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 $357 NZD
$201 USD
As of November 2, 2026
Save $2,486 NZD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,844 NZD at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from $357 to $2,844, a $2,486 spread on the same certified stone. Brilliant Earth lists it at $2,844. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,844 NZD|Low: $343 NZD|High: $3,075 NZD|Avg: $1,164 NZD|-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$357 NZD
Retailer 10$400 NZD
Retailer 8$443 NZD
Retailer 2$518 NZD
Retailer 5$724 NZD
Retailer 3$813 NZD
Retailer 6$1,441 NZD
Retailer 4$2,072 NZD
Retailer 9$2,127 NZD
Brilliant Earth$2,844 NZD

43 data points across 10 retailers

15 retailers$357 NZD to $2,844 NZD

A
Cheapest Retailer
-
$357 NZD
$201 USD
A
Retailer 2
-
$400 NZD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$414 NZD
$233 USD
View
A
Retailer 4
-
$443 NZD
$249 USD
View
A
Retailer 5
-
$500 NZD
HK$2,200 HKD
View
A
Retailer 6
-
$518 NZD
£229 GBP
View
A
Retailer 7
-
$724 NZD
€388 EUR
View
A
Retailer 8
-
$813 NZD
£360 GBP
View
A
Retailer 9
-
$1,056 NZD
$594 USD
View
Retailer 10
-
$1,441 NZD
$811 USD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$1,447 NZD
SGD 1,100 SGD
View
B+
Retailer 12
-
$1,519 NZD
$855 USD
View
B+
Retailer 13
-
$2,072 NZD
£918 GBP
View
B
Retailer 14
-
$2,127 NZD
$1,197 USD
View
Most Expensive
B
Brilliant Earth
21390609A · Nov 2
$2,844 NZD
$1,600 USD
View
14 more retailers have this diamond
Prices start from $357 NZDSave up to $2,486 NZD

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
$357 NZD