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Marquise|Lab Grown|IGI

2.50ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG850697810

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850697810

Diamond specifications and retailer prices

From £253 GBP
$340 USD
As of November 2, 2026
Save £1,004 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,258 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 2.5ct lab-grown marquise diamond

This 2.5ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850697810 or 850697810. Listed at 15 retailers as of November 2, 2026, with prices from £253 to £1,258, a £1,004 spread on the same certified stone. MOH London lists it at £1,258. 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
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850697810
Dimensions14.98 × 6.82 × 4.25 mm
L/W Ratio2.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.98 mm6.82 mm2.50 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850697810
Side View
Table 58.0%Crown 37.5°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,258 GBP|Low: £253 GBP|High: £1,258 GBP|Avg: £679 GBP
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
November 2, 2026
Retailer 9£253 GBP
Retailer 13£282 GBP
Retailer 12£294 GBP
Retailer 4£314 GBP
Retailer 8£349 GBP
Retailer 15£428 GBP
Retailer 14£506 GBP
Retailer 10£563 GBP
Retailer 3£590 GBP
Retailer 11£651 GBP
Retailer 2£920 GBP
Retailer 5£1,009 GBP
Retailer 7£1,041 GBP
Retailer 6£1,186 GBP
MOH London£1,258 GBP

3 data points across 15 retailers

15 retailers£253 GBP to £1,258 GBP

A
Cheapest Retailer
-
£253 GBP
$340 USD
A
Retailer 2
-
£282 GBP
$379 USD
View
Final sale: no returns
A
Retailer 3
-
£294 GBP
$394 USD
View
A
Retailer 4
-
£314 GBP
$421 USD
View
A
Retailer 5
-
£349 GBP
View
A
Retailer 6
-
£428 GBP
$575 USD
View
B+
Retailer 7
-
£506 GBP
$679 USD
View
A
Retailer 8
-
£563 GBP
View
A
Retailer 9
-
£590 GBP
$792 USD
View
A
Retailer 10
-
£651 GBP
$873 USD
View
B+
Retailer 11
-
£920 GBP
$1,235 USD
View
B+
Retailer 12
-
£1,009 GBP
$1,354 USD
View
B+
Retailer 13
-
£1,041 GBP
$1,397 USD
View
B+
Retailer 14
-
£1,186 GBP
$1,591 USD
View
Most Expensive
B
MOH London
LG850697810 · Nov 3
£1,258 GBP
View
14 more retailers have this diamond
Prices start from £253 GBPSave up to £1,004 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 Marquise
£253 GBP