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Radiant|Lab Grown|IGI

3.09ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG821658565

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG821658565

Diamond specifications and retailer prices

From £872 GBP
$1,159 USD
As of October 28, 2026
Save £1,588 GBP (65%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,460 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821658565 or 821658565. Listed at 5 retailers as of October 26, 2026, with prices from £872 to £2,460, a £1,588 spread on the same certified stone. MOH London lists it at £2,460. 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

3.09
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821658565
Dimensions10.18 × 7.22 × 4.51 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.18 mm7.22 mm3.09 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821658565
Side View
Table 70.0%Crown 28.9°Girdle: MediumPavilion 39.9°Culet: LargeDepth 62.5%

Caratlytics Score

How it works →
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 28
Current: £2,460 GBP|Low: £872 GBP|High: £2,483 GBP|Avg: £1,419 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 3£872 GBP
Retailer 2£927 GBP
Retailer 4£951 GBP
Retailer 5£2,012 GBP
MOH London£2,460 GBP

15 data points across 5 retailers

5 retailers£872 GBP to £2,460 GBP

A
Cheapest Retailer
-
£872 GBP
$1,159 USD
A
Retailer 2
-
£927 GBP
View
A
Retailer 3
-
£951 GBP
$1,264 USD
View
B
Retailer 4
-
£2,012 GBP
$2,673 USD
View
Most Expensive
B
MOH London
LG821658565 · Oct 26
£2,460 GBP
View
4 more retailers have this diamond
Prices start from £872 GBPSave up to £1,588 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
3.09ct Radiant
£872 GBP