Marquise|Lab Grown|IGI

1.23ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG816614181

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816614181

Diamond specifications and retailer prices

From €247 EUR
£218 GBP
As of October 30, 2026
Save €719 EUR (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €966 EUR at MOH London · As of October 29, 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 LG816614181 or 816614181. Listed at 14 retailers as of October 29, 2026, with prices from €247 to €966, a €719 spread on the same certified stone. MOH London lists it at €966. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816614181
Dimensions11.97 × 5.40 × 3.39 mm
L/W Ratio2.22
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.97 mm5.40 mm1.23 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816614181
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.8%

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: €966 EUR|Low: €247 EUR|High: €1,097 EUR|Avg: €535 EUR|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 9€247 EUR
Retailer 13€278 EUR
Retailer 3€360 EUR
Retailer 2€369 EUR
Retailer 6€371 EUR
Retailer 10€399 EUR
Retailer 7€490 EUR
Retailer 5€511 EUR
Retailer 12€584 EUR
Retailer 4€612 EUR
Retailer 14€674 EUR
Retailer 11€709 EUR
Retailer 8€731 EUR
MOH London€966 EUR

39 data points across 14 retailers

14 retailers€247 EUR to €966 EUR

A
Cheapest Retailer
-
€247 EUR
£218 GBP
B+
Retailer 2
-
€278 EUR
$312 USD
View
A
Retailer 3
-
€360 EUR
ZAR 6,521 ZAR
View
A
Retailer 4
-
€369 EUR
£326 GBP
View
A
Retailer 5
-
€371 EUR
View
A
Retailer 6
-
€399 EUR
$447 USD
View
A
Retailer 7
-
€490 EUR
$550 USD
View
B+
Retailer 8
-
€511 EUR
A$882 AUD
View
B+
Retailer 9
-
€584 EUR
$655 USD
View
B+
Retailer 10
-
€612 EUR
A$1,056 AUD
View
B+
Retailer 11
-
€674 EUR
SGD 1,021 SGD
View
B+
Retailer 12
-
€709 EUR
$795 USD
View
B+
Retailer 13
-
€731 EUR
$820 USD
View
Most Expensive
B
MOH London
LG816614181 · Oct 29
€966 EUR
£853 GBP
View
13 more retailers have this diamond
Prices start from €247 EURSave up to €719 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
€247 EUR