Radiant|Lab Grown|IGI

1.54ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG644464594

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

Certificate IGI LG644464594

Diamond specifications and retailer prices

From $428 USD
As of November 4, 2026
Save $2,142 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,570 USD at Brilliant Earth · As of November 4, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644464594 or 644464594. Listed at 23 retailers as of November 4, 2026, with prices from $428 to $2,570, a $2,142 spread on the same certified stone. Brilliant Earth lists it at $2,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644464594
Dimensions7.68 × 5.76 × 3.99 mm
L/W Ratio1.33
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.68 mm5.76 mm1.54 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644464594
Side View
Table 63.0%Crown 46.3°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,570 USD|Low: $420 USD|High: $2,580 USD|Avg: $1,219 USD|-0.4%
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
Retailer 19
Retailer 20
November 5, 2026
Retailer 11$428 USD
Retailer 7$480 USD
Retailer 4$495 USD
Retailer 19$531 USD
Retailer 6$675 USD
Retailer 5$712 USD
Retailer 20$772 USD
Retailer 13$868 USD
Retailer 16$888 USD
Retailer 17$915 USD
Retailer 8$1,085 USD
Retailer 14$1,240 USD
Retailer 15$1,490 USD
Retailer 3$1,707 USD
Retailer 9$1,739 USD
Retailer 2$1,945 USD
Retailer 12$1,955 USD
Retailer 10$1,988 USD
Retailer 18$2,295 USD
Brilliant Earth$2,570 USD

42 data points across 20 retailers

23 retailers$428 USD to $2,570 USD

A
Cheapest Retailer
-
$428 USD
A
Retailer 2
-
$480 USD
View
A
Retailer 3
-
$495 USD
View
Final sale: no returns
A
Retailer 4
-
$531 USD
View
Retailer 5
-
$542 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$675 USD
View
A
Retailer 7
-
$712 USD
View
A
Retailer 8
-
$772 USD
View
A
Retailer 9
-
$868 USD
View
B+
Retailer 10
-
$888 USD
View
B+
Retailer 11
-
$915 USD
View
B+
Retailer 12
-
$1,085 USD
View
Retailer 13
-
$1,198 USD
View
Price last confirmed 163 days ago
B+
Retailer 14
-
$1,240 USD
View
B+
Retailer 15
-
$1,295 USD
View
B
Retailer 16
-
$1,490 USD
View
B
Retailer 17
-
$1,707 USD
View
B
Retailer 18
-
$1,739 USD
View
B
Retailer 19
-
$1,945 USD
View
Retailer 20
-
$1,955 USD
View
Price last confirmed 18 days ago
B
Retailer 21
-
$1,988 USD
View
B
Retailer 22
-
$2,295 USD
View
Most Expensive
B
Brilliant Earth
12164945A · Nov 4
$2,570 USD
View
22 more retailers have this diamond
Prices start from $428 USDSave up to $2,142 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
$428 USD