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Princess|Lab Grown|IGI

3.03ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG625428469

Shape and cutting style on the report: Princess cut

Certificate IGI LG625428469

Diamond specifications and retailer prices

From £307 GBP
$412 USD
As of October 30, 2026
Save £1,618 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,926 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.03ct lab-grown princess diamond

This 3.03ct lab-grown princess sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625428469 or 625428469. Listed at 17 retailers as of October 30, 2026, with prices from £307 to £1,926, a £1,618 spread on the same certified stone. Brilliant Earth lists it at £1,926. 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

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.9°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625428469
Dimensions7.80 × 7.78 × 5.56 mm
L/W Ratio1.00
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
7.80 mm7.78 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG625428469
Side View
Table 70.0%Crown 42.9°Girdle: MediumPavilion 37.9°Culet: NoneDepth 71.5%

Caratlytics Score

How it works →
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: £1,926 GBP|Low: £296 GBP|High: £3,381 GBP|Avg: £883 GBP|-43.0%
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
October 30, 2026
Retailer 14£307 GBP
Retailer 2£345 GBP
Retailer 3£381 GBP
Retailer 6£381 GBP
Retailer 7£468 GBP
Retailer 10£489 GBP
Retailer 4£513 GBP
Retailer 8£628 GBP
Retailer 9£642 GBP
Retailer 13£915 GBP
Retailer 5£1,226 GBP
Retailer 12£1,414 GBP
Retailer 11£1,493 GBP
Brilliant Earth£1,926 GBP

35 data points across 14 retailers

17 retailers£307 GBP to £1,926 GBP

A
Cheapest Retailer
-
£307 GBP
$412 USD
A
Retailer 2
-
£345 GBP
$462 USD
View
Final sale: no returns
A
Retailer 3
-
£345 GBP
$462 USD
View
A
Retailer 4
-
£381 GBP
$511 USD
View
A
Retailer 5
-
£381 GBP
$511 USD
View
A
Retailer 6
-
£468 GBP
View
A
Retailer 7
-
£489 GBP
$655 USD
View
B+
Retailer 8
-
£513 GBP
$688 USD
View
A
Retailer 9
-
£607 GBP
$813 USD
View
A
Retailer 10
-
£628 GBP
View
B+
Retailer 11
-
£642 GBP
€819 EUR
View
B+
Retailer 12
-
£749 GBP
$1,004 USD
View
B+
Retailer 13
-
£915 GBP
$1,226 USD
View
B
Retailer 14
-
£1,226 GBP
$1,643 USD
View
Retailer 15
-
£1,414 GBP
$1,895 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
£1,493 GBP
View
Most Expensive
B
Brilliant Earth
11251962A · Oct 30
£1,926 GBP
$2,580 USD
View
16 more retailers have this diamond
Prices start from £307 GBPSave up to £1,618 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 Princess
£307 GBP