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Asscher|Lab Grown|IGI

1.00ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG800624735

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG800624735

Diamond specifications and retailer prices

From £321 GBP
$428 USD
As of October 30, 2026
Save £880 GBP (73%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,201 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG800624735 or 800624735. Listed at 5 retailers as of October 26, 2026, with prices from £321 to £1,201, a £880 spread on the same certified stone. Brilliant Earth lists it at £1,201. 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
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800624735
Dimensions5.50 × 5.49 × 3.57 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 mm5.49 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG800624735
Side View
Table 59.0%Crown 32.5°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 65.1%

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: £1,201 GBP|Low: £308 GBP|High: £1,277 GBP|Avg: £585 GBP|-5.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6£308 GBP
Retailer 2£321 GBP
Retailer 5£354 GBP
Retailer 3£366 GBP
Retailer 7£428 GBP
Retailer 9£646 GBP
Retailer 8£763 GBP
Retailer 4£832 GBP
Brilliant Earth£1,201 GBP

27 data points across 9 retailers

5 retailers£321 GBP to £1,201 GBP

A
Cheapest Retailer
-
£321 GBP
$428 USD
A
Retailer 2
-
£354 GBP
€449 EUR
View
A
Retailer 3
-
£366 GBP
$488 USD
View
B+
Retailer 4
-
£832 GBP
View
Most Expensive
B
Brilliant Earth
19834511A · Oct 26
£1,201 GBP
$1,600 USD
View
4 more retailers have this diamond
Prices start from £321 GBPSave up to £880 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
£321 GBP