Radiant|Lab Grown|IGI

1.64ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG631413894

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

Certificate IGI LG631413894

Diamond specifications and retailer prices

From $201 USD
As of October 30, 2026
Save $1,399 USD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,600 USD at Brilliant Earth · As of October 31, 2026
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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG631413894 or 631413894. Listed at 15 retailers as of October 30, 2026, with prices from $201 to $1,600, a $1,399 spread on the same certified stone. Brilliant Earth lists it at $1,600. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631413894
Dimensions8.49 × 5.94 × 3.94 mm
L/W Ratio1.43
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
8.49 mm5.94 mm1.64 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631413894
Side View
Table 62.0%Crown 32.2°Girdle: MediumPavilion 34.6°Culet: NoneDepth 66.3%

Caratlytics Score

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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: $1,600 USD|Low: $193 USD|High: $1,730 USD|Avg: $654 USD|-7.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$201 USD
Retailer 10$225 USD
Retailer 8$249 USD
Retailer 3$291 USD
Retailer 5$407 USD
Retailer 4$457 USD
Retailer 6$811 USD
Retailer 2$1,166 USD
Retailer 9$1,197 USD
Brilliant Earth$1,600 USD

43 data points across 10 retailers

15 retailers$201 USD to $1,600 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$233 USD
View
A
Retailer 4
-
$249 USD
View
A
Retailer 5
-
$282 USD
HK$2,200 HKD
View
A
Retailer 6
-
$291 USD
£229 GBP
View
A
Retailer 7
-
$407 USD
€388 EUR
View
A
Retailer 8
-
$457 USD
£360 GBP
View
A
Retailer 9
-
$594 USD
View
Retailer 10
-
$811 USD
View
Price last confirmed 17 days ago
B+
Retailer 11
-
$814 USD
SGD 1,100 SGD
View
B+
Retailer 12
-
$855 USD
View
B+
Retailer 13
-
$1,166 USD
£918 GBP
View
B
Retailer 14
-
$1,197 USD
View
Most Expensive
B
Brilliant Earth
21390609A · Oct 31
$1,600 USD
View
14 more retailers have this diamond
Prices start from $201 USDSave up to $1,399 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
1.64ct Radiant
$201 USD