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Cushion|Lab Grown|IGI

1.05ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG786634308

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG786634308

Diamond specifications and retailer prices

From £235 GBP
$313 USD
As of October 29, 2026
Save £1,110 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,345 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786634308 or 786634308. Listed at 18 retailers as of October 27, 2026, with prices from £235 to £1,345, a £1,110 spread on the same certified stone. Queensmith lists it at £1,345. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634308
Dimensions6.51 × 5.86 × 3.56 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.51 mm5.86 mm1.05 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634308
Side View
Table 56.0%Crown 32.6°Girdle: MED-STKPavilion 42.9°Culet: LargeDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £520 GBP|Low: £157 GBP|High: £1,184 GBP|Avg: £564 GBP|+3.2%
Retailer 1
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
October 30, 2026
Retailer 12£235 GBP
Retailer 11£263 GBP
Retailer 5£273 GBP
Retailer 4£291 GBP
Retailer 14£292 GBP
Retailer 13£392 GBP
Retailer 10£409 GBP
Retailer 1£520 GBP
Retailer 8£712 GBP
Retailer 6£779 GBP
Retailer 9£855 GBP
Retailer 3£938 GBP
Retailer 2£1,133 GBP
Retailer 7£1,176 GBP

43 data points across 14 retailers

18 retailers£235 GBP to £1,345 GBP

A
Cheapest Retailer
-
£235 GBP
$313 USD
A
Retailer 2
-
£263 GBP
$350 USD
View
Final sale: no returns
A
Retailer 3
-
£273 GBP
$363 USD
View
A
Retailer 4
-
£291 GBP
$388 USD
View
A
Retailer 5
-
£292 GBP
$389 USD
View
A
Retailer 6
-
£313 GBP
$417 USD
View
B+
Retailer 7
-
£392 GBP
$522 USD
View
B+
Retailer 8
-
£409 GBP
$545 USD
View
B+
Retailer 9
-
£520 GBP
View
B
Retailer 10
-
£712 GBP
A$1,458 AUD
View
B
Retailer 11
-
£779 GBP
SGD 1,401 SGD
View
B
Retailer 12
-
£855 GBP
$1,139 USD
View
B
Retailer 13
-
£938 GBP
$1,249 USD
View
B
Retailer 14
-
£972 GBP
$1,295 USD
View
B
Retailer 15
-
£1,133 GBP
View
B
Retailer 16
-
£1,168 GBP
$1,555 USD
View
B
Retailer 17
-
£1,176 GBP
View
Most Expensive
B
Queensmith
LG786634308 · Oct 27
£1,345 GBP
View
17 more retailers have this diamond
Prices start from £235 GBPSave up to £1,110 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
1.05ct Cushion
£235 GBP