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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 $234 USD
As of November 4, 2026
Save $1,506 USD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,740 USD 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 $234 to $1,740, a $1,506 spread on the same certified stone. Brilliant Earth lists it at $1,740. 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
Color
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

How it works →
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: $541 USD|Low: $234 USD|High: $1,300 USD|Avg: $607 USD|+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$234 USD
Retailer 6$260 USD
Retailer 4$271 USD
Retailer 14$290 USD
Retailer 17$290 USD
Retailer 7$332 USD
Retailer 10$368 USD
Retailer 15$390 USD
Retailer 5$481 USD
Retailer 1$541 USD
Retailer 3$618 USD
Retailer 12$770 USD
Retailer 16$931 USD
Retailer 8$953 USD
Retailer 9$983 USD
Retailer 11$1,158 USD
Retailer 2$1,300 USD

15 data points across 17 retailers

18 retailers$234 USD to $1,740 USD

A
Cheapest Retailer
-
$234 USD
A
Retailer 2
-
$260 USD
View
Final sale: no returns
A
Retailer 3
-
$271 USD
View
Retailer 4
-
$290 USD
View
Price last confirmed 12 days ago
A
Retailer 5
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$290 USD
View
A
Retailer 6
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$332 USD
View
A
Retailer 7
-
$368 USD
View
B+
Retailer 8
-
$390 USD
View
B+
Retailer 9
-
$481 USD
View
B+
Retailer 10
-
$541 USD
View
B+
Retailer 11
-
$618 USD
View
B+
Retailer 12
-
$770 USD
View
B
Retailer 13
-
$931 USD
View
B
Retailer 14
-
$953 USD
View
B
Retailer 15
-
$983 USD
View
B
Retailer 16
-
$1,158 USD
View
B
Retailer 17
-
$1,300 USD
View
Most Expensive
B
Brilliant Earth
22397533A · Nov 4
$1,740 USD
View
17 more retailers have this diamond
Prices start from $234 USDSave up to $1,506 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
1.54ct Marquise
$234 USD