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Marquise|Lab Grown|IGI

1.50ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG826679586

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826679586

Diamond specifications and retailer prices

From €262 EUR
HK$2,300 HKD
As of November 1, 2026
Save €655 EUR (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €917 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826679586 or 826679586. Listed at 9 retailers as of November 1, 2026, with prices from €262 to €917, a €655 spread on the same certified stone. MOH London lists it at €917. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826679586
Dimensions11.75 × 5.46 × 3.62 mm
L/W Ratio2.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.75 mm5.46 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG826679586
Side View
Table 62.0%Crown 38.6°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 66.3%

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: Nov 1
Current: €917 EUR|Low: €262 EUR|High: €938 EUR|Avg: €506 EUR|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8€262 EUR
Retailer 6€308 EUR
Retailer 3€400 EUR
Retailer 9€411 EUR
Retailer 2€418 EUR
Retailer 5€456 EUR
Retailer 7€783 EUR
Retailer 4€811 EUR
MOH London€917 EUR

42 data points across 9 retailers

9 retailers€262 EUR to €917 EUR

A
Cheapest Retailer
-
€262 EUR
HK$2,300 HKD
B+
Retailer 2
-
€308 EUR
$345 USD
View
A
Retailer 3
-
€400 EUR
View
A
Retailer 4
-
€411 EUR
$461 USD
View
A
Retailer 5
-
€418 EUR
£369 GBP
View
B+
Retailer 6
-
€456 EUR
$512 USD
View
B
Retailer 7
-
€783 EUR
$878 USD
View
B
Retailer 8
-
€811 EUR
$910 USD
View
Most Expensive
B
MOH London
LG826679586 · Nov 1
€917 EUR
£810 GBP
View
8 more retailers have this diamond
Prices start from €262 EURSave up to €655 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
€262 EUR