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Cushion|Lab Grown|IGI

1.05ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG633490764

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG633490764

Diamond specifications and retailer prices

From £137 GBP
$182 USD
As of October 28, 2026
Save £672 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £849 GBP at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG633490764 or 633490764. Listed at 15 retailers as of October 28, 2026, with a 492% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633490764
Dimensions7.03 × 5.39 × 3.62 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Top View
7.03 mm5.39 mm1.05 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633490764
Side View
Table 65.0%Crown 29°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 67.2%

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 28
Current: £849 GBP|Low: £137 GBP|High: £849 GBP|Avg: £411 GBP
Brilliant Earth
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
Retailer 16
October 29, 2026
Retailer 14£137 GBP
Retailer 16£152 GBP
Retailer 15£192 GBP
Retailer 6£253 GBP
Retailer 12£261 GBP
Retailer 2£268 GBP
Retailer 3£275 GBP
Retailer 9£278 GBP
Retailer 11£289 GBP
Retailer 13£370 GBP
Retailer 5£391 GBP
Retailer 7£530 GBP
Retailer 10£715 GBP
Retailer 8£732 GBP
Retailer 4£808 GBP
Brilliant Earth£849 GBP

35 data points across 16 retailers

15 retailers£137 GBP to £808 GBP

A
Cheapest Retailer
-
£137 GBP
$182 USD
Final sale: no returns
A
Retailer 2
-
£152 GBP
$203 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£192 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£253 GBP
$337 USD
View
A
Retailer 5
-
£261 GBP
ZAR 5,618 ZAR
View
A
Retailer 6
-
£268 GBP
View
A
Retailer 7
-
£275 GBP
$366 USD
View
A
Retailer 8
-
£278 GBP
€352 EUR
View
A
Retailer 9
-
£289 GBP
View
B+
Retailer 10
-
£370 GBP
A$759 AUD
View
B+
Retailer 11
-
£391 GBP
$521 USD
View
B
Retailer 12
-
£530 GBP
$706 USD
View
B
Retailer 13
-
£715 GBP
View
B
Retailer 14
-
£808 GBP
$1,077 USD
View
Most Expensive
B
Brilliant Earth
10218056A · Sep 28
£849 GBP
$1,130 USD
View
Price last confirmed 31 days ago
14 more retailers have this diamond
Prices start from £137 GBPSave up to £672 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
£137 GBP