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Marquise|Lab Grown|IGI

3.23ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG801658975

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801658975

Diamond specifications and retailer prices

From €542 EUR
$605 USD
As of October 30, 2026
Save €2,375 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,917 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 3.23ct lab-grown marquise diamond

This 3.23ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG801658975 or 801658975. Listed at 14 retailers as of October 26, 2026, with prices from €542 to €2,917, a €2,375 spread on the same certified stone. MOH London lists it at €2,917. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.23
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801658975
Dimensions14.79 × 7.84 × 4.93 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.79 mm7.84 mm3.23 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801658975
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.9%

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: €2,917 EUR|Low: €519 EUR|High: €2,952 EUR|Avg: €1,302 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 9€542 EUR
Retailer 12€606 EUR
Retailer 10€671 EUR
Retailer 6€788 EUR
Retailer 3€900 EUR
Retailer 4€987 EUR
Retailer 2€1,041 EUR
Retailer 5€1,360 EUR
Retailer 8€1,665 EUR
Retailer 11€1,765 EUR
Retailer 7€2,470 EUR
MOH London€2,917 EUR

43 data points across 12 retailers

14 retailers€542 EUR to €2,917 EUR

A
Cheapest Retailer
-
€542 EUR
$605 USD
A
Retailer 2
-
€606 EUR
$677 USD
View
Retailer 3
-
€671 EUR
$750 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
€671 EUR
$750 USD
View
A
Retailer 5
-
€788 EUR
$880 USD
View
A
Retailer 6
-
€900 EUR
$1,005 USD
View
B+
Retailer 7
-
€987 EUR
$1,103 USD
View
A
Retailer 8
-
€1,041 EUR
£916 GBP
View
B+
Retailer 9
-
€1,061 EUR
$1,185 USD
View
B+
Retailer 10
-
€1,360 EUR
A$2,338 AUD
View
B
Retailer 11
-
€1,665 EUR
$1,860 USD
View
B
Retailer 12
-
€1,765 EUR
$1,972 USD
View
B
Retailer 13
-
€2,470 EUR
$2,760 USD
View
Most Expensive
B
MOH London
LG801658975 · Oct 26
€2,917 EUR
£2,566 GBP
View
13 more retailers have this diamond
Prices start from €542 EURSave up to €2,375 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
3.23ct Marquise
€542 EUR