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Asscher|Lab Grown|IGI

1.03ct F IF Asscher Lab Grown Diamond

ID • F/IF • IGI LG630429065

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG630429065

Diamond specifications and retailer prices

From £237 GBP
As of November 4, 2026
Save £889 GBP (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,126 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.03ct lab-grown asscher diamond

This 1.03ct lab-grown asscher 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 LG630429065 or 630429065. Listed at 18 retailers as of November 4, 2026, with prices from £237 to £1,126, a £889 spread on the same certified stone. Brilliant Earth lists it at £1,126. 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 angle32.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630429065
Dimensions5.50 × 5.48 × 3.67 mm
L/W Ratio1.00
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
5.50 mm5.48 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630429065
Side View
Table 63.0%Crown 32.6°Girdle: Slightly ThickPavilion 38.2°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,126 GBP|Low: £185 GBP|High: £1,311 GBP|Avg: £507 GBP|-14.1%
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
November 5, 2026
Retailer 3£185 GBP
Retailer 13£285 GBP
Retailer 9£340 GBP
Retailer 8£347 GBP
Retailer 2£370 GBP
Retailer 4£375 GBP
Retailer 12£404 GBP
Retailer 5£447 GBP
Retailer 7£492 GBP
Retailer 10£582 GBP
Retailer 6£805 GBP
Retailer 11£811 GBP
Brilliant Earth£1,126 GBP

43 data points across 13 retailers

18 retailers£237 GBP to £1,126 GBP

A
Cheapest Retailer
-
£237 GBP
A
Retailer 2
-
£285 GBP
View
Retailer 3
-
£340 GBP
View
Price last confirmed 7 days ago
A
Retailer 4
-
£347 GBP
View
A
Retailer 5
-
£370 GBP
View
A
Retailer 6
-
£375 GBP
View
Retailer 7
-
£404 GBP
View
Price last confirmed 13 days ago
B+
Retailer 8
-
£436 GBP
View
B+
Retailer 9
-
£447 GBP
View
B+
Retailer 10
-
£492 GBP
View
B+
Retailer 11
-
£570 GBP
View
Retailer 12
-
£582 GBP
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£686 GBP
View
B
Retailer 14
-
£732 GBP
View
B+
Retailer 15
-
£805 GBP
View
Retailer 16
-
£811 GBP
View
Price last confirmed 15 days ago
B
Retailer 17
-
£994 GBP
View
Most Expensive
B
Brilliant Earth
10222981A · Nov 4
£1,126 GBP
$1,520 USD
View
17 more retailers have this diamond
Prices start from £237 GBPSave up to £889 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 Asscher
£237 GBP