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Marquise|Lab Grown|IGI

1.53ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818683546

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818683546

Diamond specifications and retailer prices

From $1,152 USD
HK$9,000 HKD
As of October 30, 2026
Save $2,458 USD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,610 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.53ct lab-grown marquise diamond

This 1.53ct 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 LG818683546 or 818683546. Listed at 10 retailers as of October 30, 2026, with prices from $1,152 to $3,610, a $2,458 spread on the same certified stone. Brilliant Earth lists it at $3,610. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683546
Dimensions11.66 × 6.00 × 3.79 mm
L/W Ratio1.94
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
11.66 mm6.00 mm1.53 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683546
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

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: $3,610 USD|Low: $1,152 USD|High: $4,772 USD|Avg: $2,533 USD|-7.7%
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$1,152 USD
Retailer 7$1,215 USD
Retailer 8$1,428 USD
Retailer 2$1,450 USD
Retailer 4$1,512 USD
Retailer 6$2,424 USD
Retailer 10$3,270 USD
Retailer 3$3,560 USD
Retailer 9$3,579 USD
Brilliant Earth$3,610 USD

32 data points across 10 retailers

10 retailers$1,152 USD to $3,610 USD

A
Cheapest Retailer
-
$1,152 USD
HK$9,000 HKD
A
Retailer 2
-
$1,215 USD
View
A
Retailer 3
-
$1,428 USD
View
A
Retailer 4
-
$1,450 USD
£1,142 GBP
View
A
Retailer 5
-
$1,512 USD
€1,440 EUR
View
B+
Retailer 6
-
$2,424 USD
View
B
Retailer 7
-
$3,270 USD
View
B
Retailer 8
-
$3,560 USD
£2,803 GBP
View
B
Retailer 9
-
$3,579 USD
View
Most Expensive
B
Brilliant Earth
21582528A · Oct 30
$3,610 USD
View
9 more retailers have this diamond
Prices start from $1,152 USDSave up to $2,458 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
1.53ct Marquise
$1,152 USD