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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 $738 USD
As of October 27, 2026
Save $2,640 USD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,410 USD 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 27, 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
Color
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

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 27
Current: $4,410 USD|Low: $708 USD|High: $6,000 USD|Avg: $2,037 USD|-26.5%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 4$738 USD
Retailer 21$803 USD
Retailer 14$826 USD
Retailer 6$856 USD
Retailer 9$856 USD
Retailer 16$1,030 USD
Retailer 7$1,192 USD
Retailer 3$1,225 USD
Retailer 2$1,374 USD
Retailer 18$1,419 USD
Retailer 5$1,762 USD
Retailer 17$2,030 USD
Retailer 20$2,108 USD
Retailer 13$2,208 USD
Retailer 12$2,406 USD
Retailer 11$2,667 USD
Retailer 8$2,893 USD
Retailer 19$2,930 USD
Retailer 10$2,950 USD
Retailer 15$3,378 USD
Brilliant Earth$4,410 USD

40 data points across 21 retailers

20 retailers$738 USD to $3,378 USD

A
Cheapest Retailer
-
$738 USD
A
Retailer 2
-
$803 USD
View
A
Retailer 3
-
$826 USD
View
Final sale: no returns
Retailer 4
-
$856 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$856 USD
View
A
Retailer 6
-
$1,030 USD
View
A
Retailer 7
-
$1,192 USD
View
A
Retailer 8
-
$1,225 USD
View
A
Retailer 9
-
$1,374 USD
£1,082 GBP
View
A
Retailer 10
-
$1,762 USD
View
Retailer 11
-
$2,030 USD
A$3,123 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$2,108 USD
View
A
Retailer 13
-
$2,208 USD
ZAR 35,669 ZAR
View
A
Retailer 14
-
$2,406 USD
View
B+
Retailer 15
-
$2,667 USD
£2,100 GBP
View
B+
Retailer 16
-
$2,893 USD
View
B+
Retailer 17
-
$2,930 USD
View
B+
Retailer 18
-
$2,950 USD
View
B+
Retailer 19
-
$3,378 USD
£2,660 GBP
View
Most Expensive
Brilliant Earth
16422715A · Oct 21
$4,410 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $738 USDSave up to $2,640 USD

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
$738 USD