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Radiant|Lab Grown|IGI

1.64ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG754558421

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

Certificate IGI LG754558421

Diamond specifications and retailer prices

From $1,930 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $1,930 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG754558421 or 754558421. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754558421
Dimensions8.33 × 5.76 × 3.83 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm5.76 mm1.64 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754558421
Side View
Table 67.0%Crown 45°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $1,930 USD|Low: $432 USD|High: $2,161 USD|Avg: $1,005 USD|-10.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 4$432 USD
Retailer 11$480 USD
Retailer 5$526 USD
Retailer 8$627 USD
Retailer 9$641 USD
Retailer 7$782 USD
Retailer 3$785 USD
Retailer 6$1,208 USD
Retailer 10$1,372 USD
Brilliant Earth$1,930 USD
Retailer 2$2,161 USD

2 data points across 11 retailers

1 retailer

B
Brilliant Earth
17545649B · Oct 30
$1,930 USD
View

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
$1,930 USD