Radiant|Lab Grown|IGI

1.08ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG634474621

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

Certificate IGI LG634474621

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of October 30, 2026
Save £898 GBP (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,052 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.08ct lab-grown radiant diamond

This 1.08ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG634474621 or 634474621. Listed at 25 retailers as of October 30, 2026, with prices from £154 to £1,052, a £898 spread on the same certified stone. Brilliant Earth lists it at £1,052. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.08
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634474621
Dimensions7.14 × 5.08 × 3.45 mm
L/W Ratio1.41
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
7.14 mm5.08 mm1.08 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634474621
Side View
Table 60.0%Crown 45°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 67.9%

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: £1,052 GBP|Low: £149 GBP|High: £1,336 GBP|Avg: £473 GBP|-20.8%
Brilliant Earth
Retailer 2
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Retailer 19
November 1, 2026
Retailer 5£154 GBP
Retailer 3£172 GBP
Retailer 9£180 GBP
Retailer 6£192 GBP
Retailer 10£192 GBP
Retailer 19£204 GBP
Retailer 15£260 GBP
Retailer 13£313 GBP
Retailer 16£330 GBP
Retailer 12£354 GBP
Retailer 11£425 GBP
Retailer 14£466 GBP
Retailer 17£469 GBP
Retailer 8£617 GBP
Retailer 7£699 GBP
Retailer 2£769 GBP
Retailer 18£903 GBP
Retailer 4£908 GBP
Brilliant Earth£1,052 GBP

41 data points across 19 retailers

25 retailers£154 GBP to £1,052 GBP

A
Cheapest Retailer
-
£154 GBP
$207 USD
A
Retailer 2
-
£172 GBP
$231 USD
View
Final sale: no returns
A
Retailer 3
-
£180 GBP
$241 USD
View
Retailer 4
-
£192 GBP
$257 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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£192 GBP
$257 USD
View
Retailer 6
-
£204 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
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£260 GBP
$348 USD
View
A
Retailer 8
-
£313 GBP
€399 EUR
View
A
Retailer 9
-
£330 GBP
ZAR 7,136 ZAR
View
A
Retailer 10
-
£354 GBP
View
A
Retailer 11
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£390 GBP
$523 USD
View
A
Retailer 12
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£425 GBP
$570 USD
View
A
Retailer 13
-
£466 GBP
$625 USD
View
A
Retailer 14
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£469 GBP
A$967 AUD
View
B+
Retailer 15
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£472 GBP
$632 USD
View
B+
Retailer 16
-
£617 GBP
$827 USD
View
B+
Retailer 17
-
£655 GBP
$877 USD
View
B+
Retailer 18
-
£657 GBP
$880 USD
View
B+
Retailer 19
-
£698 GBP
View
B+
Retailer 20
-
£699 GBP
A$1,441 AUD
View
B+
Retailer 21
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£769 GBP
View
Retailer 22
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£896 GBP
$1,200 USD
View
Price last confirmed 14 days ago
Retailer 23
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£903 GBP
$1,210 USD
View
Price last confirmed 14 days ago
B
Retailer 24
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£908 GBP
$1,217 USD
View
Most Expensive
B
Brilliant Earth
10800116A · Oct 31
£1,052 GBP
$1,410 USD
View
24 more retailers have this diamond
Prices start from £154 GBPSave up to £898 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
1.08ct Radiant
£154 GBP