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Marquise|Lab Grown|IGI

3.03ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG804661251

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804661251

Diamond specifications and retailer prices

From £2,499 GBP
$3,348 USD
As of October 31, 2026
Save £10,022 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £12,521 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804661251 or 804661251. Listed at 11 retailers as of October 30, 2026, with prices from £2,499 to £12,521, a £10,022 spread on the same certified stone. Taylor and Hart lists it at £12,521. 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

3.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804661251
Dimensions14.89 × 7.64 × 4.71 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.89 mm7.64 mm3.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804661251
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.6%

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 31
Current: £4,633 GBP|Low: £2,499 GBP|High: £12,521 GBP|Avg: £6,283 GBP|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 6£2,499 GBP
Retailer 8£3,067 GBP
Retailer 11£4,452 GBP
Retailer 1£4,633 GBP
Retailer 7£5,370 GBP
Retailer 10£5,407 GBP
Retailer 4£5,765 GBP
Retailer 3£6,640 GBP
Retailer 5£7,591 GBP
Retailer 2£8,172 GBP
Retailer 9£9,453 GBP
Taylor and Hart£12,521 GBP

40 data points across 12 retailers

11 retailers£2,499 GBP to £12,521 GBP

A
Cheapest Retailer
-
£2,499 GBP
$3,348 USD
A
Retailer 2
-
£3,067 GBP
$4,110 USD
View
B+
Retailer 3
-
£4,452 GBP
HK$46,600 HKD
View
A
Retailer 4
-
£4,633 GBP
View
B+
Retailer 5
-
£5,370 GBP
$7,195 USD
View
B+
Retailer 6
-
£5,407 GBP
$7,245 USD
View
B+
Retailer 7
-
£5,765 GBP
€7,357 EUR
View
B+
Retailer 8
-
£7,591 GBP
View
B
Retailer 9
-
£8,172 GBP
$10,950 USD
View
B
Retailer 10
-
£9,453 GBP
$12,665 USD
View
Most Expensive
B
Taylor and Hart
JIVUUJU · Oct 30
£12,521 GBP
$16,776 USD
View
10 more retailers have this diamond
Prices start from £2,499 GBPSave up to £10,022 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
3.03ct Marquise
£2,499 GBP