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Marquise|Lab Grown|IGI

3.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG752595431

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752595431

Diamond specifications and retailer prices

From £1,452 GBP
$1,945 USD
As of October 30, 2026
Save £4,443 GBP (75%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £7,828 GBP at Novita Diamonds · As of September 29, 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 LG752595431 or 752595431. Listed at 25 retailers as of October 30, 2026, with a 306% 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 angle38.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752595431
Dimensions14.76 × 7.00 × 4.63 mm
L/W Ratio2.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.76 mm7.00 mm3.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752595431
Side View
Table 59.0%Crown 38.6°Girdle: THK-VTKPavilion 37.9°Culet: NoneDepth 66.1%

Caratlytics Score

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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: £2,316 GBP|Low: £1,393 GBP|High: £6,135 GBP|Avg: £3,202 GBP|-19.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 5£1,452 GBP
Retailer 9£1,684 GBP
Retailer 19£1,773 GBP
Retailer 8£1,786 GBP
Retailer 16£1,810 GBP
Retailer 7£1,939 GBP
Retailer 10£2,314 GBP
Retailer 1£2,316 GBP
Retailer 18£2,407 GBP
Retailer 4£2,435 GBP
Retailer 3£2,521 GBP
Retailer 17£2,657 GBP
Retailer 6£3,196 GBP
Retailer 20£3,808 GBP
Retailer 12£3,910 GBP
Retailer 21£4,342 GBP
Retailer 15£4,834 GBP
Retailer 11£5,046 GBP
Retailer 13£5,621 GBP
Retailer 2£5,650 GBP
Retailer 14£5,895 GBP

31 data points across 21 retailers

25 retailers£1,452 GBP to £5,895 GBP

A
Cheapest Retailer
-
£1,452 GBP
$1,945 USD
Retailer 2
-
£1,663 GBP
$2,228 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£1,684 GBP
$2,256 USD
View
Retailer 4
-
£1,749 GBP
$2,343 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
£1,773 GBP
$2,375 USD
View
Final sale: no returns
A
Retailer 6
-
£1,786 GBP
$2,393 USD
View
A
Retailer 7
-
£1,810 GBP
$2,425 USD
View
A
Retailer 8
-
£1,939 GBP
HK$20,300 HKD
View
Retailer 9
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£1,971 GBP
View
Price last confirmed 32 days ago
A
Retailer 10
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£2,314 GBP
$3,101 USD
View
A
Retailer 11
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£2,316 GBP
View
A
Retailer 12
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£2,407 GBP
$3,225 USD
View
A
Retailer 13
-
£2,435 GBP
$3,262 USD
View
A
Retailer 14
-
£2,521 GBP
$3,378 USD
View
A
Retailer 15
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£2,657 GBP
€3,390 EUR
View
A
Retailer 16
-
£3,196 GBP
View
Retailer 17
-
£3,808 GBP
A$7,850 AUD
View
Price last confirmed 8 days ago
A
Retailer 18
-
£3,910 GBP
ZAR 84,628 ZAR
View
A
Retailer 19
-
£4,342 GBP
$5,818 USD
View
B+
Retailer 20
-
£4,834 GBP
View
B+
Retailer 21
-
£5,046 GBP
$6,761 USD
View
B+
Retailer 22
-
£5,621 GBP
SGD 10,178 SGD
View
B+
Retailer 23
-
£5,650 GBP
$7,570 USD
View
B+
Retailer 24
-
£5,895 GBP
$7,898 USD
View
Most Expensive
Novita Diamonds
cert_752595431 · Sep 29
£7,828 GBP
A$16,137 AUD
View
Price last confirmed 32 days ago
24 more retailers have this diamond
Prices start from £1,452 GBPSave up to £4,443 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
£1,452 GBP