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Radiant|Lab Grown|IGI

3.28ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG821627246

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

Certificate IGI LG821627246

Diamond specifications and retailer prices

From £511 GBP
$685 USD
As of October 29, 2026
Save £2,362 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,873 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.28ct lab-grown radiant diamond

This 3.28ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821627246 or 821627246. Listed at 17 retailers as of October 28, 2026, with prices from £511 to £2,873, a £2,362 spread on the same certified stone. Rare Carat lists it at £2,873. 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

3.28
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821627246
Dimensions10.92 × 7.17 × 4.64 mm
L/W Ratio1.52
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.92 mm7.17 mm3.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821627246
Side View
Table 67.0%Crown 42.1°Girdle: STK-THKPavilion 32.2°Culet: NoneDepth 64.7%

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 29
Current: £2,873 GBP|Low: £511 GBP|High: £2,873 GBP|Avg: £1,405 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 31, 2026
Retailer 15£511 GBP
Retailer 6£661 GBP
Retailer 10£760 GBP
Retailer 8£828 GBP
Retailer 11£887 GBP
Retailer 9£1,197 GBP
Retailer 4£1,231 GBP
Retailer 2£1,406 GBP
Retailer 13£1,529 GBP
Retailer 7£1,661 GBP
Retailer 5£1,728 GBP
Retailer 3£1,788 GBP
Retailer 14£1,831 GBP
Retailer 12£1,877 GBP
Retailer 16£2,473 GBP
Rare Carat£2,873 GBP

21 data points across 16 retailers

17 retailers£511 GBP to £2,873 GBP

A
Cheapest Retailer
-
£511 GBP
$685 USD
Final sale: no returns
A
Retailer 2
-
£661 GBP
$885 USD
View
A
Retailer 3
-
£760 GBP
$1,018 USD
View
Retailer 4
-
£828 GBP
€1,056 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
£887 GBP
View
A
Retailer 6
-
£1,197 GBP
A$2,468 AUD
View
A
Retailer 7
-
£1,231 GBP
ZAR 26,637 ZAR
View
A
Retailer 8
-
£1,406 GBP
$1,884 USD
View
A
Retailer 9
-
£1,529 GBP
$2,049 USD
View
B+
Retailer 10
-
£1,661 GBP
View
B+
Retailer 11
-
£1,728 GBP
$2,315 USD
View
B+
Retailer 12
-
£1,788 GBP
SGD 3,238 SGD
View
B+
Retailer 13
-
£1,831 GBP
$2,454 USD
View
B+
Retailer 14
-
£1,877 GBP
$2,515 USD
View
Retailer 15
-
£2,289 GBP
A$4,719 AUD
View
Price last confirmed 22 days ago
B
Retailer 16
-
£2,473 GBP
View
Most Expensive
B
Rare Carat
CN191-85A · Oct 28
£2,873 GBP
$3,850 USD
View
16 more retailers have this diamond
Prices start from £511 GBPSave up to £2,362 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
3.28ct Radiant
£511 GBP