CaratHunter
Plans
Marquise|Lab Grown|IGI

3.04ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG842640373

Certificate IGI LG842640373

Diamond specifications and retailer prices

From £3,176 GBP
$4,230 USD
As of October 26, 2026
Save £2,718 GBP (46%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,895 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.04ct lab-grown marquise diamond

This 3.04ct 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 LG842640373 or 842640373. Listed at 4 retailers as of October 26, 2026, with prices from £3,176 to £5,895, a £2,718 spread on the same certified stone. Brilliant Earth lists it at £5,895. 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

3.04
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG842640373
Dimensions14.18 × 7.45 × 4.75 mm
L/W Ratio1.90
Top View
14.18 mm7.45 mm3.04 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842640373
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.8%

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 26
Current: £5,895 GBP|Low: £3,176 GBP|High: £5,895 GBP|Avg: £4,347 GBP|+1.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 27, 2026
Retailer 4£3,176 GBP
Retailer 2£3,687 GBP
Retailer 3£5,645 GBP
Brilliant Earth£5,895 GBP

10 data points across 4 retailers

4 retailers£3,176 GBP to £5,895 GBP

A
Cheapest Retailer
-
£3,176 GBP
$4,230 USD
A
Retailer 2
-
£3,687 GBP
€4,676 EUR
View
B+
Retailer 3
-
£5,645 GBP
$7,518 USD
View
Most Expensive
B
Brilliant Earth
21836922A · Oct 28
£5,895 GBP
$7,850 USD
View
3 more retailers have this diamond
Prices start from £3,176 GBPSave up to £2,718 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
3.04ct Marquise
£3,176 GBP