Radiant|Lab Grown|IGI

5.09ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG842606979

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

Certificate IGI LG842606979

Diamond specifications and retailer prices

From £1,158 GBP
As of October 26, 2026
Save £2,718 GBP (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,273 GBP at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 5.09ct lab-grown radiant diamond

This 5.09ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842606979 or 842606979. Listed at 16 retailers as of October 26, 2026, with a 235% 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

5.09
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842606979
Dimensions12.17 × 8.36 × 5.69 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.17 mm8.36 mm5.09 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842606979
Side View
Table 66.0%Crown 43.9°Girdle: Slightly ThickPavilion 35.6°Culet: NoneDepth 68.1%

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 26
Current: £4,273 GBP|Low: £1,156 GBP|High: £4,273 GBP|Avg: £2,553 GBP
Rare Carat
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
October 26, 2026
Retailer 2£1,158 GBP
Retailer 16£1,175 GBP
Retailer 9£1,583 GBP
Retailer 13£1,748 GBP
Retailer 12£1,864 GBP
Retailer 15£2,058 GBP
Retailer 5£2,070 GBP
Retailer 11£2,223 GBP
Retailer 6£2,236 GBP
Retailer 7£2,673 GBP
Retailer 3£2,696 GBP
Retailer 4£3,169 GBP
Retailer 14£3,292 GBP
Retailer 10£3,553 GBP
Retailer 8£3,876 GBP
Rare Carat£4,273 GBP

16 data points across 16 retailers

16 retailers£1,158 GBP to £3,876 GBP

A
Cheapest Retailer
-
£1,158 GBP
A
Retailer 2
-
£1,175 GBP
$1,575 USD
View
A
Retailer 3
-
£1,583 GBP
View
Retailer 4
-
£1,748 GBP
$2,342 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£1,864 GBP
€2,379 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
£2,058 GBP
$2,758 USD
View
A
Retailer 7
-
£2,070 GBP
$2,774 USD
View
B+
Retailer 8
-
£2,223 GBP
ZAR 48,118 ZAR
View
Retailer 9
-
£2,236 GBP
A$4,610 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£2,673 GBP
View
B+
Retailer 11
-
£2,696 GBP
$3,613 USD
View
B+
Retailer 12
-
£3,169 GBP
$4,246 USD
View
B+
Retailer 13
-
£3,292 GBP
$4,411 USD
View
B
Retailer 14
-
£3,553 GBP
View
B
Retailer 15
-
£3,876 GBP
$5,193 USD
View
Most Expensive
Rare Carat
842606979 · Oct 7
£4,273 GBP
$5,725 USD
View
Price last confirmed 23 days ago
15 more retailers have this diamond
Prices start from £1,158 GBPSave up to £2,718 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
5.09ct Radiant
£1,158 GBP