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Oval|Lab Grown|IGI

2.50ct I VS1 Oval Lab Grown Diamond

ID • I/VS1 • IGI LG843641873

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG843641873

Diamond specifications and retailer prices

From £800 GBP
$1,066 USD
As of October 29, 2026
Save £2,442 GBP (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,242 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 2.5ct lab-grown oval diamond

This 2.5ct lab-grown oval sits in the two to three carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843641873 or 843641873. Listed at 16 retailers as of October 29, 2026, with prices from £800 to £3,242, a £2,442 spread on the same certified stone. Taylor and Hart lists it at £3,242. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843641873
Dimensions12.55 × 6.90 × 4.26 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm6.90 mm2.50 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843641873
Side View
Table 65.0%Crown 34.4°Girdle: THK-VTKPavilion 42.2°Culet: LargeDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £872 GBP|Low: £794 GBP|High: £3,538 GBP|Avg: £1,736 GBP|-7.7%
Retailer 1
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
Retailer 16
Taylor and Hart
October 29, 2026
Retailer 9£800 GBP
Retailer 1£872 GBP
Retailer 14£928 GBP
Retailer 6£948 GBP
Retailer 7£1,011 GBP
Retailer 11£1,059 GBP
Retailer 2£1,210 GBP
Retailer 8£1,240 GBP
Retailer 5£1,343 GBP
Retailer 15£1,446 GBP
Retailer 4£1,894 GBP
Retailer 3£1,991 GBP
Retailer 16£1,997 GBP
Retailer 10£2,395 GBP
Retailer 12£2,563 GBP
Retailer 13£3,165 GBP
Taylor and Hart£3,242 GBP

20 data points across 17 retailers

16 retailers£800 GBP to £3,242 GBP

B+
Cheapest Retailer
-
£800 GBP
$1,066 USD
B+
Retailer 2
-
£872 GBP
$1,161 USD
View
B+
Retailer 3
-
£928 GBP
$1,236 USD
View
B+
Retailer 4
-
£948 GBP
$1,262 USD
View
Retailer 5
-
£1,011 GBP
$1,346 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£1,059 GBP
$1,410 USD
View
B
Retailer 7
-
£1,210 GBP
$1,612 USD
View
B
Retailer 8
-
£1,240 GBP
$1,651 USD
View
B
Retailer 9
-
£1,446 GBP
$1,925 USD
View
B
Retailer 10
-
£1,894 GBP
$2,522 USD
View
B
Retailer 11
-
£1,991 GBP
$2,651 USD
View
B
Retailer 12
-
£1,997 GBP
$2,660 USD
View
B
Retailer 13
-
£2,395 GBP
ZAR 51,523 ZAR
View
B
Retailer 14
-
£2,563 GBP
View
B
Retailer 15
-
£3,165 GBP
View
Most Expensive
B
Taylor and Hart
32SPMD9 · Oct 30
£3,242 GBP
$4,318 USD
View
15 more retailers have this diamond
Prices start from £800 GBPSave up to £2,442 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 Oval
£800 GBP