Radiant|Lab Grown|IGI

3.08ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG633489431

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

Certificate IGI LG633489431

Diamond specifications and retailer prices

From £683 GBP
$910 USD
As of October 27, 2026
Save £6,034 GBP (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £6,717 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 3.08ct lab-grown radiant diamond

This 3.08ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG633489431 or 633489431. Listed at 29 retailers as of October 27, 2026, with prices from £683 to £6,717, a £6,034 spread on the same certified stone. Diamond Quarter lists it at £6,717. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.08
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633489431
Dimensions10.47 × 7.24 × 4.72 mm
L/W Ratio1.45
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
10.47 mm7.24 mm3.08 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633489431
Side View
Table 63.0%Crown 36.6°Girdle: MediumPavilion 33.6°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: Oct 27
Current: £875 GBP|Low: £656 GBP|High: £5,452 GBP|Avg: £1,997 GBP|-0.6%
Retailer 1
Retailer 2
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 4£683 GBP
Retailer 7£793 GBP
Retailer 1£875 GBP
Retailer 15£923 GBP
Retailer 14£954 GBP
Retailer 2£1,198 GBP
Retailer 11£1,221 GBP
Retailer 16£1,258 GBP
Retailer 17£1,601 GBP
Retailer 18£1,789 GBP
Retailer 12£1,841 GBP
Retailer 8£2,186 GBP
Retailer 9£2,230 GBP
Retailer 6£2,353 GBP
Retailer 13£2,704 GBP
Retailer 10£2,853 GBP
Retailer 3£3,560 GBP
Retailer 5£5,452 GBP

31 data points across 18 retailers

29 retailers£683 GBP to £6,717 GBP

A
Cheapest Retailer
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£683 GBP
$910 USD
A
Retailer 2
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£743 GBP
$990 USD
View
A
Retailer 3
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£765 GBP
$1,019 USD
View
Final sale: no returns
Retailer 4
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£793 GBP
$1,056 USD
View
Price last confirmed 12 days ago
A
Retailer 5
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£793 GBP
$1,056 USD
View
A
Retailer 6
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£875 GBP
View
A
Retailer 7
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£923 GBP
HK$9,600 HKD
View
A
Retailer 8
-
£954 GBP
$1,270 USD
View
A
Retailer 9
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£999 GBP
$1,330 USD
View
A
Retailer 10
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£1,198 GBP
$1,595 USD
View
A
Retailer 11
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£1,221 GBP
View
A
Retailer 12
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£1,258 GBP
€1,596 EUR
View
A
Retailer 13
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£1,601 GBP
$2,132 USD
View
Retailer 14
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£1,789 GBP
A$3,666 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
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£1,841 GBP
ZAR 39,611 ZAR
View
A
Retailer 16
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£2,186 GBP
View
A
Retailer 17
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£2,230 GBP
$2,969 USD
View
A
Retailer 18
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£2,256 GBP
$3,004 USD
View
A
Retailer 19
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£2,353 GBP
$3,134 USD
View
A
Retailer 20
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£2,481 GBP
$3,304 USD
View
B+
Retailer 21
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£2,598 GBP
$3,460 USD
View
B+
Retailer 22
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£2,664 GBP
SGD 4,794 SGD
View
B+
Retailer 23
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£2,704 GBP
View
B+
Retailer 24
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£2,756 GBP
$3,670 USD
View
B+
Retailer 25
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£2,853 GBP
$3,799 USD
View
Retailer 26
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£3,560 GBP
A$7,293 AUD
View
Price last confirmed 21 days ago
Retailer 27
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£4,463 GBP
View
Price last confirmed 13 days ago
B
Retailer 28
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£5,452 GBP
$7,260 USD
View
Most Expensive
B
Diamond Quarter
3.08IFELG31FFB5N · Oct 29
£6,717 GBP
View
28 more retailers have this diamond
Prices start from £683 GBPSave up to £6,034 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
3.08ct Radiant
£683 GBP