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Marquise|Lab Grown|IGI

3.01ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG850687166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850687166

Diamond specifications and retailer prices

From £491 GBP
As of November 4, 2026
Save £3,016 GBP (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,507 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.01ct lab-grown marquise diamond

This 3.01ct 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 LG850687166 or 850687166. Listed at 12 retailers as of November 4, 2026, with prices from £491 to £3,507, a £3,016 spread on the same certified stone. Brilliant Earth lists it at £3,507. 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

3.01
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850687166
Dimensions15.83 × 7.63 × 4.56 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.83 mm7.63 mm3.01 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850687166
Side View
Table 57.0%Crown 32.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.8%

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: £704 GBP|Low: £491 GBP|High: £1,616 GBP|Avg: £1,005 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
November 5, 2026
Retailer 4£491 GBP
Retailer 10£539 GBP
Retailer 3£580 GBP
Retailer 1£704 GBP
Retailer 8£880 GBP
Retailer 9£912 GBP
Retailer 6£986 GBP
Retailer 2£1,410 GBP
Retailer 7£1,572 GBP
Retailer 5£1,586 GBP
Retailer 11£1,616 GBP

9 data points across 11 retailers

12 retailers£491 GBP to £3,507 GBP

A
Cheapest Retailer
-
£491 GBP
A
Retailer 2
-
£539 GBP
View
B+
Retailer 3
-
£580 GBP
View
A
Retailer 4
-
£704 GBP
View
A
Retailer 5
-
£880 GBP
View
A
Retailer 6
-
£912 GBP
View
B+
Retailer 7
-
£986 GBP
View
B+
Retailer 8
-
£1,410 GBP
View
B+
Retailer 9
-
£1,572 GBP
View
B+
Retailer 10
-
£1,586 GBP
View
B+
Retailer 11
-
£1,616 GBP
View
Most Expensive
B
Brilliant Earth
22402619A · Nov 4
£3,507 GBP
$4,720 USD
View
11 more retailers have this diamond
Prices start from £491 GBPSave up to £3,016 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
3.01ct Marquise
£491 GBP