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Marquise|Lab Grown|IGI

1.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG788629522

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788629522

Diamond specifications and retailer prices

From €240 EUR
As of November 4, 2026
Save €1,562 EUR (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,802 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788629522 or 788629522. Listed at 21 retailers as of October 31, 2026, with prices from €240 to €1,802, a €1,562 spread on the same certified stone. Brilliant Earth lists it at €1,802. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629522
Dimensions11.88 × 5.88 × 3.74 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type II
Top View
11.88 mm5.88 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629522
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.6%

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: Nov 4
Current: €1,802 EUR|Low: €233 EUR|High: €1,802 EUR|Avg: €678 EUR
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 17€240 EUR
Retailer 9€267 EUR
Retailer 19€278 EUR
Retailer 14€289 EUR
Retailer 3€296 EUR
Retailer 20€399 EUR
Retailer 22€439 EUR
Retailer 6€468 EUR
Retailer 18€511 EUR
Retailer 15€514 EUR
Retailer 2€516 EUR
Retailer 4€529 EUR
Retailer 13€695 EUR
Retailer 12€869 EUR
Retailer 16€912 EUR
Retailer 5€954 EUR
Retailer 8€998 EUR
Retailer 7€1,141 EUR
Retailer 10€1,149 EUR
Retailer 11€1,165 EUR
Retailer 21€1,256 EUR
Brilliant Earth€1,802 EUR

36 data points across 22 retailers

21 retailers€240 EUR to €1,802 EUR

A
Cheapest Retailer
-
€240 EUR
A
Retailer 2
-
€267 EUR
View
Final sale: no returns
A
Retailer 3
-
€278 EUR
View
Retailer 4
-
€289 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
-
€296 EUR
View
B+
Retailer 6
-
€399 EUR
View
A
Retailer 7
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€439 EUR
View
A
Retailer 8
-
€468 EUR
View
A
Retailer 9
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€511 EUR
View
A
Retailer 10
-
€516 EUR
View
A
Retailer 11
-
€529 EUR
View
B+
Retailer 12
-
€695 EUR
View
Retailer 13
-
€869 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
-
€912 EUR
View
B
Retailer 15
-
€954 EUR
View
B
Retailer 16
-
€998 EUR
View
B
Retailer 17
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€1,141 EUR
View
B
Retailer 18
-
€1,149 EUR
View
Retailer 19
-
€1,165 EUR
View
Price last confirmed 7 days ago
B
Retailer 20
-
€1,256 EUR
View
Most Expensive
B
Brilliant Earth
19980580A · Oct 31
€1,802 EUR
$2,030 USD
View
20 more retailers have this diamond
Prices start from €240 EURSave up to €1,562 EUR

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
1.51ct Marquise
€240 EUR