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Round|Lab Grown|IGI

1.54ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG831697221

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831697221

Diamond specifications and retailer prices

From $486 USD
As of October 29, 2026
Save $2,004 USD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,490 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round 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 LG831697221 or 831697221. Listed at 19 retailers as of October 29, 2026, with prices from $486 to $2,490, a $2,004 spread on the same certified stone. Brilliant Earth lists it at $2,490. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831697221
Dimensions7.38 × 7.44 × 4.56 mm
L/W Ratio1.01
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
7.38 mm7.44 mm1.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831697221
Side View
Table 56.0%Crown 34.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.6%

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: Oct 29
Current: $2,490 USD|Low: $486 USD|High: $3,070 USD|Avg: $1,265 USD|-18.9%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 14$486 USD
Retailer 18$543 USD
Retailer 9$544 USD
Retailer 8$602 USD
Retailer 4$740 USD
Retailer 19$848 USD
Retailer 12$908 USD
Retailer 16$912 USD
Retailer 15$921 USD
Retailer 5$966 USD
Retailer 13$996 USD
Retailer 17$1,035 USD
Retailer 2$1,388 USD
Retailer 10$1,404 USD
Retailer 6$1,584 USD
Retailer 11$1,964 USD
Retailer 7$2,098 USD
Retailer 3$2,105 USD
Brilliant Earth$2,490 USD

5 data points across 19 retailers

19 retailers$486 USD to $2,490 USD

A
Cheapest Retailer
-
$486 USD
A
Retailer 2
-
$543 USD
View
Final sale: no returns
A
Retailer 3
-
$544 USD
View
A
Retailer 4
-
$602 USD
View
A
Retailer 5
-
$740 USD
View
A
Retailer 6
-
$848 USD
View
A
Retailer 7
-
$908 USD
£715 GBP
View
A
Retailer 8
-
$912 USD
View
A
Retailer 9
-
$921 USD
€877 EUR
View
A
Retailer 10
-
$966 USD
View
A
Retailer 11
-
$996 USD
£784 GBP
View
B+
Retailer 12
-
$1,035 USD
ZAR 16,722 ZAR
View
B+
Retailer 13
-
$1,388 USD
View
B+
Retailer 14
-
$1,404 USD
View
B+
Retailer 15
-
$1,584 USD
View
B
Retailer 16
-
$1,964 USD
View
B
Retailer 17
-
$2,098 USD
View
B
Retailer 18
-
$2,105 USD
View
Most Expensive
B
Brilliant Earth
22318560A · Oct 30
$2,490 USD
View
18 more retailers have this diamond
Prices start from $486 USDSave up to $2,004 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 Round
$486 USD