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Asscher|Lab Grown|IGI

1.54ct E IF Asscher Lab Grown Diamond

EX • E/IF • IGI LG620421745

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620421745

Diamond specifications and retailer prices

From £212 GBP
$282 USD
As of October 30, 2026
Save £1,966 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,178 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown asscher diamond

This 1.54ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620421745 or 620421745. Listed at 17 retailers as of October 29, 2026, with prices from £212 to £2,178, a £1,966 spread on the same certified stone. Brilliant Earth lists it at £2,178. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421745
Dimensions6.37 × 6.34 × 4.19 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
6.37 mm6.34 mm1.54 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421745
Side View
Table 65.0%Crown 34.9°Girdle: MediumPavilion 42.9°Culet: NoneDepth 66.1%

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: Oct 30
Current: £2,178 GBP|Low: £212 GBP|High: £2,178 GBP|Avg: £584 GBP
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
October 30, 2026
Retailer 4£212 GBP
Retailer 6£242 GBP
Retailer 13£315 GBP
Retailer 12£357 GBP
Retailer 8£387 GBP
Retailer 10£403 GBP
Retailer 5£433 GBP
Retailer 7£447 GBP
Retailer 3£536 GBP
Retailer 11£547 GBP
Retailer 2£923 GBP
Retailer 9£945 GBP
Brilliant Earth£2,178 GBP

35 data points across 13 retailers

17 retailers£212 GBP to £2,178 GBP

A
Cheapest Retailer
-
£212 GBP
$282 USD
Final sale: no returns
A
Retailer 2
-
£242 GBP
View
B+
Retailer 3
-
£315 GBP
$420 USD
View
A
Retailer 4
-
£357 GBP
$475 USD
View
A
Retailer 5
-
£387 GBP
€491 EUR
View
A
Retailer 6
-
£403 GBP
ZAR 8,674 ZAR
View
A
Retailer 7
-
£433 GBP
$577 USD
View
A
Retailer 8
-
£447 GBP
View
Retailer 9
-
£536 GBP
$714 USD
View
Price last confirmed 24 days ago
A
Retailer 10
-
£547 GBP
A$1,121 AUD
View
A
Retailer 11
-
£778 GBP
$1,036 USD
View
B+
Retailer 12
-
£793 GBP
$1,056 USD
View
B+
Retailer 13
-
£923 GBP
$1,229 USD
View
B+
Retailer 14
-
£945 GBP
View
Retailer 15
-
£956 GBP
A$1,958 AUD
View
Price last confirmed 155 days ago
B+
Retailer 16
-
£962 GBP
$1,281 USD
View
Most Expensive
B
Brilliant Earth
11258829A · Oct 29
£2,178 GBP
$2,900 USD
View
16 more retailers have this diamond
Prices start from £212 GBPSave up to £1,966 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
1.54ct Asscher
£212 GBP