Radiant|Lab Grown|IGI

3.08ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG635406646

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

Certificate IGI LG635406646

Diamond specifications and retailer prices

From £231 GBP
$307 USD
As of October 23, 2026
Save £2,510 GBP (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,741 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG635406646 or 635406646. Listed at 17 retailers as of October 23, 2026, with prices from £231 to £2,741, a £2,510 spread on the same certified stone. Brilliant Earth lists it at £2,741. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.08
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635406646
Dimensions9.65 × 7.25 × 5.11 mm
L/W Ratio1.33
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.65 mm7.25 mm3.08 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635406646
Side View
Table 65.0%Crown 46.7°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 70.5%

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 23
Current: £2,741 GBP|Low: £222 GBP|High: £2,823 GBP|Avg: £744 GBP|-2.9%
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
Retailer 16
Retailer 17
October 27, 2026
Retailer 17£231 GBP
Retailer 7£258 GBP
Retailer 16£267 GBP
Retailer 8£286 GBP
Retailer 9£317 GBP
Retailer 2£383 GBP
Retailer 13£445 GBP
Retailer 15£467 GBP
Retailer 10£505 GBP
Retailer 5£527 GBP
Retailer 3£705 GBP
Retailer 14£740 GBP
Retailer 6£917 GBP
Retailer 4£919 GBP
Retailer 11£1,147 GBP
Retailer 12£1,536 GBP
Brilliant Earth£2,741 GBP

38 data points across 17 retailers

17 retailers£231 GBP to £2,741 GBP

A
Cheapest Retailer
-
£231 GBP
$307 USD
A
Retailer 2
-
£258 GBP
$343 USD
View
Final sale: no returns
A
Retailer 3
-
£267 GBP
$356 USD
View
A
Retailer 4
-
£286 GBP
$381 USD
View
A
Retailer 5
-
£317 GBP
HK$3,300 HKD
View
A
Retailer 6
-
£383 GBP
View
A
Retailer 7
-
£445 GBP
€565 EUR
View
B+
Retailer 8
-
£467 GBP
$622 USD
View
A
Retailer 9
-
£505 GBP
View
A
Retailer 10
-
£527 GBP
$702 USD
View
B+
Retailer 11
-
£705 GBP
$939 USD
View
B+
Retailer 12
-
£740 GBP
$986 USD
View
B+
Retailer 13
-
£917 GBP
SGD 1,650 SGD
View
B+
Retailer 14
-
£919 GBP
$1,224 USD
View
B+
Retailer 15
-
£1,147 GBP
View
B
Retailer 16
-
£1,536 GBP
$2,045 USD
View
Most Expensive
B
Brilliant Earth
14415120A · Oct 29
£2,741 GBP
$3,650 USD
View
16 more retailers have this diamond
Prices start from £231 GBPSave up to £2,510 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
£231 GBP