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Cushion|Lab Grown|IGI

1.62ct F VS1 Cushion Lab Grown Diamond

GD • F/VS1 • IGI LG629405819

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG629405819

Diamond specifications and retailer prices

From £229 GBP
HK$2,400 HKD
As of November 1, 2026
Save £1,248 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,478 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 standard cut grade and certified by IGI LG629405819 or 629405819. Listed at 10 retailers as of October 31, 2026, with prices from £229 to £1,478, a £1,248 spread on the same certified stone. Brilliant Earth lists it at £1,478. 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

1.62
Carat
F
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629405819
Dimensions6.85 × 6.79 × 4.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.85 mm6.79 mm1.62 ctF / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629405819
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 65.1%

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 1
Current: £1,478 GBP|Low: £229 GBP|High: £1,552 GBP|Avg: £600 GBP|-4.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10£229 GBP
Retailer 9£280 GBP
Retailer 5£346 GBP
Retailer 2£386 GBP
Retailer 7£399 GBP
Retailer 6£430 GBP
Retailer 8£705 GBP
Retailer 3£795 GBP
Retailer 4£829 GBP
Brilliant Earth£1,478 GBP

35 data points across 10 retailers

10 retailers£229 GBP to £1,478 GBP

A
Cheapest Retailer
-
£229 GBP
HK$2,400 HKD
B+
Retailer 2
-
£280 GBP
$375 USD
View
A
Retailer 3
-
£346 GBP
€441 EUR
View
A
Retailer 4
-
£386 GBP
View
A
Retailer 5
-
£399 GBP
$535 USD
View
B+
Retailer 6
-
£430 GBP
$576 USD
View
B
Retailer 7
-
£705 GBP
$944 USD
View
B
Retailer 8
-
£795 GBP
$1,065 USD
View
B
Retailer 9
-
£829 GBP
View
Most Expensive
B
Brilliant Earth
18876561A · Oct 31
£1,478 GBP
$1,980 USD
View
9 more retailers have this diamond
Prices start from £229 GBPSave up to £1,248 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
£229 GBP