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Cushion|Lab Grown|IGI

1.62ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG648446756

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG648446756

Diamond specifications and retailer prices

From £246 GBP
As of November 2, 2026
Save £821 GBP (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,067 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.62ct lab-grown cushion diamond

This 1.62ct lab-grown cushion 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 LG648446756 or 648446756. Listed at 14 retailers as of October 31, 2026, with prices from £246 to £1,067, a £821 spread on the same certified stone. Brilliant Earth lists it at £1,067. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.62
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648446756
Dimensions8.52 × 6.16 × 4.22 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.52 mm6.16 mm1.62 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648446756
Side View
Table 57.0%Crown 33.9°Girdle: MED-VTKPavilion 37.1°Culet: NoneDepth 68.5%

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: £1,067 GBP|Low: £182 GBP|High: £1,194 GBP|Avg: £529 GBP|-8.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 3£189 GBP
Retailer 7£202 GBP
Retailer 2£246 GBP
Retailer 5£357 GBP
Retailer 9£363 GBP
Retailer 10£369 GBP
Retailer 8£390 GBP
Retailer 15£431 GBP
Retailer 13£458 GBP
Retailer 12£491 GBP
Retailer 4£715 GBP
Retailer 11£847 GBP
Retailer 14£855 GBP
Retailer 6£956 GBP
Brilliant Earth£1,067 GBP

40 data points across 15 retailers

14 retailers£246 GBP to £1,067 GBP

A
Cheapest Retailer
-
£246 GBP
B+
Retailer 2
-
£357 GBP
$479 USD
View
A
Retailer 3
-
£363 GBP
ZAR 7,861 ZAR
View
A
Retailer 4
-
£369 GBP
€471 EUR
View
Retailer 5
-
£384 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
£390 GBP
View
A
Retailer 7
-
£431 GBP
$578 USD
View
A
Retailer 8
-
£458 GBP
$614 USD
View
A
Retailer 9
-
£491 GBP
A$1,013 AUD
View
B
Retailer 10
-
£715 GBP
$959 USD
View
B+
Retailer 11
-
£847 GBP
View
B
Retailer 12
-
£855 GBP
$1,146 USD
View
Retailer 13
-
£956 GBP
$1,281 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
11882565A · Oct 31
£1,067 GBP
$1,430 USD
View
13 more retailers have this diamond
Prices start from £246 GBPSave up to £821 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
1.62ct Cushion
£246 GBP