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Marquise|Lab Grown|IGI

3.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG839697009

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839697009

Diamond specifications and retailer prices

From £1,100 GBP
$1,462 USD
As of October 27, 2026
Save £4,582 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,259 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 LG839697009 or 839697009. Listed at 22 retailers as of October 27, 2026, with a 416% 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 angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839697009
Dimensions15.49 × 7.50 × 4.62 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.49 mm7.50 mm3.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839697009
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: £7,259 GBP|Low: £1,100 GBP|High: £7,259 GBP|Avg: £2,689 GBP
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 8
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Retailer 12
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Retailer 21
October 29, 2026
Retailer 10£1,100 GBP
Retailer 6£1,276 GBP
Retailer 11£1,337 GBP
Retailer 14£1,341 GBP
Retailer 21£1,404 GBP
Retailer 15£1,413 GBP
Retailer 8£1,437 GBP
Retailer 16£1,791 GBP
Retailer 12£1,825 GBP
Retailer 18£2,034 GBP
Retailer 20£2,077 GBP
Retailer 3£2,334 GBP
Retailer 4£2,887 GBP
Retailer 2£2,963 GBP
Retailer 7£3,085 GBP
Retailer 17£3,275 GBP
Retailer 13£3,664 GBP
Retailer 19£3,929 GBP
Retailer 9£4,493 GBP
Retailer 5£4,646 GBP
Novita Diamonds£7,259 GBP

24 data points across 21 retailers

22 retailers£1,100 GBP to £5,682 GBP

A+
Cheapest Retailer
-
£1,100 GBP
$1,462 USD
A
Retailer 2
-
£1,276 GBP
$1,696 USD
View
A
Retailer 3
-
£1,337 GBP
$1,777 USD
View
Final sale: no returns
A
Retailer 4
-
£1,341 GBP
$1,782 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£1,404 GBP
$1,865 USD
View
A
Retailer 6
-
£1,413 GBP
View
A
Retailer 7
-
£1,437 GBP
$1,910 USD
View
A
Retailer 8
-
£1,791 GBP
View
A
Retailer 9
-
£1,825 GBP
$2,425 USD
View
A
Retailer 10
-
£2,034 GBP
€2,574 EUR
View
A
Retailer 11
-
£2,077 GBP
$2,760 USD
View
A
Retailer 12
-
£2,334 GBP
$3,101 USD
View
A
Retailer 13
-
£2,887 GBP
A$5,901 AUD
View
A
Retailer 14
-
£2,963 GBP
ZAR 63,612 ZAR
View
A
Retailer 15
-
£3,085 GBP
View
A
Retailer 16
-
£3,275 GBP
$4,352 USD
View
A
Retailer 17
-
£3,664 GBP
View
A
Retailer 18
-
£3,929 GBP
$5,220 USD
View
A
Retailer 19
-
£4,493 GBP
$5,970 USD
View
A
Retailer 20
-
£4,646 GBP
$6,173 USD
View
B+
Retailer 21
-
£5,682 GBP
$7,550 USD
View
Most Expensive
B
Novita Diamonds
cert_839697009 · Oct 8
£7,259 GBP
A$14,839 AUD
View
Price last confirmed 20 days ago
21 more retailers have this diamond
Prices start from £1,100 GBPSave up to £4,582 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
£1,100 GBP