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Marquise|Lab Grown|IGI

2.55ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG830633149

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830633149

Diamond specifications and retailer prices

From £622 GBP
$835 USD
As of November 1, 2026
Save £1,949 GBP (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,571 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.55ct lab-grown marquise diamond

This 2.55ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830633149 or 830633149. Listed at 12 retailers as of November 1, 2026, with prices from £622 to £2,571, a £1,949 spread on the same certified stone. Brilliant Earth lists it at £2,571. 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

2.55
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830633149
Dimensions14.69 × 7.26 × 4.21 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.69 mm7.26 mm2.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830633149
Side View
Table 60.0%Crown 31.7°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 58.0%

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 1
Current: £2,571 GBP|Low: £622 GBP|High: £2,571 GBP|Avg: £1,288 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8£622 GBP
Retailer 6£707 GBP
Retailer 9£716 GBP
Retailer 2£765 GBP
Retailer 11£955 GBP
Retailer 3£1,488 GBP
Retailer 10£1,509 GBP
Retailer 5£1,673 GBP
Retailer 4£1,934 GBP
Retailer 7£2,258 GBP
Brilliant Earth£2,571 GBP

43 data points across 11 retailers

12 retailers£622 GBP to £2,571 GBP

A
Cheapest Retailer
-
£622 GBP
$835 USD
A
Retailer 2
-
£707 GBP
€904 EUR
View
A
Retailer 3
-
£716 GBP
$961 USD
View
A
Retailer 4
-
£765 GBP
View
B+
Retailer 5
-
£955 GBP
$1,281 USD
View
B+
Retailer 6
-
£1,509 GBP
$2,025 USD
View
B+
Retailer 7
-
£1,519 GBP
$2,038 USD
View
B+
Retailer 8
-
£1,673 GBP
A$3,454 AUD
View
B
Retailer 9
-
£1,934 GBP
View
Retailer 10
-
£2,198 GBP
$2,950 USD
View
Price last confirmed 19 days ago
B
Retailer 11
-
£2,258 GBP
$3,030 USD
View
Most Expensive
B
Brilliant Earth
22199849A · Nov 2
£2,571 GBP
$3,450 USD
View
11 more retailers have this diamond
Prices start from £622 GBPSave up to £1,949 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
2.55ct Marquise
£622 GBP