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Round|Lab Grown|IGI

2.51ct K VVS2 Round Lab Grown Diamond

ID • K/VVS2 • IGI LG499189081

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499189081

Diamond specifications and retailer prices

From £4,176 GBP
As of November 5, 2026
Save £8,360 GBP (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £12,535 GBP at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG499189081 or 499189081. Listed at 10 retailers as of November 3, 2026, with prices from £4,176 to £12,535, a £8,360 spread on the same certified stone. Cape Diamonds lists it at £12,535. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499189081
Dimensions8.89 × 8.86 × 5.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.89 mm8.86 mm2.51 ctK / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499189081
Side View
Table 57.5%Crown 33.1°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 59.0%

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: Nov 5
Current: £12,535 GBP|Low: £4,009 GBP|High: £13,074 GBP|Avg: £6,814 GBP|-4.1%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 7£4,176 GBP
Retailer 10£4,376 GBP
Retailer 3£4,653 GBP
Retailer 5£4,844 GBP
Retailer 8£4,844 GBP
Retailer 12£5,155 GBP
Retailer 11£5,750 GBP
Retailer 6£5,965 GBP
Retailer 9£7,479 GBP
Retailer 2£9,830 GBP
Retailer 4£11,161 GBP
Cape Diamonds£12,535 GBP

26 data points across 12 retailers

10 retailers£4,176 GBP to £12,535 GBP

B
Cheapest Retailer
-
£4,176 GBP
B
Retailer 2
-
£4,376 GBP
View
B
Retailer 3
-
£4,844 GBP
View
Retailer 4
-
£4,844 GBP
View
Price last confirmed 25 days ago
B
Retailer 5
-
£4,844 GBP
View
B
Retailer 6
-
£5,750 GBP
View
B
Retailer 7
-
£5,965 GBP
View
B
Retailer 8
-
£7,479 GBP
View
B
Retailer 9
-
£9,830 GBP
View
Most Expensive
B
Cape Diamonds
cert_499189081 · Nov 3
£12,535 GBP
ZAR 272,563 ZAR
View
9 more retailers have this diamond
Prices start from £4,176 GBPSave up to £8,360 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
2.51ct Round
£4,176 GBP