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Asscher|Lab Grown|IGI

1.50ct F SI1 Asscher Lab Grown Diamond

EX • F/SI1 • IGI LG578313231

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG578313231

Diamond specifications and retailer prices

From €646 EUR
£571 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €646 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 1.5ct lab-grown asscher diamond

This 1.5ct lab-grown asscher sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG578313231 or 578313231. 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

1.50
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578313231
Dimensions6.27 × 6.26 × 4.22 mm
L/W Ratio1.00
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
6.27 mm6.26 mm1.50 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578313231
Side View
Table 64.0%Crown 35.8°Girdle: MediumPavilion 44°Culet: NoneDepth 67.4%

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: €646 EUR|Low: €646 EUR|High: €1,186 EUR|Avg: €1,096 EUR
Diamond Quarter
Retailer 2
September 26, 2026
Diamond Quarter€646 EUR
Retailer 2€1,186 EUR

5 data points across 2 retailers

1 retailer

B
Diamond Quarter
1.5SI1FLG316E75N · Oct 31
€646 EUR
£571 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
1.50ct Asscher
€646 EUR