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Radiant|Lab Grown|IGI

1.10ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG604312857

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

Certificate IGI LG604312857

Diamond specifications and retailer prices

From £144 GBP
As of November 4, 2026
Save £1,111 GBP (89%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £1,255 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.1ct lab-grown radiant diamond

This 1.1ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG604312857 or 604312857. Listed at 28 retailers as of November 6, 2026, with prices from £144 to £1,255, a £1,111 spread on the same certified stone. Brilliant Earth lists it at £1,255. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.10
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604312857
Dimensions7.54 × 5.08 × 3.31 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.54 mm5.08 mm1.10 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604312857
Side View
Table 64.0%Crown 45.7°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,255 GBP|Low: £144 GBP|High: £1,412 GBP|Avg: £463 GBP|-11.1%
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
November 7, 2026
Retailer 14£144 GBP
Retailer 4£161 GBP
Retailer 3£210 GBP
Retailer 15£254 GBP
Retailer 8£303 GBP
Retailer 9£305 GBP
Retailer 2£321 GBP
Retailer 5£359 GBP
Retailer 10£436 GBP
Retailer 6£498 GBP
Retailer 13£577 GBP
Retailer 7£624 GBP
Retailer 12£625 GBP
Retailer 11£835 GBP
Brilliant Earth£1,255 GBP

46 data points across 15 retailers

28 retailers£144 GBP to £1,255 GBP

A
Cheapest Retailer
-
£144 GBP
Retailer 2
-
£144 GBP
View
Price last confirmed 30 days ago
Retailer 3
-
£144 GBP
View
Price last confirmed 38 days ago
A
Retailer 4
-
£144 GBP
View
A
Retailer 5
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£161 GBP
View
Final sale: no returns
Retailer 6
-
£167 GBP
View
Price last confirmed 41 days ago
Retailer 7
-
£176 GBP
View
Price last confirmed 39 days ago
Retailer 8
-
£179 GBP
View
Price last confirmed 35 days ago
A
Retailer 9
-
£210 GBP
View
A
Retailer 10
-
£254 GBP
View
A
Retailer 11
-
£303 GBP
View
A
Retailer 12
-
£305 GBP
View
A
Retailer 13
-
£321 GBP
View
A
Retailer 14
-
£359 GBP
View
A
Retailer 15
-
£380 GBP
View
A
Retailer 16
-
£436 GBP
View
B+
Retailer 17
-
£498 GBP
View
B+
Retailer 18
-
£575 GBP
View
Retailer 19
-
£575 GBP
View
Price last confirmed 28 days ago
Retailer 20
-
£575 GBP
View
Price last confirmed 38 days ago
B+
Retailer 21
-
£575 GBP
View
B+
Retailer 22
-
£577 GBP
View
B+
Retailer 23
-
£612 GBP
View
B+
Retailer 24
-
£614 GBP
View
Retailer 25
-
£625 GBP
View
Price last confirmed 9 days ago
B+
Retailer 26
-
£637 GBP
View
B+
Retailer 27
-
£835 GBP
View
Most Expensive
B
Brilliant Earth
8423159A · Nov 6
£1,255 GBP
$1,680 USD
View
27 more retailers have this diamond
Prices start from £144 GBPSave up to £1,111 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
1.10ct Radiant
£144 GBP