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Round|Lab Grown|IGI

1.03ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG764613504

Shape and cutting style on the report: Round brilliant

Certificate IGI LG764613504

Diamond specifications and retailer prices

From £147 GBP
As of November 3, 2026
Save £1,023 GBP (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,170 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG764613504 or 764613504. Listed at 26 retailers as of November 3, 2026, with prices from £147 to £1,170, a £1,023 spread on the same certified stone. Brilliant Earth lists it at £1,170. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764613504
Dimensions6.46 × 6.50 × 3.97 mm
L/W Ratio1.01
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
6.46 mm6.50 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764613504
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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 3
Current: £1,170 GBP|Low: £146 GBP|High: £1,370 GBP|Avg: £450 GBP|-14.6%
Brilliant Earth
Retailer 2
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Retailer 21
November 5, 2026
Retailer 11£147 GBP
Retailer 2£164 GBP
Retailer 3£170 GBP
Retailer 6£182 GBP
Retailer 7£182 GBP
Retailer 18£314 GBP
Retailer 8£317 GBP
Retailer 16£317 GBP
Retailer 13£330 GBP
Retailer 4£352 GBP
Retailer 5£359 GBP
Retailer 20£389 GBP
Retailer 17£444 GBP
Retailer 21£545 GBP
Retailer 12£586 GBP
Retailer 15£588 GBP
Retailer 10£625 GBP
Retailer 14£670 GBP
Retailer 19£852 GBP
Retailer 9£880 GBP
Brilliant Earth£1,170 GBP

38 data points across 21 retailers

26 retailers£147 GBP to £1,170 GBP

Retailer 1
-
£146 GBP
Price last confirmed 44 days ago
A
Retailer 2
-
£147 GBP
View
A
Retailer 3
-
£164 GBP
View
Final sale: no returns
A
Retailer 4
-
£170 GBP
View
Retailer 5
-
£179 GBP
View
Price last confirmed 44 days ago
Retailer 6
-
£182 GBP
View
Price last confirmed 11 days ago
A
Retailer 7
-
£182 GBP
View
A
Retailer 8
-
£314 GBP
View
A
Retailer 9
-
£317 GBP
View
A
Retailer 10
-
£317 GBP
View
A
Retailer 11
-
£330 GBP
View
B+
Retailer 12
-
£352 GBP
View
B+
Retailer 13
-
£359 GBP
View
B+
Retailer 14
-
£389 GBP
View
B+
Retailer 15
-
£444 GBP
View
B+
Retailer 16
-
£498 GBP
View
Retailer 17
-
£545 GBP
View
Price last confirmed 8 days ago
Retailer 18
-
£581 GBP
View
Price last confirmed 45 days ago
B
Retailer 19
-
£586 GBP
View
B
Retailer 20
-
£588 GBP
View
B
Retailer 21
-
£625 GBP
View
B
Retailer 22
-
£648 GBP
View
Retailer 23
-
£670 GBP
View
Price last confirmed 29 days ago
B
Retailer 24
-
£852 GBP
View
B
Retailer 25
-
£880 GBP
View
Most Expensive
B
Brilliant Earth
18169057A · Nov 3
£1,170 GBP
$1,580 USD
View
25 more retailers have this diamond
Prices start from £147 GBPSave up to £1,023 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
1.03ct Round
£147 GBP