Princess|Lab Grown|IGI

3.08ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG818695000

Shape and cutting style on the report: Princess cut

Certificate IGI LG818695000

Diamond specifications and retailer prices

From £307 GBP
$411 USD
As of October 29, 2026
Save £1,649 GBP (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,955 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.08ct lab-grown princess diamond

This 3.08ct 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 LG818695000 or 818695000. Listed at 3 retailers as of October 29, 2026, with prices from £307 to £1,955, a £1,649 spread on the same certified stone. Brilliant Earth lists it at £1,955. 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

3.08
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818695000
Dimensions7.95 × 7.91 × 5.72 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.95 mm7.91 mm3.08 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818695000
Side View
Table 65.0%Crown 39.2°Girdle: MediumPavilion 38.7°Culet: NoneDepth 72.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,955 GBP|Low: £307 GBP|High: £1,955 GBP|Avg: £1,002 GBP
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£307 GBP
Retailer 2£615 GBP
Brilliant Earth£1,955 GBP

37 data points across 3 retailers

3 retailers£307 GBP to £1,955 GBP

A
Cheapest Retailer
-
£307 GBP
$411 USD
Final sale: no returns
B+
Retailer 2
-
£615 GBP
View
Most Expensive
B
Brilliant Earth
21228683A · Oct 29
£1,955 GBP
$2,620 USD
View
2 more retailers have this diamond
Prices start from £307 GBPSave up to £1,649 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
3.08ct Princess
£307 GBP