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Asscher|Lab Grown|IGI

1.05ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG812621246

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG812621246

Diamond specifications and retailer prices

From £171 GBP
$228 USD
As of October 27, 2026
Save £1,015 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,186 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown asscher diamond

This 1.05ct lab-grown asscher sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621246 or 812621246. Listed at 21 retailers as of October 27, 2026, with prices from £171 to £1,186, a £1,015 spread on the same certified stone. Brilliant Earth lists it at £1,186. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621246
Dimensions5.58 × 5.53 × 3.79 mm
L/W Ratio1.01
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
5.58 mm5.53 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621246
Side View
Table 64.0%Crown 32.5°Girdle: STK-THKPavilion 41.9°Culet: NoneDepth 68.5%

Caratlytics Score

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A+
Exceptional
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: Oct 27
Current: £1,186 GBP|Low: £171 GBP|High: £1,201 GBP|Avg: £492 GBP|-1.3%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 5£171 GBP
Retailer 7£191 GBP
Retailer 3£199 GBP
Retailer 15£213 GBP
Retailer 2£225 GBP
Retailer 11£226 GBP
Retailer 18£300 GBP
Retailer 16£356 GBP
Retailer 20£365 GBP
Retailer 13£397 GBP
Retailer 9£445 GBP
Retailer 21£457 GBP
Retailer 6£461 GBP
Retailer 4£518 GBP
Retailer 17£683 GBP
Retailer 10£722 GBP
Retailer 14£728 GBP
Retailer 8£853 GBP
Retailer 12£864 GBP
Retailer 19£964 GBP
Brilliant Earth£1,186 GBP

30 data points across 21 retailers

21 retailers£171 GBP to £1,186 GBP

A+
Cheapest Retailer
-
£171 GBP
$228 USD
A
Retailer 2
-
£191 GBP
$255 USD
View
Final sale: no returns
A
Retailer 3
-
£199 GBP
$265 USD
View
A
Retailer 4
-
£213 GBP
$283 USD
View
A
Retailer 5
-
£225 GBP
View
A
Retailer 6
-
£226 GBP
$301 USD
View
A
Retailer 7
-
£300 GBP
$400 USD
View
A
Retailer 8
-
£356 GBP
€451 EUR
View
A
Retailer 9
-
£365 GBP
ZAR 7,853 ZAR
View
A
Retailer 10
-
£397 GBP
View
A
Retailer 11
-
£445 GBP
$592 USD
View
A
Retailer 12
-
£457 GBP
$609 USD
View
A
Retailer 13
-
£461 GBP
$614 USD
View
B+
Retailer 14
-
£518 GBP
A$1,062 AUD
View
B+
Retailer 15
-
£683 GBP
$910 USD
View
B+
Retailer 16
-
£722 GBP
$962 USD
View
B+
Retailer 17
-
£728 GBP
$970 USD
View
B+
Retailer 18
-
£853 GBP
View
B+
Retailer 19
-
£864 GBP
$1,150 USD
View
B
Retailer 20
-
£964 GBP
$1,284 USD
View
Most Expensive
B
Brilliant Earth
20681200A · Oct 28
£1,186 GBP
$1,580 USD
View
20 more retailers have this diamond
Prices start from £171 GBPSave up to £1,015 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 Asscher
£171 GBP