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Cushion|Lab Grown|IGI

1.64ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG530221623

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG530221623

Diamond specifications and retailer prices

From £418 GBP
$560 USD
As of November 2, 2026
Save £716 GBP (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,134 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.64ct lab-grown cushion diamond

This 1.64ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG530221623 or 530221623. Listed at 9 retailers as of October 31, 2026, with prices from £418 to £1,134, a £716 spread on the same certified stone. Brilliant Earth lists it at £1,134. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530221623
Dimensions7.41 × 7.19 × 4.46 mm
L/W Ratio1.03
Girdle conditionFaceted
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
7.41 mm7.19 mm1.64 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530221623
Side View
Table 62.5%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

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: Nov 2
Current: £1,134 GBP|Low: £266 GBP|High: £1,202 GBP|Avg: £655 GBP|-5.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4£266 GBP
Retailer 5£418 GBP
Retailer 9£435 GBP
Retailer 7£437 GBP
Retailer 2£470 GBP
Retailer 8£520 GBP
Retailer 6£1,022 GBP
Retailer 3£1,065 GBP
Brilliant Earth£1,134 GBP

39 data points across 9 retailers

9 retailers£418 GBP to £1,134 GBP

Retailer 1
-
£266 GBP
$356 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£418 GBP
$560 USD
View
A
Retailer 3
-
£435 GBP
$583 USD
View
A
Retailer 4
-
£437 GBP
$586 USD
View
A
Retailer 5
-
£470 GBP
View
B+
Retailer 6
-
£520 GBP
$697 USD
View
B
Retailer 7
-
£1,022 GBP
$1,370 USD
View
B
Retailer 8
-
£1,065 GBP
View
Most Expensive
B
Brilliant Earth
5974689A · Oct 31
£1,134 GBP
$1,520 USD
View
8 more retailers have this diamond
Prices start from £418 GBPSave up to £716 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 Cushion
£418 GBP