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Marquise|Lab Grown|IGI

1.18ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG830691700

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830691700

Diamond specifications and retailer prices

From $211 USD
As of October 23, 2026
Save $1,819 USD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,030 USD at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

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 LG830691700 or 830691700. Listed at 12 retailers as of October 23, 2026, with prices from $211 to $2,030, a $1,819 spread on the same certified stone. Do Amore Diamonds lists it at $2,030. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830691700
Dimensions10.60 × 5.51 × 3.55 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.60 mm5.51 mm1.18 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830691700
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.4%

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 23
Current: $2,030 USD|Low: $203 USD|High: $2,030 USD|Avg: $768 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 22, 2026
Retailer 7$211 USD
Retailer 11$245 USD
Retailer 2$361 USD
Retailer 10$451 USD
Retailer 5$710 USD
Retailer 8$800 USD
Retailer 6$844 USD
Retailer 3$885 USD
Retailer 9$928 USD
Retailer 4$1,163 USD
Do Amore Diamonds$2,030 USD

22 data points across 11 retailers

12 retailers$211 USD to $2,030 USD

A
Cheapest Retailer
-
$211 USD
A
Retailer 2
-
$245 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$361 USD
£285 GBP
View
Price last confirmed 7 days ago
A
Retailer 4
-
$451 USD
View
B+
Retailer 5
-
$530 USD
View
B+
Retailer 6
-
$710 USD
A$1,093 AUD
View
Price last confirmed 11 days ago
B
Retailer 7
-
$800 USD
View
B
Retailer 8
-
$844 USD
View
B
Retailer 9
-
$885 USD
View
B
Retailer 10
-
$928 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$1,163 USD
£916 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-844390934 · Oct 23
$2,030 USD
View
11 more retailers have this diamond
Prices start from $211 USDSave up to $1,819 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
$211 USD