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Marquise|Lab Grown|IGI

2.50ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG843608908

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843608908

Diamond specifications and retailer prices

From £513 GBP
€656 EUR
As of October 27, 2026
Save £500 GBP (49%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,405 GBP at Rare Carat · As of October 25, 2026
View at Rare Carat

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 LG843608908 or 843608908. Listed at 7 retailers as of October 27, 2026, with a 97% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843608908
Dimensions14.79 × 6.95 × 4.17 mm
L/W Ratio2.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.79 mm6.95 mm2.50 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843608908
Side View
Table 62.0%Crown 33°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 60.0%

Caratlytics Score

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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: Oct 27
Current: £1,405 GBP|Low: £493 GBP|High: £1,405 GBP|Avg: £766 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 7£493 GBP
Retailer 2£513 GBP
Retailer 3£542 GBP
Retailer 5£648 GBP
Retailer 6£1,013 GBP
Retailer 4£1,224 GBP
Rare Carat£1,405 GBP

12 data points across 7 retailers

7 retailers£513 GBP to £1,013 GBP

Retailer 1
-
£493 GBP
$662 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£513 GBP
€656 EUR
View
Retailer 3
-
£542 GBP
View
Price last confirmed 7 days ago
A
Retailer 4
-
£648 GBP
$870 USD
View
B+
Retailer 5
-
£1,013 GBP
$1,359 USD
View
Retailer 6
-
£1,224 GBP
View
Price last confirmed 7 days ago
Most Expensive
Rare Carat
21R843608908 · Oct 25
£1,405 GBP
$1,885 USD
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from £513 GBPSave up to £500 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
£513 GBP