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Marquise|Lab Grown|IGI

2.05ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG818690291

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818690291

Diamond specifications and retailer prices

From €253 EUR
As of November 4, 2026
Save €1,164 EUR (82%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,417 EUR at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 2.05ct lab-grown marquise diamond

This 2.05ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818690291 or 818690291. Listed at 4 retailers as of November 1, 2026, with prices from €253 to €1,417, a €1,164 spread on the same certified stone. Brilliant Earth lists it at €1,417. 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

2.05
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818690291
Dimensions12.53 × 6.68 × 4.29 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.53 mm6.68 mm2.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818690291
Side View
Table 60.0%Crown 36.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.2%

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 4
Current: €1,417 EUR|Low: €253 EUR|High: €2,397 EUR|Avg: €782 EUR|-40.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3€253 EUR
Retailer 5€441 EUR
Retailer 7€472 EUR
Retailer 2€548 EUR
Retailer 6€576 EUR
Retailer 4€1,118 EUR
Brilliant Earth€1,417 EUR

38 data points across 7 retailers

4 retailers€253 EUR to €1,417 EUR

A
Cheapest Retailer
-
€253 EUR
Final sale: no returns
A
Retailer 2
-
€548 EUR
View
B
Retailer 3
-
€1,118 EUR
View
Most Expensive
B
Brilliant Earth
21228960A · Nov 1
€1,417 EUR
$1,590 USD
View
3 more retailers have this diamond
Prices start from €253 EURSave up to €1,164 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
2.05ct Marquise
€253 EUR