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Round|Lab Grown|IGI

1.00ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG833607254

Shape and cutting style on the report: Round brilliant

Certificate IGI LG833607254

Diamond specifications and retailer prices

From £132 GBP
As of November 3, 2026
Save £801 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £933 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833607254 or 833607254. Listed at 18 retailers as of November 3, 2026, with prices from £132 to £933, a £801 spread on the same certified stone. Brilliant Earth lists it at £933. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833607254
Dimensions6.49 × 6.54 × 3.86 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.49 mm6.54 mm1.00 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833607254
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
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 3
Current: £933 GBP|Low: £132 GBP|High: £1,333 GBP|Avg: £407 GBP|-30.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
November 5, 2026
Retailer 4£132 GBP
Retailer 18£153 GBP
Retailer 7£164 GBP
Retailer 8£164 GBP
Retailer 9£222 GBP
Retailer 11£264 GBP
Retailer 12£278 GBP
Retailer 14£282 GBP
Retailer 2£290 GBP
Retailer 3£330 GBP
Retailer 16£388 GBP
Retailer 13£399 GBP
Retailer 10£448 GBP
Retailer 17£519 GBP
Retailer 5£527 GBP
Retailer 6£566 GBP
Retailer 15£765 GBP
Brilliant Earth£933 GBP

36 data points across 18 retailers

18 retailers£132 GBP to £933 GBP

A
Cheapest Retailer
-
£132 GBP
A
Retailer 2
-
£153 GBP
View
A
Retailer 3
-
£164 GBP
View
Retailer 4
-
£164 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£222 GBP
View
A
Retailer 6
-
£264 GBP
View
A
Retailer 7
-
£278 GBP
View
A
Retailer 8
-
£282 GBP
View
A
Retailer 9
-
£290 GBP
View
B+
Retailer 10
-
£330 GBP
View
B+
Retailer 11
-
£388 GBP
View
B+
Retailer 12
-
£399 GBP
View
B+
Retailer 13
-
£448 GBP
View
Retailer 14
-
£519 GBP
View
Price last confirmed 8 days ago
B
Retailer 15
-
£527 GBP
View
B
Retailer 16
-
£566 GBP
View
B
Retailer 17
-
£765 GBP
View
Most Expensive
B
Brilliant Earth
21496703A · Nov 3
£933 GBP
$1,260 USD
View
17 more retailers have this diamond
Prices start from £132 GBPSave up to £801 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
1.00ct Round
£132 GBP