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Round|Lab Grown|IGI

2.51ct K VS1 Round Lab Grown Diamond

EX • K/VS1 • IGI LG447089154

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447089154

Diamond specifications and retailer prices

From £655 GBP
As of November 4, 2026
11 retailers carry this diamond
Most expensive: £1,524 GBP at MOH London · As of October 12, 2026
View at MOH London

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG447089154 or 447089154. Listed at 11 retailers as of November 4, 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

2.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447089154
Dimensions8.78 × 8.82 × 5.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD). Type IIa
Top View
8.78 mm8.82 mm2.51 ctK / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447089154
Side View
Table 61.0%Crown 32°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,524 GBP|Low: £288 GBP|High: £13,054 GBP|Avg: £1,675 GBP|+1.3%
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
Retailer 14
Retailer 15
October 17, 2026
Retailer 10£299 GBP
Retailer 14£335 GBP
Retailer 3£371 GBP
Retailer 13£493 GBP
Retailer 9£498 GBP
Retailer 2£562 GBP
Retailer 8£655 GBP
Retailer 12£828 GBP
Retailer 4£902 GBP
Retailer 5£958 GBP
Retailer 11£982 GBP
Retailer 15£1,317 GBP
MOH London£1,524 GBP
Retailer 7£2,245 GBP
Retailer 6£13,054 GBP

17 data points across 15 retailers

11 retailers

Retailer 1
-
£299 GBP
Price last confirmed 27 days ago
Retailer 2
-
£335 GBP
View
Price last confirmed 24 days ago
Retailer 3
-
£371 GBP
View
Price last confirmed 25 days ago
Retailer 4
-
£371 GBP
View
Price last confirmed 35 days ago
Retailer 5
-
£493 GBP
View
Price last confirmed 25 days ago
A
Retailer 6
-
£655 GBP
View
Retailer 7
-
£828 GBP
View
Price last confirmed 30 days ago
Retailer 8
-
£902 GBP
View
Price last confirmed 24 days ago
Retailer 9
-
£982 GBP
View
Price last confirmed 28 days ago
Retailer 10
-
£1,317 GBP
View
Price last confirmed 30 days ago
Most Expensive
MOH London
LG447089154 · Oct 12
£1,524 GBP
View
Price last confirmed 25 days ago
10 more retailers have this diamond
Prices start from £655 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
2.51ct Round
£655 GBP