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Round|Lab Grown|IGI

1.01ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG750577984

Shape and cutting style on the report: Round brilliant

Certificate IGI LG750577984

Diamond specifications and retailer prices

From £351 GBP
$470 USD
As of October 31, 2026
5 retailers carry this diamond
Most expensive: £351 GBP at Brilliant Earth
View at Brilliant Earth

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG750577984 or 750577984. Listed at 5 retailers as of October 31, 2026. 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

1.01
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750577984
Dimensions6.45 × 6.50 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.45 mm6.50 mm1.01 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750577984
Side View
Table 58.0%Crown 31.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £351 GBP|Low: £88 GBP|High: £567 GBP|Avg: £281 GBP|-38.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 29, 2026
Retailer 3£106 GBP
Retailer 2£130 GBP
Retailer 8£207 GBP
Retailer 9£222 GBP
Retailer 7£238 GBP
Retailer 5£292 GBP
Retailer 4£305 GBP
Brilliant Earth£351 GBP
Retailer 6£409 GBP

52 data points across 9 retailers

5 retailers

Retailer 1
-
£106 GBP
$142 USD
Price last confirmed 33 days ago
Retailer 2
-
£130 GBP
$174 USD
View
Price last confirmed 33 days ago
Retailer 3
-
£292 GBP
$391 USD
View
Price last confirmed 53 days ago
Retailer 4
-
£305 GBP
$409 USD
View
Price last confirmed 43 days ago
Most Expensive
B
Brilliant Earth
20729522A · Oct 31
£351 GBP
$470 USD
View
4 more retailers have this diamond

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
1.01ct Round
£351 GBP