Round|Lab Grown|GIA

3.14ct F SI2 Round Lab Grown Diamond

VG • F/SI2 • GIA 7508913039

Certificate GIA 7508913039

Diamond specifications and retailer prices

From £640 GBP
As of November 6, 2026
Save £704 GBP (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,345 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.14ct lab-grown round diamond

This 3.14ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 7508913039. Listed at 3 retailers as of November 5, 2026, with prices from £640 to £1,345, a £704 spread on the same certified stone. Brilliant Earth lists it at £1,345. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.14
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 7508913039
Dimensions9.56 × 9.50 × 5.64 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Culet sizeNone
Top View
9.56 mm9.50 mm3.14 ctF / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7508913039
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,345 GBP|Low: £425 GBP|High: £2,548 GBP|Avg: £881 GBP|-47.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6£425 GBP
Retailer 8£430 GBP
Retailer 3£629 GBP
Retailer 2£640 GBP
Retailer 7£655 GBP
Retailer 4£692 GBP
Retailer 9£886 GBP
Retailer 5£1,068 GBP
Brilliant Earth£1,345 GBP
Retailer 10£1,484 GBP

37 data points across 10 retailers

3 retailers£640 GBP to £1,345 GBP

Retailer 1
-
£425 GBP
Price last confirmed 51 days ago
A
Retailer 2
-
£640 GBP
View
Most Expensive
B
Brilliant Earth
19009954A · Nov 5
£1,345 GBP
$1,810 USD
View
2 more retailers have this diamond
Prices start from £640 GBPSave up to £704 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
3.14ct Round
£640 GBP