Radiant|Lab Grown|IGI

1.45ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG561253257

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

Certificate IGI LG561253257

Diamond specifications and retailer prices

From $722 USD
£568 GBP
As of October 31, 2026
Save $100 USD (12%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $822 USD at B2C Jewels · As of November 1, 2026
View at B2C Jewels

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG561253257 or 561253257. Listed at 2 retailers as of October 31, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561253257
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.37 mm7.13 mm1.45 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561253257
Side View
Table 65.0%Crown 42.7°Girdle: MediumPavilionCulet: NoneDepth 69.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $822 USD|Low: $156 USD|High: $1,920 USD|Avg: $969 USD|+30.5%
B2C Jewels
Retailer 2
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Retailer 7
Retailer 8
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Retailer 11
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Retailer 16
September 23, 2026
Retailer 2$156 USD
Retailer 8$291 USD
Retailer 15$382 USD
Retailer 14$434 USD
Retailer 9$472 USD
Retailer 12$615 USD
Retailer 3$697 USD
B2C Jewels$822 USD
Retailer 5$994 USD
Retailer 6$1,006 USD
Retailer 13$1,030 USD
Retailer 10$1,340 USD
Retailer 11$1,340 USD
Retailer 16$1,514 USD
Retailer 7$1,790 USD
Retailer 4$1,920 USD

61 data points across 16 retailers

2 retailers$722 USD to $822 USD

B+
Cheapest Retailer
-
$722 USD
£568 GBP
Most Expensive
B
B2C Jewels
21828845 · Nov 1
$822 USD
View
1 more retailer has this diamond
Prices start from $722 USDSave up to $100 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.

B+
1.45ct Radiant
$722 USD