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Marquise|Lab Grown|IGI

2.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG666429657

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG666429657

Diamond specifications and retailer prices

From €661 EUR
$738 USD
As of October 30, 2026
Save €2,363 EUR (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,947 EUR at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 2.09ct lab-grown marquise diamond

This 2.09ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG666429657 or 666429657. Listed at 20 retailers as of October 29, 2026, with a 358% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666429657
Dimensions13.34 × 6.64 × 4.15 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.34 mm6.64 mm2.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666429657
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

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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: €3,947 EUR|Low: €634 EUR|High: €5,371 EUR|Avg: €1,820 EUR|-26.5%
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 4€661 EUR
Retailer 21€719 EUR
Retailer 14€739 EUR
Retailer 6€766 EUR
Retailer 9€766 EUR
Retailer 17€922 EUR
Retailer 7€1,067 EUR
Retailer 3€1,096 EUR
Retailer 13€1,230 EUR
Retailer 18€1,270 EUR
Retailer 5€1,577 EUR
Retailer 2€1,819 EUR
Retailer 20€1,887 EUR
Retailer 15€1,976 EUR
Retailer 12€2,154 EUR
Retailer 11€2,387 EUR
Retailer 8€2,589 EUR
Retailer 19€2,623 EUR
Retailer 10€2,641 EUR
Retailer 16€3,024 EUR
Brilliant Earth€3,947 EUR

40 data points across 21 retailers

20 retailers€661 EUR to €3,024 EUR

A
Cheapest Retailer
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€661 EUR
$738 USD
A
Retailer 2
-
€719 EUR
$803 USD
View
A
Retailer 3
-
€739 EUR
$826 USD
View
Final sale: no returns
Retailer 4
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€766 EUR
$856 USD
View
Price last confirmed 14 days ago
A
Retailer 5
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€766 EUR
$856 USD
View
A
Retailer 6
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€922 EUR
$1,030 USD
View
A
Retailer 7
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€1,067 EUR
$1,192 USD
View
A
Retailer 8
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€1,096 EUR
$1,225 USD
View
A
Retailer 9
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€1,230 EUR
£1,082 GBP
View
A
Retailer 10
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€1,577 EUR
$1,762 USD
View
A
Retailer 11
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€1,819 EUR
A$3,126 AUD
View
A
Retailer 12
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€1,887 EUR
$2,108 USD
View
A
Retailer 13
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€1,976 EUR
ZAR 35,669 ZAR
View
A
Retailer 14
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€2,154 EUR
$2,406 USD
View
B+
Retailer 15
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€2,387 EUR
£2,100 GBP
View
B+
Retailer 16
-
€2,589 EUR
$2,893 USD
View
B+
Retailer 17
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€2,623 EUR
$2,930 USD
View
B+
Retailer 18
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€2,641 EUR
$2,950 USD
View
B+
Retailer 19
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€3,024 EUR
£2,660 GBP
View
Most Expensive
Brilliant Earth
16422715A · Oct 21
€3,947 EUR
$4,410 USD
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from €661 EURSave up to €2,363 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
2.09ct Marquise
€661 EUR