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Round|Lab Grown|IGI

1.54ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG788621388

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788621388

Diamond specifications and retailer prices

From $482 USD
As of October 29, 2026
Save $2,668 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,150 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 LG788621388 or 788621388. Listed at 22 retailers as of October 29, 2026, with prices from $482 to $3,150, a $2,668 spread on the same certified stone. Brilliant Earth lists it at $3,150. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621388
Dimensions7.44 × 7.49 × 4.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.44 mm7.49 mm1.54 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621388
Side View
Table 61.0%Crown 35.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.1%

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: $3,150 USD|Low: $462 USD|High: $3,780 USD|Avg: $1,340 USD|-16.7%
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
October 30, 2026
Retailer 17$482 USD
Retailer 10$539 USD
Retailer 15$539 USD
Retailer 3$597 USD
Retailer 4$597 USD
Retailer 6$798 USD
Retailer 14$800 USD
Retailer 9$832 USD
Retailer 16$902 USD
Retailer 2$989 USD
Retailer 13$1,026 USD
Retailer 5$1,386 USD
Retailer 8$1,884 USD
Retailer 18$1,920 USD
Retailer 7$2,069 USD
Retailer 12$2,333 USD
Retailer 11$2,506 USD
Brilliant Earth$3,150 USD

42 data points across 18 retailers

22 retailers$482 USD to $3,150 USD

A
Cheapest Retailer
-
$482 USD
A
Retailer 2
-
$539 USD
View
Final sale: no returns
A
Retailer 3
-
$539 USD
View
Retailer 4
-
$597 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$597 USD
View
A
Retailer 6
-
$798 USD
View
A
Retailer 7
-
$800 USD
View
A
Retailer 8
-
$832 USD
View
A
Retailer 9
-
$902 USD
A$1,388 AUD
View
A
Retailer 10
-
$965 USD
View
B+
Retailer 11
-
$989 USD
£779 GBP
View
A
Retailer 12
-
$1,026 USD
ZAR 16,578 ZAR
View
B+
Retailer 13
-
$1,386 USD
View
B
Retailer 14
-
$1,884 USD
SGD 2,546 SGD
View
B
Retailer 15
-
$1,920 USD
View
B
Retailer 16
-
$1,948 USD
View
B
Retailer 17
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$2,069 USD
View
B
Retailer 18
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$2,092 USD
View
B
Retailer 19
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$2,234 USD
View
B
Retailer 20
-
$2,333 USD
€2,222 EUR
View
B
Retailer 21
-
$2,506 USD
£1,973 GBP
View
Most Expensive
B
Brilliant Earth
19705382A · Oct 30
$3,150 USD
View
21 more retailers have this diamond
Prices start from $482 USDSave up to $2,668 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
$482 USD