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Asscher|Lab Grown|IGI

1.00ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG624415138

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG624415138

Diamond specifications and retailer prices

From £190 GBP
$255 USD
As of October 30, 2026
Save £1,384 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,575 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1ct lab-grown asscher diamond

This 1ct 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 LG624415138 or 624415138. Listed at 21 retailers as of October 29, 2026, with prices from £190 to £1,575, a £1,384 spread on the same certified stone. Do Amore Diamonds lists it at £1,575. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624415138
Dimensions5.44 × 5.44 × 3.59 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
5.44 mm5.44 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624415138
Side View
Table 66.0%Crown 42.7°Girdle: THN-MEDPavilion 42.5°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £425 GBP|Low: £130 GBP|High: £1,105 GBP|Avg: £520 GBP|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9£190 GBP
Retailer 12£317 GBP
Retailer 5£376 GBP
Retailer 3£377 GBP
Retailer 7£385 GBP
Retailer 1£425 GBP
Retailer 4£493 GBP
Retailer 8£547 GBP
Retailer 11£619 GBP
Retailer 10£795 GBP
Retailer 6£903 GBP
Retailer 2£1,105 GBP

44 data points across 12 retailers

21 retailers£190 GBP to £1,575 GBP

A
Cheapest Retailer
-
£190 GBP
$255 USD
Final sale: no returns
A
Retailer 2
-
£315 GBP
HK$3,300 HKD
View
A
Retailer 3
-
£317 GBP
$425 USD
View
A
Retailer 4
-
£325 GBP
$435 USD
View
A
Retailer 5
-
£376 GBP
€480 EUR
View
A
Retailer 6
-
£377 GBP
$505 USD
View
A
Retailer 7
-
£385 GBP
ZAR 8,337 ZAR
View
Retailer 8
-
£414 GBP
View
Price last confirmed 15 days ago
A
Retailer 9
-
£425 GBP
View
B+
Retailer 10
-
£493 GBP
$660 USD
View
B+
Retailer 11
-
£547 GBP
A$1,127 AUD
View
Retailer 12
-
£619 GBP
A$1,276 AUD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
£759 GBP
SGD 1,375 SGD
View
B+
Retailer 14
-
£795 GBP
$1,065 USD
View
Retailer 15
-
£837 GBP
$1,122 USD
View
Price last confirmed 81 days ago
B
Retailer 16
-
£848 GBP
$1,137 USD
View
B+
Retailer 17
-
£903 GBP
View
B
Retailer 18
-
£937 GBP
$1,255 USD
View
B
Retailer 19
-
£1,004 GBP
View
B
Retailer 20
-
£1,105 GBP
$1,480 USD
View
Most Expensive
B
Do Amore Diamonds
27-7BFD9240E · Oct 29
£1,575 GBP
$2,110 USD
View
20 more retailers have this diamond
Prices start from £190 GBPSave up to £1,384 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
1.00ct Asscher
£190 GBP