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Marquise|Lab Grown|IGI

3.03ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG754509108

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754509108

Diamond specifications and retailer prices

From £2,629 GBP
$3,523 USD
As of October 31, 2026
Save £10,940 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £13,570 GBP at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754509108 or 754509108. Listed at 14 retailers as of October 31, 2026, with prices from £2,629 to £13,570, a £10,940 spread on the same certified stone. Michael Trio lists it at £13,570. 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
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754509108
Dimensions14.57 × 7.49 × 4.73 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
14.57 mm7.49 mm3.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754509108
Side View
Table 58.0%Crown 37.6°Girdle: MED-THKPavilion 39.3°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: Oct 31
Current: £13,570 GBP|Low: £2,629 GBP|High: £16,252 GBP|Avg: £7,597 GBP|-16.5%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 11£2,629 GBP
Retailer 13£3,164 GBP
Retailer 4£4,691 GBP
Retailer 2£4,793 GBP
Retailer 12£5,549 GBP
Retailer 3£5,691 GBP
Retailer 9£6,069 GBP
Retailer 7£6,284 GBP
Retailer 10£7,704 GBP
Retailer 5£8,499 GBP
Retailer 8£8,593 GBP
Retailer 14£9,950 GBP
Retailer 6£13,182 GBP
Michael Trio£13,570 GBP

40 data points across 14 retailers

14 retailers£2,629 GBP to £13,570 GBP

A
Cheapest Retailer
-
£2,629 GBP
$3,523 USD
A
Retailer 2
-
£3,164 GBP
$4,239 USD
View
B+
Retailer 3
-
£4,691 GBP
HK$49,100 HKD
View
B+
Retailer 4
-
£4,793 GBP
View
B+
Retailer 5
-
£5,549 GBP
$7,435 USD
View
B+
Retailer 6
-
£5,691 GBP
$7,625 USD
View
B+
Retailer 7
-
£6,069 GBP
€7,745 EUR
View
B+
Retailer 8
-
£6,284 GBP
$8,420 USD
View
B+
Retailer 9
-
£7,704 GBP
View
B
Retailer 10
-
£8,499 GBP
$11,388 USD
View
B+
Retailer 11
-
£8,593 GBP
ZAR 185,999 ZAR
View
Retailer 12
-
£9,950 GBP
$13,332 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
£13,182 GBP
$17,662 USD
View
Most Expensive
B
Michael Trio
1761542764 · Oct 31
£13,570 GBP
SGD 24,570 SGD
View
13 more retailers have this diamond
Prices start from £2,629 GBPSave up to £10,940 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
£2,629 GBP