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Marquise|Lab Grown|IGI

2.58ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG840607374

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840607374

Diamond specifications and retailer prices

From £314 GBP
$421 USD
As of November 2, 2026
Save £1,441 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,755 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 2.58ct lab-grown marquise diamond

This 2.58ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840607374 or 840607374. Listed at 13 retailers as of November 2, 2026, with prices from £314 to £1,755, a £1,441 spread on the same certified stone. With Clarity lists it at £1,755. 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

2.58
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840607374
Dimensions13.58 × 7.18 × 4.64 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.58 mm7.18 mm2.58 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840607374
Side View
Table 57.0%Crown 37.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.6%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £434 GBP|Low: £302 GBP|High: £1,755 GBP|Avg: £1,011 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 2, 2026
Retailer 11£314 GBP
Retailer 8£352 GBP
Retailer 1£434 GBP
Retailer 7£621 GBP
Retailer 2£658 GBP
Retailer 6£866 GBP
Retailer 10£1,094 GBP
Retailer 9£1,097 GBP
Retailer 12£1,254 GBP
Retailer 4£1,361 GBP
Retailer 5£1,432 GBP
Retailer 3£1,562 GBP
With Clarity£1,755 GBP

29 data points across 13 retailers

13 retailers£314 GBP to £1,755 GBP

A
Cheapest Retailer
-
£314 GBP
$421 USD
A
Retailer 2
-
£352 GBP
$472 USD
View
A
Retailer 3
-
£434 GBP
View
Retailer 4
-
£621 GBP
€793 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
£658 GBP
$881 USD
View
A
Retailer 6
-
£866 GBP
A$1,785 AUD
View
B+
Retailer 7
-
£1,094 GBP
$1,466 USD
View
B+
Retailer 8
-
£1,097 GBP
$1,470 USD
View
B+
Retailer 9
-
£1,254 GBP
$1,680 USD
View
B+
Retailer 10
-
£1,361 GBP
$1,824 USD
View
B+
Retailer 11
-
£1,432 GBP
View
Retailer 12
-
£1,562 GBP
SGD 2,829 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
With Clarity
840607374 · Nov 2
£1,755 GBP
$2,352 USD
View
12 more retailers have this diamond
Prices start from £314 GBPSave up to £1,441 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
2.58ct Marquise
£314 GBP