Round|Lab Grown|GCAL

3.07ct F SI1 Round Lab Grown Diamond

ID • F/SI1

Diamond specifications and retailer prices

From £323 GBP
As of November 5, 2026
Save £1,500 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,823 GBP at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 3.07ct lab-grown round diamond

This 3.07ct lab-grown round 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 10 retailers as of November 5, 2026, with prices from £323 to £1,823, a £1,500 spread on the same certified stone. Diamond Exchange Canada lists it at £1,823. 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

3.07
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions9.33 × 9.35 × 5.75 mm
L/W Ratio1.00
Top View
9.33 mm9.35 mm3.07 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCuletDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £1,823 GBP|Low: £299 GBP|High: £1,823 GBP|Avg: £768 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4£323 GBP
Retailer 5£362 GBP
Retailer 6£370 GBP
Retailer 2£400 GBP
Retailer 3£1,421 GBP
Diamond Exchange Canada£1,823 GBP

8 data points across 6 retailers

10 retailers£323 GBP to £1,823 GBP

Retailer 1
-
£299 GBP
Price last confirmed 44 days ago
A
Retailer 2
-
£323 GBP
View
Retailer 3
-
£334 GBP
View
Price last confirmed 44 days ago
A
Retailer 4
-
£362 GBP
View
Retailer 5
-
£362 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
£366 GBP
View
Price last confirmed 45 days ago
A
Retailer 7
-
£400 GBP
View
Retailer 8
-
£1,314 GBP
View
Price last confirmed 46 days ago
B
Retailer 9
-
£1,421 GBP
View
Most Expensive
B
Diamond Exchange Canada
1986530042 · Nov 5
£1,823 GBP
CA$3,408 CAD
View
9 more retailers have this diamond
Prices start from £323 GBPSave up to £1,500 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
3.07ct Round
£323 GBP