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Cushion|Lab Grown|IGI

1.05ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG818645046

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG818645046

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)
16 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 LG818645046 or 818645046. Listed at 16 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 angle33.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818645046
Dimensions6.49 × 5.89 × 3.88 mm
L/W Ratio1.10
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
6.49 mm5.89 mm1.05 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818645046
Side View
Table 52.0%Crown 33.2°Girdle: MED-THKPavilion 42.3°Culet: LargeDepth 65.9%

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: £1,345 GBP|Low: £226 GBP|High: £1,345 GBP|Avg: £671 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
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Retailer 16
October 30, 2026
Retailer 13£235 GBP
Retailer 5£273 GBP
Retailer 3£291 GBP
Retailer 15£292 GBP
Retailer 6£313 GBP
Retailer 14£392 GBP
Retailer 12£409 GBP
Retailer 2£520 GBP
Retailer 10£712 GBP
Retailer 4£779 GBP
Retailer 11£855 GBP
Retailer 16£938 GBP
Retailer 7£972 GBP
Retailer 8£1,168 GBP
Retailer 9£1,176 GBP
Queensmith£1,345 GBP

43 data points across 16 retailers

16 retailers£235 GBP to £1,345 GBP

A
Cheapest Retailer
-
£235 GBP
$313 USD
A
Retailer 2
-
£273 GBP
$363 USD
View
A
Retailer 3
-
£291 GBP
$388 USD
View
A
Retailer 4
-
£292 GBP
$389 USD
View
A
Retailer 5
-
£313 GBP
$417 USD
View
B+
Retailer 6
-
£392 GBP
$522 USD
View
B+
Retailer 7
-
£409 GBP
$545 USD
View
B+
Retailer 8
-
£520 GBP
View
B
Retailer 9
-
£712 GBP
A$1,458 AUD
View
B
Retailer 10
-
£779 GBP
SGD 1,401 SGD
View
B
Retailer 11
-
£855 GBP
$1,139 USD
View
B
Retailer 12
-
£938 GBP
$1,249 USD
View
B
Retailer 13
-
£972 GBP
$1,295 USD
View
B
Retailer 14
-
£1,168 GBP
$1,555 USD
View
B
Retailer 15
-
£1,176 GBP
View
Most Expensive
B
Queensmith
LG818645046 · Oct 27
£1,345 GBP
View
15 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