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Radiant|Lab Grown|IGI

3.05ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG522238974

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

Certificate IGI LG522238974

Diamond specifications and retailer prices

From £1,517 GBP
As of November 6, 2026
Save £5,857 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £12,468 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.05ct lab-grown radiant diamond

This 3.05ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522238974 or 522238974. Listed at 13 retailers as of November 6, 2026, with a 386% 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

3.05
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle52.6°
Pavilion angle28°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522238974
Dimensions8.98 × 7.01 × 4.80 mm
L/W Ratio1.28
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.98 mm7.01 mm3.05 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522238974
Side View
Table 66.0%Crown 52.6°Girdle: STK-THKPavilion 28°Culet: NoneDepth 68.5%

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: Nov 6
Current: £12,468 GBP|Low: £1,517 GBP|High: £16,649 GBP|Avg: £7,428 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 7£1,517 GBP
Retailer 6£5,488 GBP
Retailer 5£5,556 GBP
Retailer 12£5,849 GBP
Retailer 10£6,147 GBP
Retailer 13£6,328 GBP
Retailer 8£6,367 GBP
Retailer 3£6,532 GBP
Retailer 2£7,198 GBP
Retailer 9£7,374 GBP
Retailer 4£8,203 GBP
MOH London£12,468 GBP
Retailer 11£16,649 GBP

14 data points across 13 retailers

13 retailers£1,517 GBP to £7,374 GBP

B+
Cheapest Retailer
-
£1,517 GBP
B
Retailer 2
-
£5,488 GBP
View
B
Retailer 3
-
£5,708 GBP
View
B
Retailer 4
-
£5,849 GBP
View
B
Retailer 5
-
£6,147 GBP
View
Final sale: no returns
B
Retailer 6
-
£6,328 GBP
View
B
Retailer 7
-
£6,367 GBP
View
Retailer 8
-
£6,367 GBP
View
Price last confirmed 26 days ago
B
Retailer 9
-
£7,160 GBP
View
B
Retailer 10
-
£7,198 GBP
View
B
Retailer 11
-
£7,374 GBP
View
Most Expensive
MOH London
LG522238974 · Nov 5
£12,468 GBP
View
Price under review
11 more retailers have this diamond
Prices start from £1,517 GBPSave up to £5,857 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+
3.05ct Radiant
£1,517 GBP