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Round|Lab Grown|IGI

2.50ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG516256645

Shape and cutting style on the report: Round brilliant

Certificate IGI LG516256645

Diamond specifications and retailer prices

From £387 GBP
$519 USD
As of October 29, 2026
Save £877 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,017 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG516256645 or 516256645. Listed at 14 retailers as of October 28, 2026, with a 226% 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

2.50
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516256645
Dimensions8.71 × 8.65 × 5.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.71 mm8.65 mm2.50 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516256645
Side View
Table 61.5%Crown 34.1°GirdlePavilion 41°Culet: NoneDepth 61.1%

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 29
Current: £2,017 GBP|Low: £310 GBP|High: £2,030 GBP|Avg: £947 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 8£387 GBP
Retailer 12£434 GBP
Retailer 9£481 GBP
Retailer 11£481 GBP
Retailer 6£582 GBP
Retailer 13£675 GBP
Retailer 10£744 GBP
Retailer 2£859 GBP
Retailer 3£941 GBP
Retailer 7£1,240 GBP
Retailer 5£1,563 GBP
Retailer 4£1,609 GBP
MOH London£2,017 GBP

26 data points across 13 retailers

14 retailers£387 GBP to £1,264 GBP

A
Cheapest Retailer
-
£387 GBP
$519 USD
A
Retailer 2
-
£434 GBP
$582 USD
View
A
Retailer 3
-
£434 GBP
$582 USD
View
Final sale: no returns
A
Retailer 4
-
£481 GBP
$644 USD
View
Retailer 5
-
£481 GBP
$644 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£582 GBP
$780 USD
View
B+
Retailer 7
-
£675 GBP
$904 USD
View
B+
Retailer 8
-
£744 GBP
$997 USD
View
B+
Retailer 9
-
£859 GBP
View
B+
Retailer 10
-
£941 GBP
$1,261 USD
View
B
Retailer 11
-
£1,240 GBP
$1,662 USD
View
B+
Retailer 12
-
£1,264 GBP
$1,694 USD
View
Retailer 13
-
£1,563 GBP
$2,094 USD
View
Price last confirmed 12 days ago
Most Expensive
MOH London
LG516256645 · Oct 21
£2,017 GBP
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from £387 GBPSave up to £877 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 Round
£387 GBP