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Marquise|Lab Grown|IGI

3.09ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • IGI LG843645085

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843645085

Diamond specifications and retailer prices

From £429 GBP
As of November 4, 2026
Save £1,878 GBP (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,158 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843645085 or 843645085. Listed at 24 retailers as of November 4, 2026, with a 437% 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

3.09
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843645085
Dimensions15.35 × 7.49 × 4.73 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.35 mm7.49 mm3.09 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843645085
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 63.2%

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: £3,158 GBP|Low: £429 GBP|High: £3,329 GBP|Avg: £1,215 GBP|-5.1%
Brilliant Earth
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November 5, 2026
Retailer 7£429 GBP
Retailer 11£481 GBP
Retailer 24£481 GBP
Retailer 3£533 GBP
Retailer 5£533 GBP
Retailer 6£632 GBP
Retailer 16£710 GBP
Retailer 23£768 GBP
Retailer 10£794 GBP
Retailer 18£824 GBP
Retailer 4£1,083 GBP
Retailer 21£1,119 GBP
Retailer 2£1,128 GBP
Retailer 19£1,156 GBP
Retailer 15£1,181 GBP
Retailer 9£1,401 GBP
Retailer 14£1,716 GBP
Retailer 8£1,725 GBP
Retailer 17£1,745 GBP
Retailer 12£1,784 GBP
Retailer 20£1,938 GBP
Retailer 13£2,307 GBP
Retailer 22£2,337 GBP
Brilliant Earth£3,158 GBP

25 data points across 24 retailers

24 retailers£429 GBP to £2,307 GBP

A
Cheapest Retailer
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£429 GBP
A
Retailer 2
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£481 GBP
View
Final sale: no returns
A
Retailer 3
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£481 GBP
View
A
Retailer 4
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£533 GBP
View
Retailer 5
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£533 GBP
View
Price last confirmed 20 days ago
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Retailer 6
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£632 GBP
View
A
Retailer 7
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£710 GBP
View
Retailer 8
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£768 GBP
View
Price last confirmed 10 days ago
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Retailer 9
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£794 GBP
View
A
Retailer 10
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£824 GBP
View
A
Retailer 11
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£1,083 GBP
View
A
Retailer 12
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£1,119 GBP
View
A
Retailer 13
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£1,128 GBP
View
A
Retailer 14
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£1,156 GBP
View
B+
Retailer 15
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£1,181 GBP
View
B+
Retailer 16
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£1,401 GBP
View
B+
Retailer 17
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£1,716 GBP
View
B+
Retailer 18
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£1,725 GBP
View
B+
Retailer 19
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£1,745 GBP
View
B+
Retailer 20
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£1,784 GBP
View
B
Retailer 21
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£1,938 GBP
View
B
Retailer 22
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£2,307 GBP
View
Retailer 23
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£2,337 GBP
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
22174954A · Oct 22
£3,158 GBP
$4,250 USD
View
Price last confirmed 14 days ago
23 more retailers have this diamond
Prices start from £429 GBPSave up to £1,878 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
3.09ct Marquise
£429 GBP