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Marquise|Lab Grown|IGI

3.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG834612715

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG834612715

Diamond specifications and retailer prices

From £2,010 GBP
As of October 30, 2026
Save £2,971 GBP (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £7,243 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG834612715 or 834612715. Listed at 7 retailers as of October 30, 2026, with a 148% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834612715
Dimensions15.04 × 7.68 × 4.36 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.04 mm7.68 mm3.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834612715
Side View
Table 61.0%Crown 32.8°Girdle: STK-THKPavilion 36.2°Culet: NoneDepth 56.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £7,243 GBP|Low: £1,998 GBP|High: £7,893 GBP|Avg: £3,805 GBP|-7.9%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2£2,010 GBP
Retailer 5£2,028 GBP
Retailer 4£2,232 GBP
Retailer 6£2,371 GBP
Retailer 3£4,073 GBP
Retailer 7£4,981 GBP
Novita Diamonds£7,243 GBP

39 data points across 7 retailers

7 retailers£2,010 GBP to £4,981 GBP

A
Cheapest Retailer
-
£2,010 GBP
A
Retailer 2
-
£2,028 GBP
$2,700 USD
View
A
Retailer 3
-
£2,232 GBP
€2,831 EUR
View
A
Retailer 4
-
£2,371 GBP
$3,157 USD
View
A
Retailer 5
-
£4,073 GBP
View
B+
Retailer 6
-
£4,981 GBP
$6,633 USD
View
Most Expensive
Novita Diamonds
cert_834612715 · Oct 8
£7,243 GBP
A$14,839 AUD
View
Price last confirmed 21 days ago
6 more retailers have this diamond
Prices start from £2,010 GBPSave up to £2,971 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
£2,010 GBP