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Cushion|Lab Grown|IGI

1.05ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG625459691

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG625459691

Diamond specifications and retailer prices

From £178 GBP
$239 USD
As of October 30, 2026
Save £746 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £924 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG625459691 or 625459691. Listed at 14 retailers as of October 30, 2026, with prices from £178 to £924, a £746 spread on the same certified stone. Reve Diamonds lists it at £924. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625459691
Dimensions5.89 × 5.86 × 3.97 mm
L/W Ratio1.01
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
5.89 mm5.86 mm1.05 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625459691
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.7%

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: Oct 30
Current: £366 GBP|Low: £154 GBP|High: £924 GBP|Avg: £467 GBP|+23.6%
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
Reve Diamonds
October 30, 2026
Retailer 14£178 GBP
Retailer 13£198 GBP
Retailer 12£244 GBP
Retailer 7£308 GBP
Retailer 3£331 GBP
Retailer 4£340 GBP
Retailer 9£340 GBP
Retailer 1£366 GBP
Retailer 2£430 GBP
Retailer 10£484 GBP
Retailer 11£631 GBP
Retailer 5£676 GBP
Retailer 8£798 GBP
Retailer 6£830 GBP
Reve Diamonds£924 GBP

37 data points across 15 retailers

14 retailers£178 GBP to £924 GBP

A
Cheapest Retailer
-
£178 GBP
$239 USD
Final sale: no returns
A
Retailer 2
-
£198 GBP
$265 USD
View
Retailer 3
-
£244 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£308 GBP
€393 EUR
View
A
Retailer 5
-
£331 GBP
$444 USD
View
B+
Retailer 6
-
£340 GBP
$455 USD
View
B+
Retailer 7
-
£340 GBP
ZAR 7,364 ZAR
View
B+
Retailer 8
-
£366 GBP
View
B+
Retailer 9
-
£430 GBP
$576 USD
View
B+
Retailer 10
-
£484 GBP
A$998 AUD
View
Retailer 11
-
£631 GBP
$845 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
£676 GBP
$906 USD
View
B
Retailer 13
-
£798 GBP
View
Most Expensive
B
Reve Diamonds
7B280882D · Oct 30
£924 GBP
$1,238 USD
View
13 more retailers have this diamond
Prices start from £178 GBPSave up to £746 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
£178 GBP