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Round|Lab Grown|IGI

1.05ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG801688216

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801688216

Diamond specifications and retailer prices

From £168 GBP
$226 USD
As of November 1, 2026
Save £783 GBP (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,408 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG801688216 or 801688216. Listed at 23 retailers as of November 1, 2026, with a 465% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801688216
Dimensions6.54 × 6.52 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm6.52 mm1.05 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801688216
Side View
Table 58.0%Crown 33.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.5%

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 1
Current: £1,408 GBP|Low: £162 GBP|High: £1,408 GBP|Avg: £519 GBP
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 4£168 GBP
Retailer 5£188 GBP
Retailer 7£209 GBP
Retailer 3£339 GBP
Retailer 10£347 GBP
Retailer 12£361 GBP
Retailer 11£389 GBP
Retailer 14£435 GBP
Retailer 8£440 GBP
Retailer 16£510 GBP
Retailer 2£552 GBP
Retailer 15£575 GBP
Retailer 9£672 GBP
Retailer 17£682 GBP
Retailer 13£838 GBP
Retailer 6£952 GBP
Brilliant Earth£1,408 GBP

41 data points across 17 retailers

23 retailers£168 GBP to £952 GBP

A
Cheapest Retailer
-
£168 GBP
$226 USD
A
Retailer 2
-
£188 GBP
$252 USD
View
Final sale: no returns
A
Retailer 3
-
£195 GBP
$262 USD
View
Retailer 4
-
£209 GBP
$280 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£209 GBP
$280 USD
View
A
Retailer 6
-
£282 GBP
$378 USD
View
Retailer 7
-
£339 GBP
View
Price last confirmed 16 days ago
A
Retailer 8
-
£347 GBP
€443 EUR
View
B+
Retailer 9
-
£361 GBP
ZAR 7,822 ZAR
View
B+
Retailer 10
-
£373 GBP
$500 USD
View
B+
Retailer 11
-
£389 GBP
View
B+
Retailer 12
-
£435 GBP
A$898 AUD
View
B+
Retailer 13
-
£440 GBP
$590 USD
View
B+
Retailer 14
-
£510 GBP
A$1,052 AUD
View
B
Retailer 15
-
£552 GBP
$741 USD
View
B+
Retailer 16
-
£575 GBP
A$1,188 AUD
View
B
Retailer 17
-
£672 GBP
$902 USD
View
B
Retailer 18
-
£682 GBP
$915 USD
View
B
Retailer 19
-
£711 GBP
$954 USD
View
B
Retailer 20
-
£722 GBP
$969 USD
View
B
Retailer 21
-
£838 GBP
View
B
Retailer 22
-
£952 GBP
$1,277 USD
View
Most Expensive
Brilliant Earth
20272987A · Oct 22
£1,408 GBP
$1,890 USD
View
Price last confirmed 11 days ago
22 more retailers have this diamond
Prices start from £168 GBPSave up to £783 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
1.05ct Round
£168 GBP