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Marquise|Lab Grown|IGI

1.18ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG787647637

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787647637

Diamond specifications and retailer prices

From $286 USD
As of October 28, 2026
Save $1,584 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,870 USD at Do Amore Diamonds · As of October 26, 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 LG787647637 or 787647637. Listed at 12 retailers as of October 26, 2026, with prices from $286 to $1,870, a $1,584 spread on the same certified stone. Do Amore Diamonds lists it at $1,870. 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 angle35.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787647637
Dimensions5.41 × 5.41 × 11.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.41 mm5.41 mm1.18 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787647637
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,870 USD|Low: $267 USD|High: $1,900 USD|Avg: $690 USD|+6.3%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
October 27, 2026
Retailer 16$286 USD
Retailer 15$326 USD
Retailer 12$334 USD
Retailer 7$394 USD
Retailer 10$432 USD
Retailer 5$445 USD
Retailer 8$542 USD
Retailer 17$545 USD
Retailer 6$604 USD
Retailer 2$652 USD
Retailer 4$736 USD
Retailer 14$779 USD
Retailer 9$793 USD
Retailer 13$877 USD
Retailer 11$1,071 USD
Retailer 3$1,230 USD
Do Amore Diamonds$1,870 USD

14 data points across 17 retailers

12 retailers$286 USD to $1,870 USD

A
Cheapest Retailer
-
$286 USD
B+
Retailer 2
-
$326 USD
View
A
Retailer 3
-
$334 USD
View
A
Retailer 4
-
$432 USD
€411 EUR
View
B+
Retailer 5
-
$545 USD
View
B+
Retailer 6
-
$652 USD
A$1,003 AUD
View
B+
Retailer 7
-
$736 USD
A$1,133 AUD
View
Price last confirmed 21 days ago
B
Retailer 8
-
$779 USD
View
B
Retailer 9
-
$877 USD
View
B
Retailer 10
-
$1,071 USD
£843 GBP
View
B
Retailer 11
-
$1,230 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-FD3EDD529 · Oct 26
$1,870 USD
View
11 more retailers have this diamond
Prices start from $286 USDSave up to $1,584 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
$286 USD