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Asscher|Lab Grown|IGI

1.50ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG510186760

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG510186760

Diamond specifications and retailer prices

From £1,580 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: £1,580 GBP 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510186760 or 510186760. Listed at a single retailer as of October 29, 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510186760
Dimensions6.44 × 6.31 × 4.01 mm
L/W Ratio1.02
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
6.44 mm6.31 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510186760
Side View
Table 66.0%Crown 26.9°Girdle: MediumPavilion 38.5°Culet: NoneDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £1,049 GBP|Low: £769 GBP|High: £2,193 GBP|Avg: £1,396 GBP|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
May 30, 2026
Retailer 2£821 GBP
Retailer 5£976 GBP
Retailer 4£1,002 GBP
Retailer 6£1,011 GBP
Retailer 1£1,049 GBP
Retailer 9£1,381 GBP
Retailer 3£1,597 GBP
Retailer 8£1,822 GBP
Retailer 7£2,193 GBP

76 data points across 9 retailers

1 retailer

B
Diamond Quarter
1.5SI1DLG60CC6FN · Oct 29
£1,580 GBP
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B
1.50ct Asscher
£1,580 GBP