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Radiant|Lab Grown|IGI

3.09ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG742508249

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

Certificate IGI LG742508249

Diamond specifications and retailer prices

From £619 GBP
As of November 4, 2026
Save £1,894 GBP (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,726 GBP at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG742508249 or 742508249. Listed at 23 retailers as of November 4, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742508249
Dimensions11.50 × 7.05 × 4.55 mm
L/W Ratio1.63
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.50 mm7.05 mm3.09 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742508249
Side View
Table 63.0%Crown 41.8°Girdle: MediumPavilion 35.3°Culet: NoneDepth 64.5%

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: Nov 4
Current: £3,726 GBP|Low: £619 GBP|High: £3,770 GBP|Avg: £1,613 GBP|-1.2%
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
November 5, 2026
Retailer 12£619 GBP
Retailer 3£774 GBP
Retailer 4£865 GBP
Retailer 14£939 GBP
Retailer 8£1,021 GBP
Retailer 6£1,049 GBP
Retailer 5£1,373 GBP
Retailer 10£1,385 GBP
Retailer 7£1,451 GBP
Retailer 13£1,491 GBP
Retailer 9£2,170 GBP
Retailer 15£2,179 GBP
Retailer 11£2,213 GBP
Retailer 2£2,513 GBP
Brilliant Earth£3,726 GBP

26 data points across 15 retailers

23 retailers£619 GBP to £2,513 GBP

Retailer 1
-
£441 GBP
Price last confirmed 34 days ago
Retailer 2
-
£515 GBP
View
Price last confirmed 39 days ago
Retailer 3
-
£563 GBP
View
Price last confirmed 41 days ago
Retailer 4
-
£570 GBP
View
Price last confirmed 33 days ago
A
Retailer 5
-
£619 GBP
View
Final sale: no returns
A
Retailer 6
-
£774 GBP
View
A
Retailer 7
-
£865 GBP
View
A
Retailer 8
-
£939 GBP
View
B+
Retailer 9
-
£1,021 GBP
View
B+
Retailer 10
-
£1,049 GBP
View
B+
Retailer 11
-
£1,373 GBP
View
B+
Retailer 12
-
£1,385 GBP
View
Retailer 13
-
£1,441 GBP
View
Price last confirmed 10 days ago
B+
Retailer 14
-
£1,451 GBP
View
B+
Retailer 15
-
£1,491 GBP
View
Retailer 16
-
£1,499 GBP
View
Price last confirmed 36 days ago
B
Retailer 17
-
£2,113 GBP
View
B
Retailer 18
-
£2,170 GBP
View
B
Retailer 19
-
£2,179 GBP
View
B
Retailer 20
-
£2,213 GBP
View
B
Retailer 21
-
£2,513 GBP
View
Retailer 22
-
£2,602 GBP
View
Price last confirmed 60 days ago
Most Expensive
Brilliant Earth
16434785A · Oct 18
£3,726 GBP
$5,030 USD
View
Price last confirmed 17 days ago
22 more retailers have this diamond
Prices start from £619 GBPSave up to £1,894 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
£619 GBP