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Asscher|Lab Grown|IGI

0.99ct H SI1 Asscher Lab Grown Diamond

EX • H/SI1 • IGI LG632479474

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG632479474

Diamond specifications and retailer prices

From £281 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: £281 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 0.99ct lab-grown asscher diamond

This 0.99ct lab-grown asscher sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG632479474 or 632479474. 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

0.99
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632479474
Dimensions5.60 × 5.37 × 3.68 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.60 mm5.37 mm0.99 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632479474
Side View
Table 63.0%Crown 39.2°Girdle: MediumPavilion 40.5°CuletDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £281 GBP|Low: £281 GBP|High: £281 GBP|Avg: £281 GBP
September 26, 2026
Diamond Quarter£281 GBP

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
0.99SI1HLG74D17CN · Oct 31
£281 GBP
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B+
0.99ct Asscher
£281 GBP