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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG836619913

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836619913

Diamond specifications and retailer prices

From $943 SGD
$738 USD
As of October 30, 2026
Save $3,608 SGD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,551 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct 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 LG836619913 or 836619913. Listed at 21 retailers as of October 30, 2026, with prices from $943 to $4,551, a $3,608 spread on the same certified stone. Brilliant Earth lists it at $4,551. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619913
Dimensions11.52 × 5.99 × 3.88 mm
L/W Ratio1.92
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
11.52 mm5.99 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619913
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 42°Culet: NoneDepth 64.8%

Caratlytics Score

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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 30
Current: $4,551 SGD|Low: $943 SGD|High: $4,922 SGD|Avg: $2,681 SGD|-7.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 6$943 SGD
Retailer 3$1,027 SGD
Retailer 20$1,094 SGD
Retailer 11$1,110 SGD
Retailer 17$1,323 SGD
Retailer 4$1,491 SGD
Retailer 2$1,757 SGD
Retailer 19$1,772 SGD
Retailer 18$1,815 SGD
Retailer 14$2,012 SGD
Retailer 7$2,366 SGD
Retailer 12$3,077 SGD
Retailer 9$3,409 SGD
Retailer 15$3,613 SGD
Retailer 10$3,773 SGD
Retailer 8$3,978 SGD
Retailer 16$4,148 SGD
Retailer 5$4,239 SGD
Retailer 13$4,320 SGD
Brilliant Earth$4,551 SGD

30 data points across 20 retailers

21 retailers$943 SGD to $4,551 SGD

A
Cheapest Retailer
-
$943 SGD
$738 USD
A
Retailer 2
-
$1,027 SGD
$803 USD
View
A
Retailer 3
-
$1,094 SGD
$856 USD
View
A
Retailer 4
-
$1,110 SGD
$868 USD
View
Final sale: no returns
Retailer 5
-
$1,140 SGD
$892 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,323 SGD
$1,035 USD
View
A
Retailer 7
-
$1,491 SGD
$1,166 USD
View
A
Retailer 8
-
$1,757 SGD
£1,082 GBP
View
A
Retailer 9
-
$1,772 SGD
$1,386 USD
View
A
Retailer 10
-
$1,815 SGD
€1,352 EUR
View
A
Retailer 11
-
$2,012 SGD
ZAR 25,422 ZAR
View
B+
Retailer 12
-
$2,366 SGD
$1,851 USD
View
B+
Retailer 13
-
$3,077 SGD
$2,407 USD
View
B
Retailer 14
-
$3,409 SGD
£2,100 GBP
View
B+
Retailer 15
-
$3,613 SGD
$2,826 USD
View
B
Retailer 16
-
$3,773 SGD
$2,951 USD
View
B
Retailer 17
-
$3,978 SGD
View
B
Retailer 18
-
$4,148 SGD
$3,245 USD
View
B
Retailer 19
-
$4,239 SGD
$3,316 USD
View
B
Retailer 20
-
$4,320 SGD
£2,661 GBP
View
Most Expensive
B
Brilliant Earth
21589183A · Oct 31
$4,551 SGD
$3,560 USD
View
20 more retailers have this diamond
Prices start from $943 SGDSave up to $3,608 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
1.51ct Marquise
$943 SGD