CaratHunter
Plans
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 $1,543 AUD
$1,084 USD
As of October 30, 2026
Save $4,123 AUD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,666 AUD 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 30, 2026, with prices from $1,543 to $5,666, a $4,123 spread on the same certified stone. Brilliant Earth lists it at $5,666. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,666 AUD|Low: $1,543 AUD|High: $9,760 AUD|Avg: $4,527 AUD|-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$1,543 AUD
Retailer 7$1,929 AUD
Retailer 4$2,125 AUD
Retailer 2$2,451 AUD
Retailer 8$3,089 AUD
Retailer 6$4,328 AUD
Retailer 3$5,475 AUD
Brilliant Earth$5,666 AUD
Retailer 10$6,150 AUD
Retailer 9$9,760 AUD

24 data points across 10 retailers

10 retailers$1,543 AUD to $5,666 AUD

A
Cheapest Retailer
-
$1,543 AUD
$1,084 USD
A
Retailer 2
-
$1,929 AUD
$1,355 USD
View
A
Retailer 3
-
$2,125 AUD
$1,493 USD
View
A
Retailer 4
-
$2,451 AUD
€1,640 EUR
View
B+
Retailer 5
-
$3,089 AUD
View
Retailer 6
-
$4,235 AUD
$2,975 USD
View
Price last confirmed 51 days ago
B+
Retailer 7
-
$4,328 AUD
$3,040 USD
View
B+
Retailer 8
-
$4,612 AUD
$3,240 USD
View
B
Retailer 9
-
$5,475 AUD
£3,028 GBP
View
Most Expensive
B
Brilliant Earth
21014729Y · Oct 30
$5,666 AUD
$3,980 USD
View
9 more retailers have this diamond
Prices start from $1,543 AUDSave up to $4,123 AUD

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
$1,543 AUD