Radiant|Lab Grown|IGI

1.05ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG811682611

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG811682611

Diamond specifications and retailer prices

From £123 GBP
$165 USD
As of October 30, 2026
Save £690 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £813 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant 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 LG811682611 or 811682611. Listed at 20 retailers as of October 27, 2026, with prices from £123 to £813, a £690 spread on the same certified stone. Brilliant Earth lists it at £813. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811682611
Dimensions7.49 × 4.98 × 3.31 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.49 mm4.98 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811682611
Side View
Table 64.0%Crown 43.7°Girdle: MediumPavilion 34°Culet: NoneDepth 66.5%

Caratlytics Score

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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: £813 GBP|Low: £122 GBP|High: £843 GBP|Avg: £358 GBP|-3.5%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 20
October 31, 2026
Retailer 17£123 GBP
Retailer 10£137 GBP
Retailer 4£143 GBP
Retailer 3£152 GBP
Retailer 19£152 GBP
Retailer 14£192 GBP
Retailer 8£252 GBP
Retailer 16£262 GBP
Retailer 13£268 GBP
Retailer 11£275 GBP
Retailer 2£276 GBP
Retailer 18£372 GBP
Retailer 7£390 GBP
Retailer 6£396 GBP
Retailer 20£490 GBP
Retailer 5£518 GBP
Retailer 9£531 GBP
Retailer 15£718 GBP
Retailer 12£807 GBP
Brilliant Earth£813 GBP

33 data points across 20 retailers

20 retailers£123 GBP to £813 GBP

A
Cheapest Retailer
-
£123 GBP
$165 USD
A
Retailer 2
-
£137 GBP
$183 USD
View
Final sale: no returns
A
Retailer 3
-
£143 GBP
$191 USD
View
A
Retailer 4
-
£152 GBP
$204 USD
View
A
Retailer 5
-
£152 GBP
$204 USD
View
A
Retailer 6
-
£192 GBP
View
A
Retailer 7
-
£252 GBP
$338 USD
View
A
Retailer 8
-
£262 GBP
ZAR 5,671 ZAR
View
A
Retailer 9
-
£268 GBP
View
A
Retailer 10
-
£275 GBP
$368 USD
View
A
Retailer 11
-
£276 GBP
€352 EUR
View
B+
Retailer 12
-
£372 GBP
A$767 AUD
View
B+
Retailer 13
-
£390 GBP
$523 USD
View
Retailer 14
-
£396 GBP
$530 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
£490 GBP
$657 USD
View
B
Retailer 16
-
£518 GBP
$694 USD
View
B
Retailer 17
-
£531 GBP
$712 USD
View
B
Retailer 18
-
£718 GBP
View
B
Retailer 19
-
£807 GBP
$1,082 USD
View
Most Expensive
B
Brilliant Earth
20357708A · Oct 27
£813 GBP
$1,090 USD
View
19 more retailers have this diamond
Prices start from £123 GBPSave up to £690 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 Radiant
£123 GBP