Radiant|Lab Grown|IGI

1.64ct F VS1 Radiant Lab Grown Diamond

VG • F/VS1 • IGI LG578332501

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

Certificate IGI LG578332501

Diamond specifications and retailer prices

From $721 SGD
$564 USD
As of October 28, 2026
Save $1,033 SGD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,754 SGD at MOH London · As of October 26, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG578332501 or 578332501. Listed at 9 retailers as of October 26, 2026, with prices from $721 to $1,754, a $1,033 spread on the same certified stone. MOH London lists it at $1,754. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.64
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578332501
Dimensions8.36 × 5.84 × 4.03 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
8.36 mm5.84 mm1.64 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578332501
Side View
Table 62.0%Crown 36.5°Girdle: MediumPavilionCulet: NoneDepth 69.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,754 SGD|Low: $437 SGD|High: $1,772 SGD|Avg: $958 SGD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 4$437 SGD
Retailer 6$721 SGD
Retailer 2$751 SGD
Retailer 3$765 SGD
Retailer 8$776 SGD
Retailer 7$873 SGD
Retailer 5$1,682 SGD
MOH London$1,754 SGD

30 data points across 8 retailers

9 retailers$721 SGD to $1,754 SGD

Retailer 1
-
$437 SGD
$342 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$721 SGD
$564 USD
View
A
Retailer 3
-
$751 SGD
ZAR 9,485 ZAR
View
A
Retailer 4
-
$765 SGD
£471 GBP
View
B+
Retailer 5
-
$776 SGD
$607 USD
View
B+
Retailer 6
-
$873 SGD
$683 USD
View
B
Retailer 7
-
$1,470 SGD
$1,149 USD
View
B
Retailer 8
-
$1,682 SGD
$1,315 USD
View
Most Expensive
B
MOH London
LG578332501 · Oct 26
$1,754 SGD
£1,080 GBP
View
8 more retailers have this diamond
Prices start from $721 SGDSave up to $1,033 SGD

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
$721 SGD