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Marquise|Lab Grown|IGI

3.01ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG720516346

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG720516346

Diamond specifications and retailer prices

From £504 GBP
As of November 6, 2026
Save £1,924 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,428 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG720516346 or 720516346. Listed at 14 retailers as of November 6, 2026, with prices from £504 to £2,428, a £1,924 spread on the same certified stone. Do Amore Diamonds lists it at £2,428. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720516346
Dimensions15.40 × 7.53 × 4.45 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.. Type IIa. Indications of post-growth treatment.
Top View
15.40 mm7.53 mm3.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720516346
Side View
Table 61.0%Crown 34.5°Girdle: ThickPavilion 37.9°Culet: NoneDepth 59.1%

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 6
Current: £2,428 GBP|Low: £318 GBP|High: £2,428 GBP|Avg: £1,186 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 13£504 GBP
Retailer 15£524 GBP
Retailer 8£532 GBP
Retailer 6£592 GBP
Retailer 14£675 GBP
Retailer 2£711 GBP
Retailer 9£963 GBP
Retailer 12£1,213 GBP
Retailer 5£1,376 GBP
Retailer 7£1,511 GBP
Retailer 3£1,524 GBP
Retailer 11£1,601 GBP
Retailer 10£1,752 GBP
Retailer 4£2,055 GBP
Do Amore Diamonds£2,428 GBP

10 data points across 15 retailers

14 retailers£504 GBP to £2,428 GBP

A
Cheapest Retailer
-
£504 GBP
B+
Retailer 2
-
£524 GBP
View
A
Retailer 3
-
£532 GBP
View
A
Retailer 4
-
£592 GBP
View
A
Retailer 5
-
£675 GBP
View
A
Retailer 6
-
£711 GBP
View
B+
Retailer 7
-
£963 GBP
View
B+
Retailer 8
-
£1,213 GBP
View
B
Retailer 9
-
£1,511 GBP
View
Retailer 10
-
£1,524 GBP
View
Price last confirmed 9 days ago
B
Retailer 11
-
£1,601 GBP
View
B
Retailer 12
-
£1,752 GBP
View
B
Retailer 13
-
£2,055 GBP
View
Most Expensive
B
Do Amore Diamonds
25-479102-023 · Nov 6
£2,428 GBP
$3,250 USD
View
13 more retailers have this diamond
Prices start from £504 GBPSave up to £1,924 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
£504 GBP