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Round|Lab Grown|IGI

3.20ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG517214527

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517214527

Diamond specifications and retailer prices

From £302 GBP
As of November 5, 2026
Save £1,155 GBP (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,457 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.2ct lab-grown round diamond

This 3.2ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517214527 or 517214527. Listed at 16 retailers as of November 5, 2026, with prices from £302 to £1,457, a £1,155 spread on the same certified stone. MOH London lists it at £1,457. 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

3.20
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517214527
Dimensions9.31 × 9.35 × 5.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.31 mm9.35 mm3.20 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517214527
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

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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: Nov 5
Current: £1,457 GBP|Low: £301 GBP|High: £2,586 GBP|Avg: £799 GBP|+0.7%
MOH London
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
November 6, 2026
Retailer 6£302 GBP
Retailer 5£337 GBP
Retailer 11£347 GBP
Retailer 13£374 GBP
Retailer 14£502 GBP
Retailer 8£600 GBP
Retailer 12£604 GBP
Retailer 7£606 GBP
Retailer 2£649 GBP
Retailer 4£781 GBP
Retailer 9£1,048 GBP
Retailer 3£1,201 GBP
Retailer 10£1,367 GBP
MOH London£1,457 GBP

41 data points across 14 retailers

16 retailers£302 GBP to £1,457 GBP

A
Cheapest Retailer
-
£302 GBP
A
Retailer 2
-
£337 GBP
View
A
Retailer 3
-
£347 GBP
View
Final sale: no returns
A
Retailer 4
-
£374 GBP
View
Retailer 5
-
£389 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£502 GBP
View
A
Retailer 7
-
£600 GBP
View
A
Retailer 8
-
£604 GBP
View
A
Retailer 9
-
£606 GBP
View
A
Retailer 10
-
£649 GBP
View
B+
Retailer 11
-
£781 GBP
View
B+
Retailer 12
-
£908 GBP
View
B+
Retailer 13
-
£1,048 GBP
View
B
Retailer 14
-
£1,201 GBP
View
B
Retailer 15
-
£1,367 GBP
View
Most Expensive
B
MOH London
LG517214527 · Nov 5
£1,457 GBP
View
15 more retailers have this diamond
Prices start from £302 GBPSave up to £1,155 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
3.20ct Round
£302 GBP