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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 $1,473 SGD
HK$9,000 HKD
As of October 31, 2026
Save $3,142 SGD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,615 SGD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $1,473 to $4,615, a $3,142 spread on the same certified stone. Brilliant Earth lists it at $4,615. 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
Colour
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 31
Current: $4,615 SGD|Low: $1,473 SGD|High: $6,101 SGD|Avg: $3,229 SGD|-7.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5$1,473 SGD
Retailer 7$1,553 SGD
Retailer 8$1,826 SGD
Retailer 3$1,854 SGD
Retailer 4$1,933 SGD
Retailer 6$3,098 SGD
Retailer 10$4,180 SGD
Retailer 2$4,528 SGD
Retailer 9$4,575 SGD
Brilliant Earth$4,615 SGD

33 data points across 10 retailers

10 retailers$1,473 SGD to $4,615 SGD

A
Cheapest Retailer
-
$1,473 SGD
HK$9,000 HKD
A
Retailer 2
-
$1,553 SGD
$1,215 USD
View
A
Retailer 3
-
$1,826 SGD
$1,428 USD
View
A
Retailer 4
-
$1,854 SGD
£1,142 GBP
View
A
Retailer 5
-
$1,933 SGD
€1,440 EUR
View
Retailer 6
-
$3,098 SGD
$2,424 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$4,180 SGD
$3,270 USD
View
B
Retailer 8
-
$4,528 SGD
£2,789 GBP
View
B
Retailer 9
-
$4,575 SGD
$3,579 USD
View
Most Expensive
B
Brilliant Earth
21582528A · Oct 31
$4,615 SGD
$3,610 USD
View
9 more retailers have this diamond
Prices start from $1,473 SGDSave up to $3,142 SGD

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
$1,473 SGD