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Oval|Lab Grown|IGI

2.50ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG780663468

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780663468

Diamond specifications and retailer prices

From £788 GBP
HK$8,200 HKD
As of October 30, 2026
Save £6,098 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,886 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.5ct lab-grown oval diamond

This 2.5ct lab-grown oval sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663468 or 780663468. Listed at 16 retailers as of October 29, 2026, with prices from £788 to £6,886, a £6,098 spread on the same certified stone. Brilliant Earth lists it at £6,886. 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

2.50
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663468
Dimensions11.04 × 7.62 × 4.78 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
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
11.04 mm7.62 mm2.50 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663468
Side View
Table 58.0%Crown 36.3°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 62.7%

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 30
Current: £6,886 GBP|Low: £788 GBP|High: £7,111 GBP|Avg: £2,355 GBP|-3.2%
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
October 30, 2026
Retailer 11£788 GBP
Retailer 13£857 GBP
Retailer 3£976 GBP
Retailer 10£1,034 GBP
Retailer 2£1,042 GBP
Retailer 14£1,652 GBP
Retailer 8£1,674 GBP
Retailer 7£1,771 GBP
Retailer 15£1,882 GBP
Retailer 5£2,194 GBP
Retailer 6£2,238 GBP
Retailer 4£2,440 GBP
Retailer 9£2,552 GBP
Retailer 12£4,063 GBP
Brilliant Earth£6,886 GBP

43 data points across 15 retailers

16 retailers£788 GBP to £6,886 GBP

A
Cheapest Retailer
-
£788 GBP
HK$8,200 HKD
A
Retailer 2
-
£857 GBP
$1,141 USD
View
A
Retailer 3
-
£976 GBP
$1,300 USD
View
A
Retailer 4
-
£1,034 GBP
€1,311 EUR
View
A
Retailer 5
-
£1,042 GBP
View
A
Retailer 6
-
£1,652 GBP
$2,200 USD
View
A
Retailer 7
-
£1,674 GBP
ZAR 36,015 ZAR
View
B+
Retailer 8
-
£1,771 GBP
A$3,628 AUD
View
B+
Retailer 9
-
£1,882 GBP
$2,506 USD
View
B+
Retailer 10
-
£2,194 GBP
$2,922 USD
View
B+
Retailer 11
-
£2,238 GBP
$2,980 USD
View
B+
Retailer 12
-
£2,440 GBP
$3,249 USD
View
B+
Retailer 13
-
£2,552 GBP
View
B
Retailer 14
-
£4,063 GBP
$5,410 USD
View
Retailer 15
-
£4,193 GBP
$5,584 USD
View
Price last confirmed 71 days ago
Most Expensive
B
Brilliant Earth
19088378A · Oct 29
£6,886 GBP
$9,170 USD
View
15 more retailers have this diamond
Prices start from £788 GBPSave up to £6,098 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
2.50ct Oval
£788 GBP