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Oval|Lab Grown|IGI

3.28ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG787623559

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787623559

Diamond specifications and retailer prices

From £1,234 GBP
$1,653 USD
As of November 1, 2026
Save £4,483 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,717 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.28ct lab-grown oval diamond

This 3.28ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787623559 or 787623559. Listed at 11 retailers as of October 31, 2026, with prices from £1,234 to £5,717, a £4,483 spread on the same certified stone. Brilliant Earth lists it at £5,717. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623559
Dimensions11.78 × 8.38 × 5.29 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.78 mm8.38 mm3.28 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623559
Side View
Table 62.0%Crown 35.1°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 63.1%

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: Nov 1
Current: £5,717 GBP|Low: £1,234 GBP|High: £8,635 GBP|Avg: £3,574 GBP|-33.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6£1,234 GBP
Retailer 11£1,271 GBP
Retailer 2£1,511 GBP
Retailer 10£1,567 GBP
Retailer 4£1,667 GBP
Retailer 7£2,583 GBP
Retailer 9£2,693 GBP
Retailer 5£3,363 GBP
Retailer 8£3,648 GBP
Retailer 3£3,976 GBP
Brilliant Earth£5,717 GBP

31 data points across 11 retailers

11 retailers£1,234 GBP to £5,717 GBP

A
Cheapest Retailer
-
£1,234 GBP
$1,653 USD
A
Retailer 2
-
£1,271 GBP
HK$13,300 HKD
View
A
Retailer 3
-
£1,511 GBP
View
A
Retailer 4
-
£1,567 GBP
$2,100 USD
View
A
Retailer 5
-
£1,667 GBP
€2,127 EUR
View
B+
Retailer 6
-
£2,583 GBP
$3,461 USD
View
B+
Retailer 7
-
£2,693 GBP
$3,608 USD
View
B+
Retailer 8
-
£3,363 GBP
View
B+
Retailer 9
-
£3,648 GBP
$4,888 USD
View
B+
Retailer 10
-
£3,976 GBP
$5,328 USD
View
Most Expensive
B
Brilliant Earth
20052013A · Oct 31
£5,717 GBP
$7,660 USD
View
10 more retailers have this diamond
Prices start from £1,234 GBPSave up to £4,483 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 Oval
£1,234 GBP