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Marquise|Lab Grown|IGI

3.01ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG850607412

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850607412

Diamond specifications and retailer prices

From £283 GBP
As of November 4, 2026
Save £2,302 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,585 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850607412 or 850607412. Listed at 20 retailers as of November 4, 2026, with prices from £283 to £2,585, a £2,302 spread on the same certified stone. Brilliant Earth lists it at £2,585. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850607412
Dimensions14.90 × 7.48 × 4.78 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.90 mm7.48 mm3.01 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850607412
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.9%

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: £628 GBP|Low: £283 GBP|High: £2,542 GBP|Avg: £858 GBP|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
November 5, 2026
Retailer 18£283 GBP
Retailer 16£317 GBP
Retailer 2£351 GBP
Retailer 5£388 GBP
Retailer 13£390 GBP
Retailer 3£463 GBP
Retailer 9£470 GBP
Retailer 1£628 GBP
Retailer 4£632 GBP
Retailer 14£747 GBP
Retailer 19£752 GBP
Retailer 15£764 GBP
Retailer 17£984 GBP
Retailer 6£1,127 GBP
Retailer 11£1,137 GBP
Retailer 8£1,156 GBP
Retailer 7£1,314 GBP
Retailer 12£1,367 GBP
Retailer 10£2,542 GBP

9 data points across 19 retailers

20 retailers£283 GBP to £2,585 GBP

A
Cheapest Retailer
-
£283 GBP
A
Retailer 2
-
£317 GBP
View
A
Retailer 3
-
£351 GBP
View
A
Retailer 4
-
£388 GBP
View
A
Retailer 5
-
£390 GBP
View
A
Retailer 6
-
£463 GBP
View
B+
Retailer 7
-
£470 GBP
View
A
Retailer 8
-
£628 GBP
View
A
Retailer 9
-
£632 GBP
View
A
Retailer 10
-
£747 GBP
View
A
Retailer 11
-
£752 GBP
View
A
Retailer 12
-
£764 GBP
View
B+
Retailer 13
-
£984 GBP
View
B+
Retailer 14
-
£1,127 GBP
View
B+
Retailer 15
-
£1,137 GBP
View
B+
Retailer 16
-
£1,156 GBP
View
B+
Retailer 17
-
£1,314 GBP
View
B+
Retailer 18
-
£1,367 GBP
View
B
Retailer 19
-
£2,542 GBP
View
Most Expensive
B
Brilliant Earth
22402211A · Nov 4
£2,585 GBP
$3,490 USD
View
19 more retailers have this diamond
Prices start from £283 GBPSave up to £2,302 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
£283 GBP