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Marquise|Lab Grown|IGI

1.54ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG848668859

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848668859

Diamond specifications and retailer prices

From $299 SGD
As of November 4, 2026
Save $1,924 SGD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,223 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG848668859 or 848668859. Listed at 18 retailers as of November 4, 2026, with prices from $299 to $2,223, a $1,924 spread on the same certified stone. Brilliant Earth lists it at $2,223. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848668859
Dimensions12.50 × 5.99 × 3.64 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.50 mm5.99 mm1.54 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848668859
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.8%

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: Nov 4
Current: $691 SGD|Low: $299 SGD|High: $1,660 SGD|Avg: $775 SGD|+2.7%
Retailer 1
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
November 6, 2026
Retailer 13$299 SGD
Retailer 6$332 SGD
Retailer 4$346 SGD
Retailer 14$370 SGD
Retailer 17$370 SGD
Retailer 7$424 SGD
Retailer 10$470 SGD
Retailer 15$498 SGD
Retailer 5$614 SGD
Retailer 1$691 SGD
Retailer 3$789 SGD
Retailer 12$984 SGD
Retailer 16$1,189 SGD
Retailer 8$1,217 SGD
Retailer 9$1,256 SGD
Retailer 11$1,479 SGD
Retailer 2$1,660 SGD

15 data points across 17 retailers

18 retailers$299 SGD to $2,223 SGD

A
Cheapest Retailer
-
$299 SGD
A
Retailer 2
-
$332 SGD
View
Final sale: no returns
A
Retailer 3
-
$346 SGD
View
Retailer 4
-
$370 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$370 SGD
View
A
Retailer 6
-
$424 SGD
View
A
Retailer 7
-
$470 SGD
View
B+
Retailer 8
-
$498 SGD
View
B+
Retailer 9
-
$614 SGD
View
B+
Retailer 10
-
$691 SGD
View
B+
Retailer 11
-
$789 SGD
View
B+
Retailer 12
-
$984 SGD
View
B
Retailer 13
-
$1,189 SGD
View
B
Retailer 14
-
$1,217 SGD
View
B
Retailer 15
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$1,256 SGD
View
B
Retailer 16
-
$1,479 SGD
View
B
Retailer 17
-
$1,660 SGD
View
Most Expensive
B
Brilliant Earth
22397533A · Nov 4
$2,223 SGD
$1,740 USD
View
17 more retailers have this diamond
Prices start from $299 SGDSave up to $1,924 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
1.54ct Marquise
$299 SGD