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Cushion|Lab Grown|IGI

1.05ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG702513591

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG702513591

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 26, 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 LG702513591 or 702513591. 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 angle29.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702513591
Dimensions7.00 × 5.42 × 3.69 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm5.42 mm1.05 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702513591
Side View
Table 65.0%Crown 29.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 68.1%

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 28
Current: £268 GBP|Low: £137 GBP|High: £808 GBP|Avg: £386 GBP|+4.3%
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
Retailer 15
October 29, 2026
Retailer 15£137 GBP
Retailer 13£152 GBP
Retailer 14£192 GBP
Retailer 5£253 GBP
Retailer 10£261 GBP
Retailer 1£268 GBP
Retailer 2£275 GBP
Retailer 8£278 GBP
Retailer 9£289 GBP
Retailer 11£370 GBP
Retailer 4£391 GBP
Retailer 6£530 GBP
Retailer 12£715 GBP
Retailer 7£767 GBP
Retailer 3£808 GBP

33 data points across 15 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
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
Brilliant Earth
13909816A · Sep 26
£849 GBP
$1,130 USD
View
Price last confirmed 33 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