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Marquise|Lab Grown|IGI

1.50ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG436046306

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436046306

Diamond specifications and retailer prices

From €895 EUR
$1,000 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €895 EUR at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436046306 or 436046306. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046306
Dimensions10.84 × 6.03 × 3.88 mm
L/W Ratio1.80
Girdle conditionFaceted
Cert comments
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Top View
10.84 mm6.03 mm1.50 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436046306
Side View
Table 62.5%Crown 35.1°Girdle: ThickPavilion 40.7°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €895 EUR|Low: €895 EUR|High: €4,702 EUR|Avg: €2,998 EUR|-50.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
July 26, 2026
Brilliant Earth€895 EUR
Retailer 3€1,813 EUR
Retailer 5€3,247 EUR
Retailer 4€3,252 EUR
Retailer 2€4,660 EUR

21 data points across 5 retailers

1 retailer

B+
Brilliant Earth
20637423A · Oct 31
€895 EUR
$1,000 USD
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B+
1.50ct Marquise
€895 EUR