Radiant|Lab Grown|IGI

1.50ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG662411648

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

Certificate IGI LG662411648

Diamond specifications and retailer prices

From $424 USD
As of November 4, 2026
Save $2,096 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,520 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662411648 or 662411648. Listed at 23 retailers as of November 2, 2026, with prices from $424 to $2,520, a $2,096 spread on the same certified stone. Brilliant Earth lists it at $2,520. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662411648
Dimensions8.43 × 5.43 × 3.82 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.43 mm5.43 mm1.50 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662411648
Side View
Table 64.0%Crown 38.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 70.3%

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: $2,520 USD|Low: $407 USD|High: $2,520 USD|Avg: $1,149 USD
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
November 5, 2026
Retailer 4$424 USD
Retailer 8$475 USD
Retailer 6$526 USD
Retailer 9$526 USD
Retailer 16$670 USD
Retailer 3$730 USD
Retailer 13$827 USD
Retailer 10$859 USD
Retailer 12$907 USD
Retailer 15$1,225 USD
Retailer 14$1,337 USD
Retailer 11$1,476 USD
Retailer 7$1,691 USD
Retailer 5$1,900 USD
Retailer 2$1,927 USD
Retailer 17$1,975 USD
Brilliant Earth$2,520 USD

43 data points across 17 retailers

23 retailers$424 USD to $2,520 USD

A
Cheapest Retailer
-
$424 USD
A
Retailer 2
-
$475 USD
View
Final sale: no returns
A
Retailer 3
-
$475 USD
View
Retailer 4
-
$526 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$526 USD
View
A
Retailer 6
-
$670 USD
View
A
Retailer 7
-
$730 USD
View
B+
Retailer 8
-
$827 USD
View
A
Retailer 9
-
$827 USD
View
A
Retailer 10
-
$859 USD
View
B+
Retailer 11
-
$907 USD
View
B+
Retailer 12
-
$1,225 USD
View
B
Retailer 13
-
$1,330 USD
View
B+
Retailer 14
-
$1,337 USD
View
B
Retailer 15
-
$1,476 USD
View
B
Retailer 16
-
$1,691 USD
View
B
Retailer 17
-
$1,724 USD
View
B
Retailer 18
-
$1,900 USD
View
B
Retailer 19
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$1,927 USD
View
B
Retailer 20
-
$1,969 USD
View
Retailer 21
-
$1,975 USD
View
Price last confirmed 15 days ago
B
Retailer 22
-
$2,352 USD
View
Most Expensive
B
Brilliant Earth
14081202A · Nov 2
$2,520 USD
View
22 more retailers have this diamond
Prices start from $424 USDSave up to $2,096 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 Radiant
$424 USD