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Asscher|Lab Grown|IGI

2.57ct F SI1 Asscher Lab Grown Diamond

EX • F/SI1 • IGI LG677580427

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG677580427

Diamond specifications and retailer prices

From $1,233 USD
£971 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,233 USD 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 2.57ct lab-grown asscher diamond

This 2.57ct lab-grown asscher sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677580427 or 677580427. Listed at a single retailer as of November 2, 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

2.57
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677580427
Dimensions7.53 × 7.50 × 4.93 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm7.50 mm2.57 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677580427
Side View
Table 63.0%Crown 35.6°Girdle: Slightly ThickPavilion 39.6°CuletDepth 65.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,233 USD|Low: $1,233 USD|High: $1,233 USD|Avg: $1,233 USD
September 26, 2026
Diamond Quarter$1,233 USD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
2.57SI1FLG275E1EN · Nov 2
$1,233 USD
£971 GBP
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B+
2.57ct Asscher
$1,233 USD