Cushion|Lab Grown|IGI

1.09ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG786626475

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

Certificate IGI LG786626475

Diamond specifications and retailer prices

From £231 GBP
$310 USD
As of November 1, 2026
Save £994 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,225 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786626475 or 786626475. Listed at 17 retailers as of November 1, 2026, with prices from £231 to £1,225, a £994 spread on the same certified stone. MOH London lists it at £1,225. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786626475
Dimensions6.29 × 6.00 × 3.62 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.29 mm6.00 mm1.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786626475
Side View
Table 63.0%Crown 34.9°Girdle: MED-STKPavilion 43.3°Culet: LargeDepth 60.3%

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: Nov 1
Current: £1,225 GBP|Low: £231 GBP|High: £1,982 GBP|Avg: £740 GBP
MOH London
Retailer 2
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Retailer 11
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Retailer 17
November 2, 2026
Retailer 7£231 GBP
Retailer 4£277 GBP
Retailer 15£387 GBP
Retailer 14£391 GBP
Retailer 17£395 GBP
Retailer 3£453 GBP
Retailer 11£458 GBP
Retailer 10£527 GBP
Retailer 13£538 GBP
Retailer 2£543 GBP
Retailer 12£743 GBP
Retailer 16£758 GBP
Retailer 5£942 GBP
Retailer 8£1,102 GBP
Retailer 6£1,192 GBP
MOH London£1,225 GBP
Retailer 9£1,982 GBP

42 data points across 17 retailers

17 retailers£231 GBP to £1,225 GBP

A
Cheapest Retailer
-
£231 GBP
$310 USD
Retailer 2
-
£277 GBP
$372 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£387 GBP
$520 USD
View
B+
Retailer 4
-
£391 GBP
HK$4,100 HKD
View
B+
Retailer 5
-
£395 GBP
$530 USD
View
B+
Retailer 6
-
£453 GBP
$608 USD
View
B+
Retailer 7
-
£458 GBP
$614 USD
View
B+
Retailer 8
-
£527 GBP
ZAR 11,426 ZAR
View
B+
Retailer 9
-
£538 GBP
A$1,111 AUD
View
B+
Retailer 10
-
£543 GBP
View
B
Retailer 11
-
£743 GBP
A$1,533 AUD
View
B
Retailer 12
-
£758 GBP
$1,017 USD
View
B
Retailer 13
-
£942 GBP
SGD 1,709 SGD
View
B
Retailer 14
-
£1,102 GBP
$1,479 USD
View
B
Retailer 15
-
£1,192 GBP
View
Most Expensive
B
MOH London
LG786626475 · Nov 1
£1,225 GBP
View
15 more retailers have this diamond
Prices start from £231 GBPSave up to £994 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
1.09ct Cushion
£231 GBP