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Marquise|Lab Grown|IGI

1.23ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG791647824

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791647824

Diamond specifications and retailer prices

From €358 EUR
$402 USD
As of October 30, 2026
Save €594 EUR (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €952 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791647824 or 791647824. Listed at 6 retailers as of October 26, 2026, with prices from €358 to €952, a €594 spread on the same certified stone. MOH London lists it at €952. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791647824
Dimensions11.84 × 5.47 × 3.33 mm
L/W Ratio2.16
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm5.47 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG791647824
Side View
Table 55.0%Crown 35.3°Girdle: THN-MEDPavilion 39.6°Culet: NoneDepth 60.9%

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: Oct 30
Current: €952 EUR|Low: €340 EUR|High: €973 EUR|Avg: €539 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3€358 EUR
Retailer 2€368 EUR
Retailer 5€399 EUR
Retailer 4€491 EUR
Retailer 6€702 EUR
MOH London€952 EUR

36 data points across 6 retailers

6 retailers€358 EUR to €952 EUR

A
Cheapest Retailer
-
€358 EUR
$402 USD
A
Retailer 2
-
€368 EUR
£325 GBP
View
A
Retailer 3
-
€399 EUR
$447 USD
View
B+
Retailer 4
-
€491 EUR
$551 USD
View
B+
Retailer 5
-
€702 EUR
$788 USD
View
Most Expensive
B
MOH London
LG791647824 · Oct 26
€952 EUR
£841 GBP
View
5 more retailers have this diamond
Prices start from €358 EURSave up to €594 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
1.23ct Marquise
€358 EUR