Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG681584379

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681584379

Diamond specifications and retailer prices

From $176 USD
As of November 5, 2026
Save $841 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,017 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681584379 or 681584379. Listed at 14 retailers as of November 5, 2026, with prices from $176 to $1,017, a $841 spread on the same certified stone. MOH London lists it at $1,017. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681584379
Dimensions7.32 × 7.36 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.36 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681584379
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

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 5
Current: $1,017 USD|Low: $176 USD|High: $1,260 USD|Avg: $555 USD|-0.2%
MOH London
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
November 6, 2026
Retailer 13$176 USD
Retailer 12$204 USD
Retailer 6$218 USD
Retailer 3$243 USD
Retailer 9$374 USD
Retailer 14$374 USD
Retailer 2$386 USD
Retailer 4$388 USD
Retailer 16$411 USD
Retailer 15$478 USD
Retailer 5$702 USD
Retailer 10$715 USD
Retailer 11$741 USD
MOH London$1,017 USD
Retailer 7$1,064 USD
Retailer 8$1,260 USD

10 data points across 16 retailers

14 retailers$176 USD to $1,017 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$204 USD
View
A
Retailer 3
-
$218 USD
View
A
Retailer 4
-
$243 USD
View
A
Retailer 5
-
$374 USD
View
Retailer 6
-
$374 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$386 USD
View
B+
Retailer 8
-
$388 USD
View
A
Retailer 9
-
$411 USD
View
A
Retailer 10
-
$478 USD
View
B+
Retailer 11
-
$702 USD
View
B+
Retailer 12
-
$715 USD
View
B
Retailer 13
-
$741 USD
View
Most Expensive
B
MOH London
LG681584379 · Nov 5
$1,017 USD
£801 GBP
View
13 more retailers have this diamond
Prices start from $176 USDSave up to $841 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
1.50ct Round
$176 USD