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Round|Lab Grown|IGI

2.50ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG722566848

Shape and cutting style on the report: Round brilliant

Certificate IGI LG722566848

Diamond specifications and retailer prices

From £4,120 GBP
$5,520 USD
As of October 31, 2026
8 retailers carry this diamond
Most expensive: £5,135 GBP at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG722566848 or 722566848. Listed at 8 retailers as of October 31, 2026. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722566848
Dimensions8.72 × 8.77 × 5.31 mm
L/W Ratio1.01
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
8.72 mm8.77 mm2.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722566848
Side View
Table 59.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,120 GBP|Low: £593 GBP|High: £5,291 GBP|Avg: £2,026 GBP|-22.1%
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 8£593 GBP
Retailer 2£607 GBP
Retailer 9£761 GBP
Retailer 15£887 GBP
Retailer 5£933 GBP
Retailer 3£964 GBP
Retailer 13£1,220 GBP
Retailer 12£1,247 GBP
Retailer 4£1,833 GBP
Retailer 7£2,082 GBP
Retailer 11£2,369 GBP
Retailer 6£2,664 GBP
Retailer 10£3,523 GBP
Retailer 14£3,922 GBP
Brilliant Earth£4,120 GBP

12 data points across 15 retailers

8 retailers

Retailer 1
-
£593 GBP
$795 USD
Price last confirmed 12 days ago
Retailer 2
-
£607 GBP
View
Price last confirmed 13 days ago
Retailer 3
-
£761 GBP
$1,019 USD
View
Price last confirmed 14 days ago
Retailer 4
-
£1,220 GBP
$1,635 USD
View
Price last confirmed 13 days ago
Retailer 5
-
£2,369 GBP
View
Price last confirmed 14 days ago
Retailer 6
-
£3,922 GBP
$5,255 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£4,120 GBP
$5,520 USD
View
Most Expensive
Brilliant Earth
21403109Y · Oct 18
£5,135 GBP
$6,880 USD
View
Price last confirmed 13 days ago
7 more retailers have this diamond
Prices start from £4,120 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.

B
2.50ct Round
£4,120 GBP