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Marquise|Lab Grown|IGI

1.18ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG805617403

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805617403

Diamond specifications and retailer prices

From $208 USD
As of October 30, 2026
Save $1,782 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,990 USD at Do Amore Diamonds · As of October 29, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805617403 or 805617403. Listed at 19 retailers as of October 29, 2026, with prices from $208 to $1,990, a $1,782 spread on the same certified stone. Do Amore Diamonds lists it at $1,990. 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 angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805617403
Dimensions11.11 × 5.55 × 3.43 mm
L/W Ratio2.00
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
11.11 mm5.55 mm1.18 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805617403
Side View
Table 59.0%Crown 33.6°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.8%

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: $1,990 USD|Low: $143 USD|High: $2,160 USD|Avg: $651 USD|-7.9%
Do Amore Diamonds
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
October 29, 2026
Retailer 8$143 USD
Retailer 4$253 USD
Retailer 17$307 USD
Retailer 3$346 USD
Retailer 14$426 USD
Retailer 7$440 USD
Retailer 12$458 USD
Retailer 5$481 USD
Retailer 6$561 USD
Retailer 15$564 USD
Retailer 11$694 USD
Retailer 16$831 USD
Retailer 10$885 USD
Retailer 2$980 USD
Retailer 9$1,070 USD
Retailer 13$1,140 USD
Do Amore Diamonds$1,990 USD

34 data points across 17 retailers

19 retailers$208 USD to $1,990 USD

Retailer 1
-
$195 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$208 USD
View
Retailer 3
-
$226 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$238 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
$253 USD
View
Final sale: no returns
A
Retailer 6
-
$307 USD
View
B+
Retailer 7
-
$346 USD
View
A
Retailer 8
-
$426 USD
View
A
Retailer 9
-
$458 USD
€436 EUR
View
B+
Retailer 10
-
$564 USD
A$868 AUD
View
B+
Retailer 11
-
$694 USD
A$1,067 AUD
View
B+
Retailer 12
-
$831 USD
View
Retailer 13
-
$845 USD
View
Price last confirmed 30 days ago
Retailer 14
-
$857 USD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
$885 USD
View
B
Retailer 16
-
$980 USD
A$1,507 AUD
View
Retailer 17
-
$1,070 USD
SGD 1,446 SGD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$1,140 USD
£898 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9D6B7683C · Oct 29
$1,990 USD
View
18 more retailers have this diamond
Prices start from $208 USDSave up to $1,782 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
$208 USD