Princess|Lab Grown|IGI

4.09ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG749568958

Shape and cutting style on the report: Princess cut

Certificate IGI LG749568958

Diamond specifications and retailer prices

From £398 GBP
$533 USD
As of October 30, 2026
Save £2,849 GBP (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,247 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.09ct lab-grown princess diamond

This 4.09ct lab-grown princess sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749568958 or 749568958. Listed at 24 retailers as of October 30, 2026, with prices from £398 to £3,247, a £2,849 spread on the same certified stone. Brilliant Earth lists it at £3,247. 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

4.09
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749568958
Dimensions8.74 × 8.68 × 6.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm8.68 mm4.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749568958
Side View
Table 67.0%Crown 44°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 70.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £3,247 GBP|Low: £394 GBP|High: £3,247 GBP|Avg: £1,109 GBP
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 4£398 GBP
Retailer 18£445 GBP
Retailer 22£446 GBP
Retailer 6£493 GBP
Retailer 11£493 GBP
Retailer 16£593 GBP
Retailer 5£734 GBP
Retailer 8£763 GBP
Retailer 13£766 GBP
Retailer 19£788 GBP
Retailer 21£982 GBP
Retailer 17£989 GBP
Retailer 3£1,070 GBP
Retailer 9£1,158 GBP
Retailer 7£1,298 GBP
Retailer 14£1,433 GBP
Retailer 2£1,589 GBP
Retailer 12£1,603 GBP
Retailer 10£1,606 GBP
Retailer 15£1,881 GBP
Retailer 20£2,070 GBP
Brilliant Earth£3,247 GBP

38 data points across 22 retailers

24 retailers£398 GBP to £3,247 GBP

A
Cheapest Retailer
-
£398 GBP
$533 USD
A
Retailer 2
-
£445 GBP
$596 USD
View
Final sale: no returns
A
Retailer 3
-
£446 GBP
$597 USD
View
Retailer 4
-
£482 GBP
$646 USD
View
Price last confirmed 40 days ago
Retailer 5
-
£493 GBP
$661 USD
View
Price last confirmed 15 days ago
A
Retailer 6
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£493 GBP
$661 USD
View
A
Retailer 7
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£593 GBP
$795 USD
View
A
Retailer 8
-
£734 GBP
$983 USD
View
B+
Retailer 9
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£763 GBP
$1,022 USD
View
A
Retailer 10
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£766 GBP
View
A
Retailer 11
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£788 GBP
€1,006 EUR
View
A
Retailer 12
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£982 GBP
ZAR 21,249 ZAR
View
A
Retailer 13
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£989 GBP
A$2,038 AUD
View
B+
Retailer 14
-
£1,070 GBP
$1,434 USD
View
B+
Retailer 15
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£1,158 GBP
$1,551 USD
View
B+
Retailer 16
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£1,298 GBP
$1,739 USD
View
B+
Retailer 17
-
£1,433 GBP
View
B+
Retailer 18
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£1,589 GBP
$2,129 USD
View
B+
Retailer 19
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£1,603 GBP
$2,147 USD
View
B+
Retailer 20
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£1,606 GBP
$2,151 USD
View
B+
Retailer 21
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£1,798 GBP
$2,409 USD
View
Retailer 22
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£1,881 GBP
$2,520 USD
View
Price last confirmed 24 days ago
B
Retailer 23
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£2,070 GBP
View
Most Expensive
B
Brilliant Earth
16895341A · Oct 31
£3,247 GBP
$4,350 USD
View
23 more retailers have this diamond
Prices start from £398 GBPSave up to £2,849 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
4.09ct Princess
£398 GBP