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Marquise|Lab Grown|IGI

3.05ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG755512184

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG755512184

Diamond specifications and retailer prices

From £6,501 GBP
$8,710 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £6,501 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG755512184 or 755512184. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755512184
Dimensions15.22 × 7.44 × 4.75 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
Top View
15.22 mm7.44 mm3.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755512184
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £6,501 GBP|Low: £1,522 GBP|High: £8,150 GBP|Avg: £4,431 GBP|+0.9%
Brilliant Earth
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June 13, 2026
Retailer 2£1,522 GBP
Retailer 10£1,631 GBP
Retailer 11£2,417 GBP
Retailer 8£2,636 GBP
Retailer 6£2,722 GBP
Retailer 3£2,994 GBP
Retailer 4£3,182 GBP
Retailer 5£3,253 GBP
Retailer 7£3,925 GBP
Retailer 12£4,621 GBP
Retailer 9£5,445 GBP
Retailer 15£6,072 GBP
Retailer 13£6,395 GBP
Brilliant Earth£6,501 GBP
Retailer 14£7,012 GBP

54 data points across 15 retailers

1 retailer

B
Brilliant Earth
17323219A · Oct 30
£6,501 GBP
$8,710 USD
View

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.

B
3.05ct Marquise
£6,501 GBP