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Round|Lab Grown|IGI

3.07ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG644404163

Shape and cutting style on the report: Round brilliant

Certificate IGI LG644404163

Diamond specifications and retailer prices

From £938 GBP
As of November 5, 2026
Save £302 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,241 GBP at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

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 IGI LG644404163 or 644404163. Listed at 3 retailers as of November 5, 2026, with prices from £938 to £1,241, a £302 spread on the same certified stone. The Diamond Guys lists it at £1,241. 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
Crown angle35.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644404163
Dimensions9.29 × 9.25 × 5.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.29 mm9.25 mm3.07 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644404163
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £260 GBP|Low: £185 GBP|High: £3,106 GBP|Avg: £1,019 GBP|+36.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
The Diamond Guys
September 19, 2026
Retailer 1£260 GBP
Retailer 13£285 GBP
Retailer 8£288 GBP
Retailer 11£400 GBP
Retailer 12£450 GBP
Retailer 9£490 GBP
Retailer 10£508 GBP
Retailer 2£702 GBP
Retailer 14£702 GBP
Retailer 3£786 GBP
Retailer 15£799 GBP
Retailer 5£938 GBP
The Diamond Guys£1,241 GBP
Retailer 7£1,389 GBP
Retailer 6£1,976 GBP
Retailer 4£3,106 GBP

65 data points across 16 retailers

3 retailers£938 GBP to £1,241 GBP

Retailer 1
-
£285 GBP
Price last confirmed 51 days ago
B+
Retailer 2
-
£938 GBP
View
Most Expensive
B
The Diamond Guys
1954434421 · Nov 6
£1,241 GBP
$1,670 USD
View
2 more retailers have this diamond
Prices start from £938 GBPSave up to £302 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+
3.07ct Round
£938 GBP