Marquise|Lab Grown|IGI

3.01ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG828618725

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828618725

Diamond specifications and retailer prices

From £306 GBP
As of November 4, 2026
Save £1,143 GBP (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,096 GBP at Brilliant Earth · As of October 26, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828618725 or 828618725. Listed at 23 retailers as of November 3, 2026, with a 374% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828618725
Dimensions15.31 × 7.59 × 4.50 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
15.31 mm7.59 mm3.01 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828618725
Side View
Table 65.0%Crown 35.9°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 59.3%

Caratlytics Score

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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 4
Current: £2,096 GBP|Low: £306 GBP|High: £2,096 GBP|Avg: £941 GBP
Brilliant Earth
Retailer 2
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Retailer 19
November 5, 2026
Retailer 15£306 GBP
Retailer 5£370 GBP
Retailer 14£376 GBP
Retailer 13£448 GBP
Retailer 9£533 GBP
Retailer 17£541 GBP
Retailer 2£605 GBP
Retailer 16£721 GBP
Retailer 10£747 GBP
Retailer 8£761 GBP
Retailer 4£860 GBP
Retailer 6£1,081 GBP
Retailer 3£1,118 GBP
Retailer 19£1,279 GBP
Retailer 18£1,283 GBP
Retailer 12£1,319 GBP
Retailer 7£1,449 GBP
Retailer 11£1,600 GBP
Brilliant Earth£2,096 GBP

28 data points across 19 retailers

23 retailers£306 GBP to £1,449 GBP

Retailer 1
-
£283 GBP
Price last confirmed 19 days ago
A
Retailer 2
-
£306 GBP
View
Final sale: no returns
Retailer 3
-
£317 GBP
View
Price last confirmed 21 days ago
Retailer 4
-
£351 GBP
View
Price last confirmed 26 days ago
A
Retailer 5
-
£370 GBP
View
A
Retailer 6
-
£376 GBP
View
A
Retailer 7
-
£448 GBP
View
Retailer 8
-
£533 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£541 GBP
View
A
Retailer 10
-
£605 GBP
View
A
Retailer 11
-
£721 GBP
View
Retailer 12
-
£747 GBP
View
Price last confirmed 12 days ago
A
Retailer 13
-
£761 GBP
View
A
Retailer 14
-
£860 GBP
View
B+
Retailer 15
-
£1,081 GBP
View
B+
Retailer 16
-
£1,118 GBP
View
Retailer 17
-
£1,129 GBP
View
Price last confirmed 20 days ago
B+
Retailer 18
-
£1,279 GBP
View
B+
Retailer 19
-
£1,283 GBP
View
B+
Retailer 20
-
£1,319 GBP
View
B+
Retailer 21
-
£1,449 GBP
View
Retailer 22
-
£1,600 GBP
View
Price last confirmed 18 days ago
Most Expensive
Brilliant Earth
21003220A · Oct 26
£2,096 GBP
$2,830 USD
View
Price last confirmed 9 days ago
22 more retailers have this diamond
Prices start from £306 GBPSave up to £1,143 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
£306 GBP