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Marquise|Lab Grown|IGI

3.05ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG854616891

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG854616891

Diamond specifications and retailer prices

From £466 GBP
As of November 4, 2026
Save £2,632 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,098 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG854616891 or 854616891. Listed at 14 retailers as of November 4, 2026, with prices from £466 to £3,098, a £2,632 spread on the same certified stone. Brilliant Earth lists it at £3,098. 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

3.05
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG854616891
Dimensions15.50 × 7.63 × 4.57 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.50 mm7.63 mm3.05 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG854616891
Side View
Table 61.0%Crown 31.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.9%

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 4
Current: £1,035 GBP|Low: £466 GBP|High: £2,034 GBP|Avg: £1,059 GBP
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
November 5, 2026
Retailer 2£466 GBP
Retailer 3£489 GBP
Retailer 8£529 GBP
Retailer 10£591 GBP
Retailer 9£661 GBP
Retailer 7£746 GBP
Retailer 1£1,035 GBP
Retailer 12£1,262 GBP
Retailer 11£1,292 GBP
Retailer 13£1,588 GBP
Retailer 4£1,620 GBP
Retailer 5£1,691 GBP
Retailer 6£2,034 GBP

3 data points across 13 retailers

14 retailers£466 GBP to £3,098 GBP

A
Cheapest Retailer
-
£466 GBP
Final sale: no returns
A
Retailer 2
-
£489 GBP
View
A
Retailer 3
-
£529 GBP
View
A
Retailer 4
-
£591 GBP
View
B+
Retailer 5
-
£661 GBP
View
A
Retailer 6
-
£746 GBP
View
B+
Retailer 7
-
£1,035 GBP
View
B+
Retailer 8
-
£1,262 GBP
View
B+
Retailer 9
-
£1,292 GBP
View
B+
Retailer 10
-
£1,588 GBP
View
B+
Retailer 11
-
£1,620 GBP
View
B
Retailer 12
-
£1,691 GBP
View
B
Retailer 13
-
£2,034 GBP
View
Most Expensive
B
Brilliant Earth
22480897A · Nov 4
£3,098 GBP
$4,170 USD
View
13 more retailers have this diamond
Prices start from £466 GBPSave up to £2,632 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
3.05ct Marquise
£466 GBP