Marquise|Lab Grown|IGI

1.50ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG831621343

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831621343

Diamond specifications and retailer prices

From €351 EUR
$394 USD
As of November 1, 2026
Save €759 EUR (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,195 EUR at MOH London · As of October 19, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831621343 or 831621343. Listed at 7 retailers as of October 31, 2026, with a 216% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621343
Dimensions12.39 × 5.94 × 3.57 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.39 mm5.94 mm1.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621343
Side View
Table 63.0%Crown 33°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 60.1%

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 1
Current: €1,195 EUR|Low: €343 EUR|High: €1,203 EUR|Avg: €711 EUR|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4€351 EUR
Retailer 7€362 EUR
Retailer 3€515 EUR
Retailer 2€521 EUR
Retailer 5€1,065 EUR
Retailer 6€1,110 EUR
MOH London€1,195 EUR

26 data points across 7 retailers

7 retailers€351 EUR to €1,110 EUR

A
Cheapest Retailer
-
€351 EUR
$394 USD
B+
Retailer 2
-
€362 EUR
$406 USD
View
A
Retailer 3
-
€515 EUR
ZAR 9,336 ZAR
View
A
Retailer 4
-
€521 EUR
£460 GBP
View
B
Retailer 5
-
€1,065 EUR
$1,195 USD
View
B
Retailer 6
-
€1,110 EUR
$1,245 USD
View
Most Expensive
MOH London
LG831621343 · Oct 19
€1,195 EUR
£1,055 GBP
View
Price last confirmed 14 days ago
6 more retailers have this diamond
Prices start from €351 EURSave up to €759 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
€351 EUR