Cushion|Lab Grown|IGI

1.01ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG841690420

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG841690420

Diamond specifications and retailer prices

From £416 GBP
A$858 AUD
As of October 27, 2026
15 retailers carry this diamond
Most expensive: £1,069 GBP at Queensmith · As of October 25, 2026
View at Queensmith

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG841690420 or 841690420. Listed at 15 retailers as of October 27, 2026. 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

1.01
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841690420
Dimensions5.71 × 5.50 × 3.92 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.71 mm5.50 mm1.01 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841690420
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 71.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: £1,069 GBP|Low: £135 GBP|High: £1,069 GBP|Avg: £404 GBP
Queensmith
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
October 26, 2026
Retailer 3£135 GBP
Retailer 9£180 GBP
Retailer 5£203 GBP
Retailer 15£238 GBP
Retailer 14£253 GBP
Retailer 8£256 GBP
Retailer 11£270 GBP
Retailer 7£291 GBP
Retailer 10£322 GBP
Retailer 2£365 GBP
Retailer 13£416 GBP
Retailer 6£523 GBP
Retailer 12£702 GBP
Retailer 4£800 GBP
Queensmith£1,069 GBP

7 data points across 15 retailers

15 retailers

Retailer 1
-
£180 GBP
Price last confirmed 7 days ago
Retailer 2
-
£203 GBP
$272 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£238 GBP
$320 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£253 GBP
ZAR 5,493 ZAR
View
Price last confirmed 10 days ago
Retailer 5
-
£256 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
£270 GBP
€345 EUR
View
Price last confirmed 8 days ago
Retailer 7
-
£291 GBP
$391 USD
View
Price last confirmed 11 days ago
Retailer 8
-
£322 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
£365 GBP
A$754 AUD
View
Price last confirmed 7 days ago
B
Retailer 10
-
£416 GBP
A$858 AUD
View
Retailer 11
-
£523 GBP
$702 USD
View
Price last confirmed 7 days ago
Retailer 12
-
£566 GBP
$760 USD
View
Price last confirmed 7 days ago
Retailer 13
-
£702 GBP
View
Price last confirmed 7 days ago
Retailer 14
-
£800 GBP
$1,073 USD
View
Price last confirmed 8 days ago
Most Expensive
Queensmith
LG841690420 · Oct 25
£1,069 GBP
View
Price last confirmed 8 days ago
14 more retailers have this diamond
Prices start from £416 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.

B
1.01ct Cushion
£416 GBP