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Radiant|Lab Grown|IGI

1.08ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG677544487

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

Certificate IGI LG677544487

Diamond specifications and retailer prices

From £128 GBP
$171 USD
As of October 30, 2026
Save £1,447 GBP (92%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £1,575 GBP at Zales · As of October 30, 2026
View at Zales

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 LG677544487 or 677544487. Listed at 28 retailers as of October 30, 2026, with prices from £128 to £1,575, a £1,447 spread on the same certified stone. Zales lists it at £1,575. 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 angle44.7°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677544487
Dimensions7.29 × 5.13 × 3.39 mm
L/W Ratio1.42
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
7.29 mm5.13 mm1.08 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677544487
Side View
Table 63.0%Crown 44.7°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.1%

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: £815 GBP|Low: £122 GBP|High: £1,545 GBP|Avg: £456 GBP|-1.1%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 16£128 GBP
Retailer 8£142 GBP
Retailer 5£148 GBP
Retailer 2£158 GBP
Retailer 6£158 GBP
Retailer 11£286 GBP
Retailer 12£300 GBP
Retailer 9£317 GBP
Retailer 7£396 GBP
Retailer 13£425 GBP
Retailer 15£537 GBP
Retailer 3£560 GBP
Retailer 4£657 GBP
Retailer 1£815 GBP
Retailer 14£896 GBP
Retailer 10£1,269 GBP

42 data points across 16 retailers

28 retailers£128 GBP to £1,575 GBP

A
Cheapest Retailer
-
£128 GBP
$171 USD
A
Retailer 2
-
£142 GBP
$190 USD
View
Final sale: no returns
A
Retailer 3
-
£148 GBP
$198 USD
View
Retailer 4
-
£158 GBP
$212 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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£158 GBP
$212 USD
View
A
Retailer 6
-
£210 GBP
$282 USD
View
B+
Retailer 7
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£213 GBP
$286 USD
View
A
Retailer 8
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£286 GBP
€365 EUR
View
A
Retailer 9
-
£300 GBP
ZAR 6,483 ZAR
View
A
Retailer 10
-
£317 GBP
View
A
Retailer 11
-
£363 GBP
$486 USD
View
A
Retailer 12
-
£396 GBP
$530 USD
View
A
Retailer 13
-
£425 GBP
A$877 AUD
View
B+
Retailer 14
-
£537 GBP
$719 USD
View
B+
Retailer 15
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£560 GBP
$751 USD
View
B+
Retailer 16
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£600 GBP
$804 USD
View
B+
Retailer 17
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£657 GBP
$880 USD
View
B+
Retailer 18
-
£690 GBP
$924 USD
View
B+
Retailer 19
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£778 GBP
View
B+
Retailer 20
-
£815 GBP
View
B
Retailer 21
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£822 GBP
$1,102 USD
View
B
Retailer 22
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£851 GBP
$1,140 USD
View
Retailer 23
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£896 GBP
$1,200 USD
View
Price last confirmed 14 days ago
B
Retailer 24
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£910 GBP
View
B
Retailer 25
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£1,224 GBP
$1,640 USD
View
B
Retailer 26
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£1,269 GBP
$1,700 USD
View
B
Retailer 27
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£1,575 GBP
$2,110 USD
View
Most Expensive
B
Zales
522877696 · Oct 30
£1,575 GBP
$2,110 USD
View
27 more retailers have this diamond
Prices start from £128 GBPSave up to £1,447 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
£128 GBP