Radiant|Lab Grown|IGI

1.09ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG811627603

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

Certificate IGI LG811627603

Diamond specifications and retailer prices

From £124 GBP
$165 USD
As of October 30, 2026
Save £982 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,106 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.09ct lab-grown radiant diamond

This 1.09ct 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 LG811627603 or 811627603. Listed at 20 retailers as of October 27, 2026, with prices from £124 to £1,106, a £982 spread on the same certified stone. Queensmith lists it at £1,106. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811627603
Dimensions6.98 × 5.01 × 3.64 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm5.01 mm1.09 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811627603
Side View
Table 64.0%Crown 38.1°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 72.7%

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 30
Current: £124 GBP|Low: £120 GBP|High: £732 GBP|Avg: £335 GBP|+3.1%
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
October 30, 2026
Retailer 1£124 GBP
Retailer 6£140 GBP
Retailer 3£155 GBP
Retailer 4£210 GBP
Retailer 9£266 GBP
Retailer 8£275 GBP
Retailer 13£302 GBP
Retailer 5£339 GBP
Retailer 11£377 GBP
Retailer 10£451 GBP
Retailer 14£526 GBP
Retailer 7£534 GBP
Retailer 2£556 GBP
Retailer 12£725 GBP

45 data points across 14 retailers

20 retailers£124 GBP to £1,106 GBP

A
Cheapest Retailer
-
£124 GBP
$165 USD
A
Retailer 2
-
£140 GBP
$186 USD
View
Final sale: no returns
A
Retailer 3
-
£145 GBP
$193 USD
View
A
Retailer 4
-
£155 GBP
$206 USD
View
A
Retailer 5
-
£155 GBP
$206 USD
View
B+
Retailer 6
-
£210 GBP
$280 USD
View
A
Retailer 7
-
£266 GBP
ZAR 5,719 ZAR
View
A
Retailer 8
-
£270 GBP
$359 USD
View
A
Retailer 9
-
£275 GBP
View
A
Retailer 10
-
£302 GBP
€383 EUR
View
A
Retailer 11
-
£339 GBP
$451 USD
View
B+
Retailer 12
-
£377 GBP
A$773 AUD
View
B+
Retailer 13
-
£451 GBP
A$924 AUD
View
B+
Retailer 14
-
£498 GBP
$663 USD
View
B+
Retailer 15
-
£526 GBP
$700 USD
View
B+
Retailer 16
-
£534 GBP
$712 USD
View
B
Retailer 17
-
£556 GBP
$740 USD
View
B
Retailer 18
-
£725 GBP
View
B
Retailer 19
-
£815 GBP
$1,086 USD
View
Most Expensive
B
Queensmith
LG811627603 · Oct 27
£1,106 GBP
View
19 more retailers have this diamond
Prices start from £124 GBPSave up to £982 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
1.09ct Radiant
£124 GBP