Radiant|Lab Grown|IGI

1.45ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG794622575

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

Certificate IGI LG794622575

Diamond specifications and retailer prices

From $267 USD
As of October 30, 2026
Save $2,563 USD (91%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,220 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG794622575 or 794622575. Listed at 12 retailers as of October 30, 2026, with a 960% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle46°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794622575
Dimensions7.80 × 5.58 × 3.88 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
7.80 mm5.58 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794622575
Side View
Table 64.0%Crown 46°Girdle: Slightly ThickPavilion 36.6°Culet: NoneDepth 69.5%

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 30
Current: $3,220 USD|Low: $267 USD|High: $4,420 USD|Avg: $1,796 USD|+1.7%
Rare Carat
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
October 30, 2026
Retailer 11$267 USD
Retailer 3$310 USD
Retailer 10$525 USD
Retailer 14$551 USD
Retailer 13$1,018 USD
Retailer 15$1,176 USD
Retailer 8$1,200 USD
Retailer 16$1,204 USD
Retailer 4$1,255 USD
Retailer 7$1,283 USD
Retailer 9$1,474 USD
Retailer 5$2,046 USD
Retailer 12$2,370 USD
Retailer 6$2,524 USD
Retailer 2$2,830 USD
Rare Carat$3,220 USD

29 data points across 16 retailers

12 retailers$267 USD to $2,830 USD

A
Cheapest Retailer
-
$267 USD
A
Retailer 2
-
$310 USD
View
A
Retailer 3
-
$525 USD
View
A
Retailer 4
-
$551 USD
View
B+
Retailer 5
-
$1,018 USD
View
Retailer 6
-
$1,124 USD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$1,176 USD
View
B+
Retailer 8
-
$1,204 USD
View
B+
Retailer 9
-
$1,474 USD
£1,161 GBP
View
B
Retailer 10
-
$2,370 USD
View
B
Retailer 11
-
$2,830 USD
View
Most Expensive
Rare Carat
MR-197125 · Oct 21
$3,220 USD
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from $267 USDSave up to $2,563 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