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Marquise|Lab Grown|IGI

1.23ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG790620208

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790620208

Diamond specifications and retailer prices

From €192 EUR
$215 USD
As of October 30, 2026
Save €600 EUR (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €792 EUR at Frank Darling · As of October 29, 2026
View at Frank Darling

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 LG790620208 or 790620208. Listed at 6 retailers as of October 29, 2026, with prices from €192 to €792, a €600 spread on the same certified stone. Frank Darling lists it at €792. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790620208
Dimensions11.36 × 5.50 × 3.44 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm5.50 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790620208
Side View
Table 61.0%Crown 36.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.5%

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: Oct 30
Current: €792 EUR|Low: €109 EUR|High: €1,031 EUR|Avg: €493 EUR|+1.9%
Frank Darling
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 28, 2026
Retailer 12€109 EUR
Retailer 2€192 EUR
Retailer 8€297 EUR
Retailer 3€345 EUR
Retailer 10€387 EUR
Retailer 5€399 EUR
Retailer 11€418 EUR
Retailer 9€451 EUR
Retailer 7€550 EUR
Retailer 4€613 EUR
Retailer 6€653 EUR
Retailer 13€716 EUR
Frank Darling€792 EUR
Retailer 14€1,031 EUR

17 data points across 14 retailers

6 retailers€192 EUR to €792 EUR

A
Cheapest Retailer
-
€192 EUR
$215 USD
Final sale: no returns
B+
Retailer 2
-
€297 EUR
$332 USD
View
Retailer 3
-
€451 EUR
$504 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
€550 EUR
$615 USD
View
Retailer 5
-
€653 EUR
A$1,122 AUD
View
Price last confirmed 141 days ago
Most Expensive
B
Frank Darling
100757102493KD · Oct 29
€792 EUR
$885 USD
View
5 more retailers have this diamond
Prices start from €192 EURSave up to €600 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
€192 EUR