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Marquise|Lab Grown|IGI

3.05ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG847659350

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847659350

Diamond specifications and retailer prices

From £411 GBP
As of November 5, 2026
Save £2,242 GBP (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,652 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847659350 or 847659350. Listed at 12 retailers as of November 4, 2026, with prices from £411 to £2,652, a £2,242 spread on the same certified stone. Brilliant Earth lists it at £2,652. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847659350
Dimensions14.57 × 7.55 × 4.78 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.57 mm7.55 mm3.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847659350
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.3%

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 5
Current: £2,652 GBP|Low: £411 GBP|High: £2,652 GBP|Avg: £1,122 GBP|+2.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2£411 GBP
Retailer 6£484 GBP
Retailer 7£513 GBP
Retailer 10£587 GBP
Retailer 12£666 GBP
Retailer 5£898 GBP
Retailer 11£912 GBP
Retailer 8£999 GBP
Retailer 4£1,521 GBP
Retailer 9£1,569 GBP
Retailer 3£1,904 GBP
Brilliant Earth£2,652 GBP

12 data points across 12 retailers

12 retailers£411 GBP to £2,652 GBP

A
Cheapest Retailer
-
£411 GBP
Final sale: no returns
A
Retailer 2
-
£484 GBP
View
A
Retailer 3
-
£513 GBP
View
B+
Retailer 4
-
£587 GBP
View
Retailer 5
-
£666 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£898 GBP
View
A
Retailer 7
-
£912 GBP
View
B+
Retailer 8
-
£999 GBP
View
B+
Retailer 9
-
£1,521 GBP
View
Retailer 10
-
£1,569 GBP
View
Price last confirmed 7 days ago
B
Retailer 11
-
£1,904 GBP
View
Most Expensive
B
Brilliant Earth
22261199A · Nov 4
£2,652 GBP
$3,570 USD
View
11 more retailers have this diamond
Prices start from £411 GBPSave up to £2,242 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
£411 GBP