Radiant|Lab Grown|IGI

1.45ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825657802

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

Certificate IGI LG825657802

Diamond specifications and retailer prices

From $267 USD
As of October 30, 2026
Save $4,023 USD (94%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,290 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.45ct lab-grown radiant diamond

This 1.45ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825657802 or 825657802. Listed at 14 retailers as of October 29, 2026, with prices from $267 to $4,290, a $4,023 spread on the same certified stone. Brilliant Earth lists it at $4,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825657802
Dimensions8.15 × 5.60 × 3.81 mm
L/W Ratio1.46
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
8.15 mm5.60 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825657802
Side View
Table 65.0%Crown 39°Girdle: MediumPavilion 36.7°Culet: NoneDepth 68.0%

Caratlytics Score

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A+
Exceptional
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 30
Current: $4,290 USD|Low: $267 USD|High: $4,290 USD|Avg: $1,370 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
October 29, 2026
Retailer 12$267 USD
Retailer 3$310 USD
Retailer 10$344 USD
Retailer 16$551 USD
Retailer 11$575 USD
Retailer 13$591 USD
Retailer 6$859 USD
Retailer 7$886 USD
Retailer 15$1,018 USD
Retailer 8$1,122 USD
Retailer 17$1,176 USD
Retailer 18$1,204 USD
Retailer 2$1,474 USD
Retailer 9$1,750 USD
Retailer 14$2,370 USD
Retailer 5$2,443 USD
Retailer 4$3,220 USD
Brilliant Earth$4,290 USD

18 data points across 18 retailers

14 retailers$267 USD to $4,290 USD

A+
Cheapest Retailer
-
$267 USD
A
Retailer 2
-
$310 USD
View
A
Retailer 3
-
$551 USD
View
A
Retailer 4
-
$575 USD
View
A
Retailer 5
-
$591 USD
View
Retailer 6
-
$886 USD
ZAR 14,308 ZAR
View
Price last confirmed 48 days ago
B+
Retailer 7
-
$1,018 USD
View
B+
Retailer 8
-
$1,176 USD
View
B+
Retailer 9
-
$1,204 USD
View
B+
Retailer 10
-
$1,474 USD
£1,161 GBP
View
B
Retailer 11
-
$2,370 USD
View
B
Retailer 12
-
$2,443 USD
View
Retailer 13
-
$3,220 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21732438Y · Oct 29
$4,290 USD
View
13 more retailers have this diamond
Prices start from $267 USDSave up to $4,023 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+
1.45ct Radiant
$267 USD