Marquise|Lab Grown|IGI

1.50ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG835666080

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835666080

Diamond specifications and retailer prices

From €198 EUR
$221 USD
As of October 30, 2026
Save €783 EUR (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €981 EUR at MOH London · As of November 1, 2026
View at MOH London

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835666080 or 835666080. Listed at 8 retailers as of October 30, 2026, with prices from €198 to €981, a €783 spread on the same certified stone. MOH London lists it at €981. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835666080
Dimensions11.72 × 6.03 × 3.73 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm6.03 mm1.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835666080
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.9%

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: €981 EUR|Low: €196 EUR|High: €1,026 EUR|Avg: €537 EUR|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6€198 EUR
Retailer 3€229 EUR
Retailer 5€274 EUR
Retailer 2€411 EUR
Retailer 8€539 EUR
Retailer 7€787 EUR
Retailer 4€790 EUR
MOH London€981 EUR

26 data points across 8 retailers

8 retailers€198 EUR to €981 EUR

A
Cheapest Retailer
-
€198 EUR
$221 USD
A
Retailer 2
-
€229 EUR
$256 USD
View
Retailer 3
-
€274 EUR
£241 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
€411 EUR
View
B+
Retailer 5
-
€539 EUR
$602 USD
View
B
Retailer 6
-
€787 EUR
$879 USD
View
B
Retailer 7
-
€790 EUR
$883 USD
View
Most Expensive
B
MOH London
LG835666080 · Nov 1
€981 EUR
£863 GBP
View
7 more retailers have this diamond
Prices start from €198 EURSave up to €783 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
1.50ct Marquise
€198 EUR