CaratHunter
Plans
Cushion|Lab Grown|IGI

1.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG828618585

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828618585

Diamond specifications and retailer prices

From £137 GBP
$182 USD
As of October 27, 2026
Save £674 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £811 GBP at Brilliant Earth · As of October 29, 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 LG828618585 or 828618585. Listed at 16 retailers as of October 27, 2026, with prices from £137 to £811, a £674 spread on the same certified stone. Brilliant Earth lists it at £811. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828618585
Dimensions6.98 × 5.28 × 3.24 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm5.28 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG828618585
Side View
Table 73.0%Crown 35.8°Girdle: MED-THKPavilion 34.1°Culet: NoneDepth 61.4%

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 27
Current: £811 GBP|Low: £134 GBP|High: £811 GBP|Avg: £400 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
October 29, 2026
Retailer 5£137 GBP
Retailer 8£190 GBP
Retailer 12£254 GBP
Retailer 13£256 GBP
Retailer 9£266 GBP
Retailer 3£273 GBP
Retailer 10£326 GBP
Retailer 14£394 GBP
Retailer 7£411 GBP
Retailer 2£489 GBP
Retailer 6£528 GBP
Retailer 11£710 GBP
Retailer 4£807 GBP
Brilliant Earth£811 GBP

40 data points across 14 retailers

16 retailers£137 GBP to £811 GBP

A
Cheapest Retailer
-
£137 GBP
$182 USD
Final sale: no returns
A
Retailer 2
-
£173 GBP
HK$1,800 HKD
View
A
Retailer 3
-
£190 GBP
View
A
Retailer 4
-
£253 GBP
$337 USD
View
A
Retailer 5
-
£254 GBP
€322 EUR
View
A
Retailer 6
-
£256 GBP
ZAR 5,513 ZAR
View
A
Retailer 7
-
£266 GBP
View
B+
Retailer 8
-
£273 GBP
$364 USD
View
B+
Retailer 9
-
£326 GBP
View
B+
Retailer 10
-
£394 GBP
$525 USD
View
B+
Retailer 11
-
£411 GBP
SGD 740 SGD
View
B
Retailer 12
-
£489 GBP
$651 USD
View
B
Retailer 13
-
£528 GBP
$704 USD
View
B
Retailer 14
-
£710 GBP
View
B
Retailer 15
-
£807 GBP
$1,075 USD
View
Most Expensive
B
Brilliant Earth
21003236A · Oct 29
£811 GBP
$1,080 USD
View
15 more retailers have this diamond
Prices start from £137 GBPSave up to £674 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