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Asscher|Lab Grown|IGI

1.42ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG510171939

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG510171939

Diamond specifications and retailer prices

From €1,180 EUR
£1,038 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €1,180 EUR at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.42ct lab-grown asscher diamond

This 1.42ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510171939 or 510171939. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.42
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.2°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510171939
Dimensions6.23 × 6.21 × 4.25 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
6.23 mm6.21 mm1.42 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510171939
Side View
Table 61.0%Crown 27.2°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €859 EUR|Low: €636 EUR|High: €1,660 EUR|Avg: €1,150 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
May 30, 2026
Retailer 2€757 EUR
Retailer 5€759 EUR
Retailer 1€859 EUR
Retailer 6€886 EUR
Retailer 4€894 EUR
Retailer 8€1,156 EUR
Retailer 7€1,360 EUR
Retailer 3€1,459 EUR
Retailer 9€1,660 EUR

77 data points across 9 retailers

1 retailer

B
Diamond Quarter
1.42SI1ELG39D098N · Oct 31
€1,180 EUR
£1,038 GBP
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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.

B
1.42ct Asscher
€1,180 EUR