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Radiant|Lab Grown|IGI

1.64ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG627470429

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

Certificate IGI LG627470429

Diamond specifications and retailer prices

From £594 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: £852 GBP at Rare Carat · As of August 4, 2026
View at Rare Carat

About this 1.64ct lab-grown radiant diamond

This 1.64ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627470429 or 627470429. Listed at 2 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627470429
Dimensions8.37 × 6.01 × 3.81 mm
L/W Ratio1.39
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
8.37 mm6.01 mm1.64 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627470429
Side View
Table 62.0%Crown 36.2°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 63.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £852 GBP|Low: £110 GBP|High: £1,717 GBP|Avg: £706 GBP|-6.9%
Rare Carat
Retailer 2
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August 5, 2026
Retailer 8£113 GBP
Retailer 4£224 GBP
Retailer 12£267 GBP
Retailer 14£313 GBP
Retailer 10£343 GBP
Retailer 6£380 GBP
Retailer 13£513 GBP
Retailer 2£693 GBP
Retailer 11£753 GBP
Retailer 5£773 GBP
Retailer 15£790 GBP
Rare Carat£852 GBP
Retailer 9£868 GBP
Retailer 7£1,517 GBP
Retailer 3£1,709 GBP

65 data points across 15 retailers

2 retailers

B+
Cheapest Retailer
-
£594 GBP
Most Expensive
Rare Carat
NGDF-03-91-B · Aug 4
£852 GBP
$1,142 USD
View
Price last confirmed 90 days ago
1 more retailer has this diamond
Prices start from £594 GBP

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+
1.64ct Radiant
£594 GBP