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Cushion|Lab Grown|IGI

1.63ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG813629920

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813629920

Diamond specifications and retailer prices

From £216 GBP
As of October 30, 2026
Save £645 GBP (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £861 GBP at MOH London · As of October 26, 2026
View at MOH London

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 top-tier cut grade and certified by IGI LG813629920 or 813629920. Listed at 8 retailers as of October 26, 2026, with prices from £216 to £861, a £645 spread on the same certified stone. MOH London lists it at £861. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813629920
Dimensions8.56 × 5.93 × 4.05 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.56 mm5.93 mm1.63 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813629920
Side View
Table 63.0%Crown 34.9°Girdle: MED-STKPavilion 36°Culet: NoneDepth 68.3%

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: Oct 30
Current: £861 GBP|Low: £215 GBP|High: £864 GBP|Avg: £589 GBP|+6.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£216 GBP
Retailer 2£310 GBP
Retailer 4£429 GBP
Retailer 7£435 GBP
Retailer 6£679 GBP
Retailer 5£758 GBP
Retailer 8£773 GBP
MOH London£861 GBP

29 data points across 8 retailers

8 retailers£216 GBP to £861 GBP

A
Cheapest Retailer
-
£216 GBP
A
Retailer 2
-
£310 GBP
€396 EUR
View
A
Retailer 3
-
£429 GBP
A$884 AUD
View
A
Retailer 4
-
£435 GBP
$583 USD
View
B+
Retailer 5
-
£679 GBP
$910 USD
View
B+
Retailer 6
-
£758 GBP
$1,015 USD
View
Retailer 7
-
£773 GBP
SGD 1,399 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
LG813629920 · Oct 26
£861 GBP
View
7 more retailers have this diamond
Prices start from £216 GBPSave up to £645 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
£216 GBP