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Marquise|Lab Grown|IGI

3.09ct H VVS2 Marquise Lab Grown Diamond

EX • H/VVS2 • IGI LG840620912

Shape and cutting style on the report: Modified marquise step cut

Certificate IGI LG840620912

Diamond specifications and retailer prices

From £724 GBP
€925 EUR
As of October 27, 2026
Save £2,600 GBP (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,324 GBP at Brilliant Earth · As of November 2, 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 H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840620912 or 840620912. Listed at 6 retailers as of October 27, 2026, with prices from £724 to £3,324, a £2,600 spread on the same certified stone. Brilliant Earth lists it at £3,324. 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
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840620912
Dimensions13.76 × 7.02 × 4.42 mm
L/W Ratio1.96
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.76 mm7.02 mm3.09 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840620912
Side View
Table 57.0%Crown 37.6°Girdle: Slightly ThickPavilion 40.8°CuletDepth 63.0%

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: Oct 27
Current: £2,079 GBP|Low: £722 GBP|High: £2,104 GBP|Avg: £1,357 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3£724 GBP
Retailer 2£1,101 GBP
Retailer 4£1,696 GBP
Retailer 1£2,079 GBP

12 data points across 4 retailers

6 retailers£724 GBP to £3,324 GBP

A
Cheapest Retailer
-
£724 GBP
€925 EUR
B+
Retailer 2
-
£1,101 GBP
$1,478 USD
View
B+
Retailer 3
-
£1,696 GBP
$2,275 USD
View
B+
Retailer 4
-
£2,079 GBP
View
Retailer 5
-
£2,742 GBP
$3,680 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
22173706A · Nov 2
£3,324 GBP
$4,460 USD
View
5 more retailers have this diamond
Prices start from £724 GBPSave up to £2,600 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
£724 GBP