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Princess|Lab Grown|IGI

3.05ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG536294609

Shape and cutting style on the report: Princess cut

Certificate IGI LG536294609

Diamond specifications and retailer prices

From £369 GBP
As of November 6, 2026
Save £2,329 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,697 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.05ct lab-grown princess diamond

This 3.05ct lab-grown princess sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG536294609 or 536294609. Listed at 18 retailers as of November 5, 2026, with prices from £369 to £2,697, a £2,329 spread on the same certified stone. Brilliant Earth lists it at £2,697. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.05
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536294609
Dimensions7.81 × 7.64 × 5.72 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.81 mm7.64 mm3.05 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536294609
Side View
Table 72.0%Crown 41.9°Girdle: ThickPavilion 39.3°Culet: NoneDepth 74.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £2,697 GBP|Low: £354 GBP|High: £2,779 GBP|Avg: £882 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
November 6, 2026
Retailer 16£369 GBP
Retailer 6£413 GBP
Retailer 7£413 GBP
Retailer 3£458 GBP
Retailer 5£458 GBP
Retailer 9£521 GBP
Retailer 12£561 GBP
Retailer 15£613 GBP
Retailer 8£676 GBP
Retailer 2£753 GBP
Retailer 11£768 GBP
Retailer 4£1,203 GBP
Retailer 14£1,230 GBP
Retailer 13£1,375 GBP
Retailer 10£1,904 GBP
Brilliant Earth£2,697 GBP

45 data points across 16 retailers

18 retailers£369 GBP to £2,697 GBP

A
Cheapest Retailer
-
£369 GBP
A
Retailer 2
-
£413 GBP
View
A
Retailer 3
-
£413 GBP
View
Final sale: no returns
Retailer 4
-
£458 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£458 GBP
View
A
Retailer 6
-
£521 GBP
View
A
Retailer 7
-
£561 GBP
View
B+
Retailer 8
-
£613 GBP
View
A
Retailer 9
-
£676 GBP
View
A
Retailer 10
-
£753 GBP
View
Retailer 11
-
£768 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£832 GBP
View
B+
Retailer 13
-
£1,203 GBP
View
B+
Retailer 14
-
£1,230 GBP
View
Retailer 15
-
£1,375 GBP
View
Price last confirmed 19 days ago
B
Retailer 16
-
£1,490 GBP
View
B
Retailer 17
-
£1,904 GBP
View
Most Expensive
B
Brilliant Earth
21311950A · Nov 5
£2,697 GBP
$3,630 USD
View
17 more retailers have this diamond
Prices start from £369 GBPSave up to £2,329 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
3.05ct Princess
£369 GBP