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Radiant|Lab Grown|IGI

3.08ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG755532731

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

Certificate IGI LG755532731

Diamond specifications and retailer prices

From £772 GBP
$1,035 USD
As of October 31, 2026
Save £1,678 GBP (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,993 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.08ct lab-grown radiant diamond

This 3.08ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG755532731 or 755532731. Listed at 4 retailers as of October 30, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755532731
Dimensions10.52 × 7.23 × 4.73 mm
L/W Ratio1.46
Culet sizePointed
Top View
10.52 mm7.23 mm3.08 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755532731
Side View
Table 64.0%Crown 42.2°Girdle: MediumPavilion 34.5°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £5,993 GBP|Low: £200 GBP|High: £5,993 GBP|Avg: £770 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
September 15, 2026
Retailer 8£422 GBP
Retailer 4£463 GBP
Retailer 9£480 GBP
Retailer 7£556 GBP
Retailer 12£657 GBP
Retailer 5£772 GBP
Retailer 10£799 GBP
Retailer 3£1,042 GBP
Retailer 6£1,238 GBP
Retailer 11£1,711 GBP
Retailer 2£2,450 GBP
Do Amore Diamonds£5,993 GBP

69 data points across 12 retailers

4 retailers£772 GBP to £2,450 GBP

B+
Cheapest Retailer
-
£772 GBP
$1,035 USD
B
Retailer 2
-
£1,238 GBP
$1,659 USD
View
B
Retailer 3
-
£2,450 GBP
CA$4,560 CAD
View
Most Expensive
Do Amore Diamonds
16-500132635 · Oct 31
£5,993 GBP
$8,030 USD
View
Price under review
3 more retailers have this diamond
Prices start from £772 GBPSave up to £1,678 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.

B+
3.08ct Radiant
£772 GBP