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Round|Lab Grown|IGI

1.03ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG604322983

Shape and cutting style on the report: Round brilliant

Certificate IGI LG604322983

Diamond specifications and retailer prices

From £149 GBP
As of November 3, 2026
Save £716 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £865 GBP at MOH London · As of November 2, 2026
View at MOH London

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 LG604322983 or 604322983. Listed at 19 retailers as of November 2, 2026, with prices from £149 to £865, a £716 spread on the same certified stone. MOH London lists it at £865. 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 angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604322983
Dimensions6.53 × 6.49 × 3.98 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
6.53 mm6.49 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604322983
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.1%

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: £865 GBP|Low: £143 GBP|High: £875 GBP|Avg: £377 GBP
MOH London
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
November 5, 2026
Retailer 13£149 GBP
Retailer 5£167 GBP
Retailer 9£173 GBP
Retailer 10£185 GBP
Retailer 4£261 GBP
Retailer 12£319 GBP
Retailer 7£324 GBP
Retailer 2£335 GBP
Retailer 6£361 GBP
Retailer 11£451 GBP
Retailer 8£595 GBP
Retailer 14£596 GBP
Retailer 3£670 GBP
MOH London£865 GBP

44 data points across 14 retailers

19 retailers£149 GBP to £865 GBP

A
Cheapest Retailer
-
£149 GBP
A
Retailer 2
-
£167 GBP
View
Final sale: no returns
A
Retailer 3
-
£173 GBP
View
A
Retailer 4
-
£185 GBP
View
Retailer 5
-
£185 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£208 GBP
View
A
Retailer 7
-
£261 GBP
View
A
Retailer 8
-
£319 GBP
View
A
Retailer 9
-
£324 GBP
View
B+
Retailer 10
-
£335 GBP
View
B+
Retailer 11
-
£353 GBP
View
B+
Retailer 12
-
£361 GBP
View
B+
Retailer 13
-
£451 GBP
View
B+
Retailer 14
-
£502 GBP
View
B
Retailer 15
-
£595 GBP
View
B
Retailer 16
-
£596 GBP
View
B
Retailer 17
-
£634 GBP
View
Retailer 18
-
£670 GBP
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
LG604322983 · Nov 2
£865 GBP
View
18 more retailers have this diamond
Prices start from £149 GBPSave up to £716 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
£149 GBP