Marquise|Lab Grown|IGI

1.90ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG801694269

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801694269

Diamond specifications and retailer prices

From $1,084 USD
As of October 29, 2026
Save $2,896 USD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,980 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.9ct lab-grown marquise diamond

This 1.9ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801694269 or 801694269. Listed at 10 retailers as of October 29, 2026, with prices from $1,084 to $3,980, a $2,896 spread on the same certified stone. Brilliant Earth lists it at $3,980. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694269
Dimensions13.03 × 6.45 × 3.98 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
13.03 mm6.45 mm1.90 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694269
Side View
Table 57.0%Crown 33.5°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 61.7%

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 29
Current: $3,980 USD|Low: $1,084 USD|High: $6,856 USD|Avg: $3,180 USD|-29.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5$1,084 USD
Retailer 7$1,355 USD
Retailer 4$1,493 USD
Retailer 2$1,722 USD
Retailer 8$2,170 USD
Retailer 6$3,040 USD
Retailer 3$3,846 USD
Brilliant Earth$3,980 USD
Retailer 10$4,320 USD
Retailer 9$6,856 USD

24 data points across 10 retailers

10 retailers$1,084 USD to $3,980 USD

A
Cheapest Retailer
-
$1,084 USD
A
Retailer 2
-
$1,355 USD
View
A
Retailer 3
-
$1,493 USD
View
A
Retailer 4
-
$1,722 USD
€1,640 EUR
View
B+
Retailer 5
-
$2,170 USD
A$3,338 AUD
View
Retailer 6
-
$2,975 USD
View
Price last confirmed 51 days ago
B+
Retailer 7
-
$3,040 USD
View
B+
Retailer 8
-
$3,240 USD
View
B
Retailer 9
-
$3,846 USD
£3,028 GBP
View
Most Expensive
B
Brilliant Earth
21014729Y · Oct 30
$3,980 USD
View
9 more retailers have this diamond
Prices start from $1,084 USDSave up to $2,896 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
1.90ct Marquise
$1,084 USD