CaratHunter
Plans
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 £420 GBP
$564 USD
As of October 28, 2026
Save £602 GBP (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,022 GBP 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 £420 to £1,022, a £602 spread on the same certified stone. MOH London lists it at £1,022. 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

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: Oct 28
Current: £1,022 GBP|Low: £255 GBP|High: £1,033 GBP|Avg: £558 GBP|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 4£255 GBP
Retailer 6£420 GBP
Retailer 2£438 GBP
Retailer 3£446 GBP
Retailer 8£452 GBP
Retailer 7£509 GBP
Retailer 5£980 GBP
MOH London£1,022 GBP

30 data points across 8 retailers

9 retailers£420 GBP to £1,022 GBP

Retailer 1
-
£255 GBP
$342 USD
Price last confirmed 16 days ago
A
Retailer 2
-
£420 GBP
$564 USD
View
A
Retailer 3
-
£438 GBP
ZAR 9,485 ZAR
View
A
Retailer 4
-
£446 GBP
View
B+
Retailer 5
-
£452 GBP
$607 USD
View
B+
Retailer 6
-
£509 GBP
$683 USD
View
B
Retailer 7
-
£856 GBP
$1,149 USD
View
B
Retailer 8
-
£980 GBP
$1,315 USD
View
Most Expensive
B
MOH London
LG578332501 · Oct 26
£1,022 GBP
View
8 more retailers have this diamond
Prices start from £420 GBPSave up to £602 GBP

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
£420 GBP