Marquise|Lab Grown|IGI

1.23ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG845607242

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845607242

Diamond specifications and retailer prices

From €189 EUR
$211 USD
As of November 1, 2026
Save €1,013 EUR (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,202 EUR at Michael Trio · As of November 2, 2026
View at Michael Trio

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845607242 or 845607242. Listed at 13 retailers as of November 1, 2026, with prices from €189 to €1,202, a €1,013 spread on the same certified stone. Michael Trio lists it at €1,202. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845607242
Dimensions11.09 × 5.58 × 3.40 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.09 mm5.58 mm1.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845607242
Side View
Table 61.0%Crown 39.5°Girdle: MED-THKPavilion 39.9°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: Nov 1
Current: €1,202 EUR|Low: €189 EUR|High: €1,207 EUR|Avg: €502 EUR|-0.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 7€189 EUR
Retailer 6€195 EUR
Retailer 10€210 EUR
Retailer 9€264 EUR
Retailer 4€285 EUR
Retailer 8€363 EUR
Retailer 2€379 EUR
Retailer 13€400 EUR
Retailer 11€499 EUR
Retailer 12€677 EUR
Retailer 5€707 EUR
Retailer 3€725 EUR
Michael Trio€1,202 EUR

4 data points across 13 retailers

13 retailers€189 EUR to €1,202 EUR

A
Cheapest Retailer
-
€189 EUR
$211 USD
Final sale: no returns
A
Retailer 2
-
€195 EUR
$218 USD
View
A
Retailer 3
-
€210 EUR
$235 USD
View
A
Retailer 4
-
€264 EUR
£232 GBP
View
B+
Retailer 5
-
€285 EUR
$318 USD
View
A
Retailer 6
-
€363 EUR
ZAR 6,556 ZAR
View
A
Retailer 7
-
€379 EUR
£334 GBP
View
A
Retailer 8
-
€400 EUR
$447 USD
View
B+
Retailer 9
-
€499 EUR
$557 USD
View
B+
Retailer 10
-
€677 EUR
$756 USD
View
B+
Retailer 11
-
€707 EUR
$790 USD
View
B+
Retailer 12
-
€725 EUR
$810 USD
View
Most Expensive
B
Michael Trio
1026511183 · Nov 2
€1,202 EUR
SGD 1,815 SGD
View
12 more retailers have this diamond
Prices start from €189 EURSave up to €1,013 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
€189 EUR