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Asscher|Lab Grown|IGI

1.80ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG766657049

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG766657049

Diamond specifications and retailer prices

From £168 GBP
As of November 4, 2026
Save £843 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,010 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.8ct lab-grown asscher diamond

This 1.8ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766657049 or 766657049. Listed at 17 retailers as of November 4, 2026, with prices from £168 to £1,010, a £843 spread on the same certified stone. Brilliant Earth lists it at £1,010. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.80
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766657049
Dimensions6.74 × 6.71 × 4.10 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.74 mm6.71 mm1.80 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766657049
Side View
Table 64.0%Crown 29.3°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,010 GBP|Low: £160 GBP|High: £1,010 GBP|Avg: £453 GBP
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
November 6, 2026
Retailer 17£168 GBP
Retailer 4£188 GBP
Retailer 15£195 GBP
Retailer 7£209 GBP
Retailer 14£209 GBP
Retailer 2£265 GBP
Retailer 5£354 GBP
Retailer 13£369 GBP
Retailer 12£375 GBP
Retailer 10£385 GBP
Retailer 16£405 GBP
Retailer 8£549 GBP
Retailer 6£670 GBP
Retailer 3£709 GBP
Retailer 11£833 GBP
Retailer 9£884 GBP
Brilliant Earth£1,010 GBP

33 data points across 17 retailers

17 retailers£168 GBP to £1,010 GBP

A
Cheapest Retailer
-
£168 GBP
A
Retailer 2
-
£188 GBP
View
Final sale: no returns
A
Retailer 3
-
£195 GBP
View
A
Retailer 4
-
£209 GBP
View
Retailer 5
-
£209 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£265 GBP
View
B+
Retailer 7
-
£354 GBP
View
A
Retailer 8
-
£369 GBP
View
Retailer 9
-
£375 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
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£385 GBP
View
A
Retailer 11
-
£405 GBP
View
B+
Retailer 12
-
£549 GBP
View
B+
Retailer 13
-
£670 GBP
View
B+
Retailer 14
-
£709 GBP
View
B
Retailer 15
-
£833 GBP
View
B
Retailer 16
-
£884 GBP
View
Most Expensive
B
Brilliant Earth
17708639A · Nov 4
£1,010 GBP
$1,360 USD
View
16 more retailers have this diamond
Prices start from £168 GBPSave up to £843 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
1.80ct Asscher
£168 GBP