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Marquise|Lab Grown|IGI

3.01ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG731589449

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG731589449

Diamond specifications and retailer prices

From £1,414 GBP
$1,895 USD
As of October 30, 2026
Save £5,752 GBP (80%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £7,167 GBP at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 3.01ct lab-grown marquise diamond

This 3.01ct 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 LG731589449 or 731589449. Listed at 26 retailers as of October 30, 2026, with prices from £1,414 to £7,167, a £5,752 spread on the same certified stone. Novita Diamonds lists it at £7,167. 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

3.01
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731589449
Dimensions16.28 × 7.45 × 4.35 mm
L/W Ratio2.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.28 mm7.45 mm3.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731589449
Side View
Table 61.0%Crown 32.6°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 58.4%

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: £7,167 GBP|Low: £1,403 GBP|High: £7,796 GBP|Avg: £3,501 GBP|-8.1%
Novita Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 18£1,414 GBP
Retailer 17£1,584 GBP
Retailer 5£1,640 GBP
Retailer 13£1,765 GBP
Retailer 20£1,811 GBP
Retailer 15£1,912 GBP
Retailer 2£2,256 GBP
Retailer 14£2,331 GBP
Retailer 7£2,564 GBP
Retailer 11£2,625 GBP
Retailer 6£2,714 GBP
Retailer 3£3,401 GBP
Retailer 9£3,836 GBP
Retailer 4£3,938 GBP
Retailer 16£4,421 GBP
Retailer 10£4,642 GBP
Retailer 8£4,849 GBP
Retailer 19£4,928 GBP
Retailer 12£5,642 GBP
Retailer 21£5,746 GBP
Novita Diamonds£7,167 GBP

33 data points across 21 retailers

26 retailers£1,414 GBP to £7,167 GBP

A
Cheapest Retailer
-
£1,414 GBP
$1,895 USD
A
Retailer 2
-
£1,584 GBP
$2,122 USD
View
Final sale: no returns
A
Retailer 3
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£1,590 GBP
$2,131 USD
View
A
Retailer 4
-
£1,640 GBP
$2,198 USD
View
Retailer 5
-
£1,696 GBP
$2,272 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
£1,765 GBP
$2,365 USD
View
A
Retailer 7
-
£1,811 GBP
View
A
Retailer 8
-
£1,912 GBP
$2,562 USD
View
A
Retailer 9
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£2,256 GBP
View
A
Retailer 10
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£2,331 GBP
$3,123 USD
View
A
Retailer 11
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£2,564 GBP
$3,435 USD
View
A
Retailer 12
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£2,625 GBP
$3,517 USD
View
A
Retailer 13
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£2,714 GBP
€3,463 EUR
View
A
Retailer 14
-
£3,401 GBP
View
Retailer 15
-
£3,836 GBP
A$7,907 AUD
View
Price last confirmed 9 days ago
A
Retailer 16
-
£3,938 GBP
ZAR 85,237 ZAR
View
B+
Retailer 17
-
£4,421 GBP
$5,924 USD
View
B+
Retailer 18
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£4,631 GBP
$6,205 USD
View
Retailer 19
-
£4,635 GBP
$6,210 USD
View
Price last confirmed 31 days ago
B+
Retailer 20
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£4,642 GBP
$6,220 USD
View
B+
Retailer 21
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£4,849 GBP
View
B+
Retailer 22
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£4,928 GBP
$6,603 USD
View
B+
Retailer 23
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£5,642 GBP
$7,560 USD
View
B+
Retailer 24
-
£5,746 GBP
$7,700 USD
View
B
Retailer 25
-
£6,568 GBP
$8,801 USD
View
Most Expensive
B
Novita Diamonds
cert_731589449 · Oct 31
£7,167 GBP
A$14,773 AUD
View
25 more retailers have this diamond
Prices start from £1,414 GBPSave up to £5,752 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
3.01ct Marquise
£1,414 GBP