Asscher|Lab Grown|IGI

1.73ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG621467344

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG621467344

Diamond specifications and retailer prices

From £218 GBP
$290 USD
As of October 27, 2026
Save £3,184 GBP (94%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,402 GBP at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.73ct lab-grown asscher diamond

This 1.73ct 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 LG621467344 or 621467344. Listed at 23 retailers as of October 24, 2026, with prices from £218 to £3,402, a £3,184 spread on the same certified stone. Brilliant Earth lists it at £3,402. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle44.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621467344
Dimensions6.55 × 6.54 × 4.35 mm
L/W Ratio1.00
Culet sizeNone
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
6.55 mm6.54 mm1.73 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621467344
Side View
Table 67.0%Crown 36.1°Girdle: MediumPavilion 44.5°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £3,402 GBP|Low: £218 GBP|High: £3,402 GBP|Avg: £867 GBP
Brilliant Earth
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October 30, 2026
Retailer 3£218 GBP
Retailer 6£244 GBP
Retailer 23£252 GBP
Retailer 20£270 GBP
Retailer 22£270 GBP
Retailer 2£279 GBP
Retailer 7£387 GBP
Retailer 16£421 GBP
Retailer 9£444 GBP
Retailer 18£464 GBP
Retailer 5£472 GBP
Retailer 13£478 GBP
Retailer 17£628 GBP
Retailer 19£830 GBP
Retailer 21£868 GBP
Retailer 14£905 GBP
Retailer 4£971 GBP
Retailer 12£1,039 GBP
Retailer 11£1,088 GBP
Retailer 15£1,111 GBP
Retailer 10£1,112 GBP
Retailer 8£2,497 GBP
Brilliant Earth£3,402 GBP

36 data points across 23 retailers

23 retailers£218 GBP to £3,402 GBP

A
Cheapest Retailer
-
£218 GBP
$290 USD
A
Retailer 2
-
£244 GBP
$325 USD
View
Final sale: no returns
A
Retailer 3
-
£252 GBP
$336 USD
View
A
Retailer 4
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£270 GBP
$360 USD
View
A
Retailer 5
-
£270 GBP
$360 USD
View
A
Retailer 6
-
£279 GBP
View
A
Retailer 7
-
£387 GBP
$515 USD
View
A
Retailer 8
-
£444 GBP
$591 USD
View
A
Retailer 9
-
£464 GBP
ZAR 9,982 ZAR
View
A
Retailer 10
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£472 GBP
$629 USD
View
A
Retailer 11
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£478 GBP
View
A
Retailer 12
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£628 GBP
A$1,287 AUD
View
B+
Retailer 13
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£830 GBP
$1,105 USD
View
B+
Retailer 14
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£868 GBP
$1,156 USD
View
B+
Retailer 15
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£905 GBP
$1,205 USD
View
B+
Retailer 16
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£971 GBP
$1,293 USD
View
B+
Retailer 17
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£983 GBP
View
B+
Retailer 18
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£1,039 GBP
$1,383 USD
View
B+
Retailer 19
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£1,088 GBP
View
Retailer 20
-
£1,111 GBP
A$2,277 AUD
View
Price last confirmed 25 days ago
B+
Retailer 21
-
£1,112 GBP
$1,481 USD
View
Retailer 22
-
£2,497 GBP
$3,325 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
14247536A · Oct 24
£3,402 GBP
$4,530 USD
View
22 more retailers have this diamond
Prices start from £218 GBPSave up to £3,184 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
1.73ct Asscher
£218 GBP