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Round|Lab Grown|IGI

2.50ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG500151170

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500151170

Diamond specifications and retailer prices

From £1,985 GBP
$2,660 USD
As of October 29, 2026
Save £4,554 GBP (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,539 GBP at MOH London · As of October 29, 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 LG500151170 or 500151170. Listed at 12 retailers as of October 29, 2026, with prices from £1,985 to £6,539, a £4,554 spread on the same certified stone. MOH London lists it at £6,539. 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 angle31.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500151170
Dimensions8.87 × 8.91 × 5.18 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.87 mm8.91 mm2.50 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500151170
Side View
Table 60.5%Crown 31.4°GirdlePavilion 40.4°Culet: NoneDepth 58.3%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £6,539 GBP|Low: £1,985 GBP|High: £10,866 GBP|Avg: £4,913 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3£1,985 GBP
Retailer 5£2,932 GBP
Retailer 7£3,153 GBP
Retailer 8£3,514 GBP
Retailer 2£4,106 GBP
Retailer 6£4,652 GBP
Retailer 4£4,710 GBP
MOH London£6,539 GBP
Retailer 10£6,854 GBP
Retailer 9£10,866 GBP

10 data points across 10 retailers

12 retailers£1,985 GBP to £6,539 GBP

B
Cheapest Retailer
-
£1,985 GBP
$2,660 USD
B
Retailer 2
-
£2,617 GBP
$3,507 USD
View
B
Retailer 3
-
£2,848 GBP
$3,816 USD
View
B
Retailer 4
-
£2,932 GBP
$3,928 USD
View
Final sale: no returns
B
Retailer 5
-
£3,036 GBP
$4,068 USD
View
Retailer 6
-
£3,036 GBP
$4,068 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£3,153 GBP
$4,225 USD
View
B
Retailer 8
-
£3,794 GBP
$5,084 USD
View
B
Retailer 9
-
£4,106 GBP
$5,502 USD
View
B
Retailer 10
-
£4,652 GBP
View
B
Retailer 11
-
£4,710 GBP
$6,311 USD
View
Most Expensive
C
MOH London
LG500151170 · Oct 29
£6,539 GBP
View
11 more retailers have this diamond
Prices start from £1,985 GBPSave up to £4,554 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
£1,985 GBP