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Marquise|Lab Grown|IGI

1.25ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG838649551

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838649551

Diamond specifications and retailer prices

From €380 EUR
$426 USD
As of November 1, 2026
Save €643 EUR (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,022 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838649551 or 838649551. Listed at 6 retailers as of November 1, 2026, with prices from €380 to €1,022, a €643 spread on the same certified stone. MOH London lists it at €1,022. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838649551
Dimensions11.03 × 5.51 × 3.52 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.03 mm5.51 mm1.25 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838649551
Side View
Table 63.0%Crown 35.4°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
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: €1,022 EUR|Low: €380 EUR|High: €1,028 EUR|Avg: €592 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6€380 EUR
Retailer 2€400 EUR
Retailer 4€414 EUR
Retailer 3€593 EUR
Retailer 5€751 EUR
MOH London€1,022 EUR

9 data points across 6 retailers

6 retailers€380 EUR to €1,022 EUR

A
Cheapest Retailer
-
€380 EUR
$426 USD
A
Retailer 2
-
€400 EUR
£354 GBP
View
A
Retailer 3
-
€414 EUR
$464 USD
View
B+
Retailer 4
-
€593 EUR
$665 USD
View
B
Retailer 5
-
€751 EUR
$842 USD
View
Most Expensive
B
MOH London
LG838649551 · Nov 1
€1,022 EUR
£903 GBP
View
5 more retailers have this diamond
Prices start from €380 EURSave up to €643 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
1.25ct Marquise
€380 EUR