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Princess|Lab Grown|IGI

3.04ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG656487266

Shape and cutting style on the report: Princess cut

Certificate IGI LG656487266

Diamond specifications and retailer prices

From £300 GBP
As of November 6, 2026
Save £1,617 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,917 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.04ct lab-grown princess diamond

This 3.04ct lab-grown princess sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG656487266 or 656487266. Listed at 18 retailers as of November 4, 2026, with prices from £300 to £1,917, a £1,617 spread on the same certified stone. Brilliant Earth lists it at £1,917. 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

3.04
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle41.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656487266
Dimensions7.98 × 7.97 × 5.55 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm7.97 mm3.04 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG656487266
Side View
Table 69.0%Crown 41.2°Girdle: MediumPavilion 37.9°Culet: NoneDepth 69.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,917 GBP|Low: £300 GBP|High: £1,917 GBP|Avg: £856 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
Retailer 15
Retailer 16
November 6, 2026
Retailer 7£300 GBP
Retailer 6£337 GBP
Retailer 12£346 GBP
Retailer 14£372 GBP
Retailer 2£453 GBP
Retailer 4£483 GBP
Retailer 3£499 GBP
Retailer 15£598 GBP
Retailer 9£606 GBP
Retailer 13£633 GBP
Retailer 5£766 GBP
Retailer 10£1,045 GBP
Retailer 16£1,198 GBP
Retailer 11£1,455 GBP
Retailer 8£1,471 GBP
Brilliant Earth£1,917 GBP

34 data points across 16 retailers

18 retailers£300 GBP to £1,917 GBP

A
Cheapest Retailer
-
£300 GBP
A
Retailer 2
-
£337 GBP
View
A
Retailer 3
-
£346 GBP
View
Final sale: no returns
A
Retailer 4
-
£372 GBP
View
Retailer 5
-
£377 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£453 GBP
View
A
Retailer 7
-
£483 GBP
View
B+
Retailer 8
-
£499 GBP
View
A
Retailer 9
-
£598 GBP
View
A
Retailer 10
-
£606 GBP
View
Retailer 11
-
£633 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£766 GBP
View
B+
Retailer 13
-
£903 GBP
View
B+
Retailer 14
-
£1,045 GBP
View
B+
Retailer 15
-
£1,198 GBP
View
B+
Retailer 16
-
£1,455 GBP
View
Retailer 17
-
£1,471 GBP
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
12082427A · Nov 4
£1,917 GBP
$2,580 USD
View
17 more retailers have this diamond
Prices start from £300 GBPSave up to £1,617 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
3.04ct Princess
£300 GBP