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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 $286 AUD
$201 USD
As of October 30, 2026
Save $1,992 AUD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,278 AUD 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 $286 to $2,278, a $1,992 spread on the same certified stone. Brilliant Earth lists it at $2,278. 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 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: $2,278 AUD|Low: $275 AUD|High: $2,463 AUD|Avg: $932 AUD|-7.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$286 AUD
Retailer 10$320 AUD
Retailer 8$354 AUD
Retailer 4$415 AUD
Retailer 5$580 AUD
Retailer 2$651 AUD
Retailer 6$1,155 AUD
Retailer 3$1,660 AUD
Retailer 9$1,704 AUD
Brilliant Earth$2,278 AUD

44 data points across 10 retailers

15 retailers$286 AUD to $2,278 AUD

A
Cheapest Retailer
-
$286 AUD
$201 USD
A
Retailer 2
-
$320 AUD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$332 AUD
$233 USD
View
A
Retailer 4
-
$354 AUD
$249 USD
View
A
Retailer 5
-
$401 AUD
HK$2,200 HKD
View
A
Retailer 6
-
$415 AUD
£229 GBP
View
A
Retailer 7
-
$580 AUD
€388 EUR
View
A
Retailer 8
-
$651 AUD
£360 GBP
View
A
Retailer 9
-
$846 AUD
$594 USD
View
Retailer 10
-
$1,155 AUD
$811 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
$1,159 AUD
SGD 1,100 SGD
View
B+
Retailer 12
-
$1,217 AUD
$855 USD
View
B+
Retailer 13
-
$1,660 AUD
£918 GBP
View
B
Retailer 14
-
$1,704 AUD
$1,197 USD
View
Most Expensive
B
Brilliant Earth
21390609A · Oct 31
$2,278 AUD
$1,600 USD
View
14 more retailers have this diamond
Prices start from $286 AUDSave up to $1,992 AUD

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
$286 AUD