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Cushion|Lab Grown|IGI

1.63ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG612329405

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG612329405

Diamond specifications and retailer prices

From £343 GBP
$460 USD
As of November 1, 2026
Save £1,314 GBP (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,657 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG612329405 or 612329405. Listed at 12 retailers as of November 2, 2026, with prices from £343 to £1,657, a £1,314 spread on the same certified stone. Do Amore Diamonds lists it at £1,657. 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 angle35.2°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612329405
Dimensions7.14 × 6.92 × 4.42 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
7.14 mm6.92 mm1.63 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612329405
Side View
Table 58.0%Crown 35.2°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 63.9%

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: Nov 1
Current: £451 GBP|Low: £343 GBP|High: £1,761 GBP|Avg: £606 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4£343 GBP
Retailer 8£387 GBP
Retailer 9£432 GBP
Retailer 2£441 GBP
Retailer 1£451 GBP
Retailer 6£595 GBP
Retailer 7£912 GBP
Retailer 5£1,001 GBP
Retailer 3£1,026 GBP

42 data points across 9 retailers

12 retailers£343 GBP to £1,657 GBP

A
Cheapest Retailer
-
£343 GBP
$460 USD
A
Retailer 2
-
£343 GBP
$460 USD
View
A
Retailer 3
-
£387 GBP
$519 USD
View
A
Retailer 4
-
£432 GBP
$579 USD
View
A
Retailer 5
-
£441 GBP
ZAR 9,552 ZAR
View
A
Retailer 6
-
£451 GBP
View
B+
Retailer 7
-
£595 GBP
A$1,227 AUD
View
B
Retailer 8
-
£912 GBP
$1,222 USD
View
B
Retailer 9
-
£947 GBP
$1,269 USD
View
B
Retailer 10
-
£1,001 GBP
View
B
Retailer 11
-
£1,026 GBP
View
Most Expensive
B
Do Amore Diamonds
27-35E1F4C4C · Nov 2
£1,657 GBP
$2,220 USD
View
11 more retailers have this diamond
Prices start from £343 GBPSave up to £1,314 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
£343 GBP