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Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG761566622

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG761566622

Diamond specifications and retailer prices

From $291 USD
As of October 27, 2026
Save $2,619 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,910 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG761566622 or 761566622. Listed at 22 retailers as of October 27, 2026, with prices from $291 to $2,910, a $2,619 spread on the same certified stone. Brilliant Earth lists it at $2,910. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761566622
Dimensions8.11 × 5.79 × 3.81 mm
L/W Ratio1.40
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
8.11 mm5.79 mm1.54 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761566622
Side View
Table 65.0%Crown 38.3°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $2,910 USD|Low: $291 USD|High: $3,100 USD|Avg: $1,018 USD|-6.1%
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 20$291 USD
Retailer 6$326 USD
Retailer 13$361 USD
Retailer 10$362 USD
Retailer 8$540 USD
Retailer 17$593 USD
Retailer 5$610 USD
Retailer 18$621 USD
Retailer 14$622 USD
Retailer 2$638 USD
Retailer 15$840 USD
Retailer 7$955 USD
Retailer 11$1,049 USD
Retailer 16$1,210 USD
Retailer 12$1,392 USD
Retailer 3$1,453 USD
Retailer 19$1,485 USD
Retailer 9$1,511 USD
Retailer 4$2,275 USD
Brilliant Earth$2,910 USD

38 data points across 20 retailers

22 retailers$291 USD to $2,910 USD

A
Cheapest Retailer
-
$291 USD
A
Retailer 2
-
$326 USD
View
Final sale: no returns
A
Retailer 3
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$361 USD
View
A
Retailer 4
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$362 USD
View
A
Retailer 5
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$540 USD
View
A
Retailer 6
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$593 USD
View
A
Retailer 7
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$610 USD
€581 EUR
View
A
Retailer 8
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$621 USD
ZAR 10,028 ZAR
View
A
Retailer 9
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$622 USD
View
A
Retailer 10
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$638 USD
£502 GBP
View
A
Retailer 11
-
$840 USD
A$1,292 AUD
View
B+
Retailer 12
-
$955 USD
View
B+
Retailer 13
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$1,049 USD
View
B+
Retailer 14
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$1,210 USD
View
B+
Retailer 15
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$1,266 USD
View
B+
Retailer 16
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$1,392 USD
View
B+
Retailer 17
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$1,453 USD
£1,144 GBP
View
B+
Retailer 18
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$1,485 USD
View
B+
Retailer 19
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$1,511 USD
View
Retailer 20
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$2,238 USD
A$3,443 AUD
View
Price last confirmed 118 days ago
Retailer 21
-
$2,275 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
18477189A · Oct 29
$2,910 USD
View
21 more retailers have this diamond
Prices start from $291 USDSave up to $2,619 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 Radiant
$291 USD