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Cushion|Lab Grown|IGI

1.63ct F VS1 Cushion Lab Grown Diamond

GD • F/VS1 • IGI LG613350559

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG613350559

Diamond specifications and retailer prices

From £298 GBP
As of October 29, 2026
Save £1,187 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,485 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.63ct lab-grown cushion diamond

This 1.63ct 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 LG613350559 or 613350559. Listed at 17 retailers as of October 29, 2026, with prices from £298 to £1,485, a £1,187 spread on the same certified stone. Brilliant Earth lists it at £1,485. 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

1.63
Carat
F
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613350559
Dimensions6.88 × 6.55 × 4.40 mm
L/W Ratio1.05
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
6.88 mm6.55 mm1.63 ctF / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613350559
Side View
Table 60.0%Crown 38.1°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
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: Oct 29
Current: £1,485 GBP|Low: £229 GBP|High: £1,612 GBP|Avg: £654 GBP|-7.9%
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
Retailer 16
October 31, 2026
Retailer 6£229 GBP
Retailer 14£254 GBP
Retailer 11£298 GBP
Retailer 5£342 GBP
Retailer 13£343 GBP
Retailer 16£432 GBP
Retailer 9£445 GBP
Retailer 3£449 GBP
Retailer 2£452 GBP
Retailer 8£452 GBP
Retailer 12£590 GBP
Retailer 15£825 GBP
Retailer 4£976 GBP
Retailer 10£1,022 GBP
Retailer 7£1,067 GBP
Brilliant Earth£1,485 GBP

37 data points across 16 retailers

17 retailers£298 GBP to £1,485 GBP

Retailer 1
-
£254 GBP
$340 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£298 GBP
View
B+
Retailer 3
-
£342 GBP
$458 USD
View
A
Retailer 4
-
£343 GBP
$460 USD
View
Retailer 5
-
£432 GBP
ZAR 9,360 ZAR
View
Price last confirmed 19 days ago
Retailer 6
-
£441 GBP
View
Price last confirmed 17 days ago
B+
Retailer 7
-
£445 GBP
View
B+
Retailer 8
-
£449 GBP
$601 USD
View
B+
Retailer 9
-
£452 GBP
€577 EUR
View
B+
Retailer 10
-
£452 GBP
$606 USD
View
B+
Retailer 11
-
£590 GBP
A$1,216 AUD
View
Retailer 12
-
£825 GBP
$1,105 USD
View
Price last confirmed 18 days ago
B
Retailer 13
-
£853 GBP
$1,143 USD
View
B
Retailer 14
-
£976 GBP
$1,308 USD
View
B
Retailer 15
-
£1,022 GBP
View
B
Retailer 16
-
£1,067 GBP
$1,430 USD
View
Most Expensive
C
Brilliant Earth
16509945A · Oct 31
£1,485 GBP
$1,990 USD
View
16 more retailers have this diamond
Prices start from £298 GBPSave up to £1,187 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
1.63ct Cushion
£298 GBP