Princess|Lab Grown|GCAL

3.08ct F SI1 Princess Lab Grown Diamond

EX • F/SI1

Diamond specifications and retailer prices

From £386 GBP
As of November 5, 2026
Save £1,474 GBP (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,860 GBP at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 3.08ct lab-grown princess diamond

This 3.08ct 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 GCAL. Listed at 4 retailers as of November 5, 2026, with prices from £386 to £1,860, a £1,474 spread on the same certified stone. Diamond Exchange Canada lists it at £1,860. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions8.15 × 8.12 × 5.83 mm
L/W Ratio1.00
Top View
8.15 mm8.12 mm3.08 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCuletDepth 71.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £1,860 GBP|Low: £319 GBP|High: £1,860 GBP|Avg: £707 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 20, 2026
Retailer 4£319 GBP
Retailer 2£386 GBP
Retailer 5£391 GBP
Retailer 3£427 GBP
Diamond Exchange Canada£1,860 GBP

7 data points across 5 retailers

4 retailers£386 GBP to £1,860 GBP

Retailer 1
-
£319 GBP
Price last confirmed 45 days ago
B+
Retailer 2
-
£386 GBP
View
Retailer 3
-
£391 GBP
View
Price last confirmed 44 days ago
Most Expensive
B
Diamond Exchange Canada
1986534104 · Nov 5
£1,860 GBP
CA$3,476 CAD
View
3 more retailers have this diamond
Prices start from £386 GBPSave up to £1,474 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.

B+
3.08ct Princess
£386 GBP