

15 retailers$206 USD to $1,201 USD

A
Cheapest Retailer
-
$206 USD
A
Retailer 2
-
$239 USD
View
A
Retailer 3
-
$282 USD
HK$2,200 HKD
View
A
Retailer 4
-
$435 USD
View
A
Retailer 5
-
$442 USD
View
B+
Retailer 6
-
$538 USD
A$828 AUD
View
B+
Retailer 7
-
$595 USD
View
B+
Retailer 8
-
$625 USD
A$961 AUD
View
B+
Retailer 9
-
$722 USD
A$1,111 AUD
View
B
Retailer 10
-
$810 USD
View
B
Retailer 11
-
$822 USD
View
B
Retailer 12
-
$825 USD
View
B
Retailer 13
-
$831 USD
SGD 1,123 SGD
View
B
Retailer 14
-
$871 USD
View
Most Expensive
B
MOH London
LG826658238 · Oct 29
$1,201 USD
£946 GBP
View
14 more retailers have this diamond
Prices start from $206 USDSave up to $995 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
$206 USD