Asscher|Lab Grown|IGI

1.64ct G SI1 Asscher Lab Grown Diamond

ID • G/SI1 • IGI LG617473311

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG617473311

Diamond specifications and retailer prices

From $971 USD
£765 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $971 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 1.64ct lab-grown asscher diamond

This 1.64ct lab-grown asscher sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617473311 or 617473311. 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

1.64
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617473311
Dimensions6.50 × 6.42 × 4.31 mm
L/W Ratio1.01
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
6.50 mm6.42 mm1.64 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617473311
Side View
Table 64.0%Crown 36.7°Girdle: MediumPavilion 38.1°Culet: NoneDepth 67.1%

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: $653 USD|Low: $447 USD|High: $1,910 USD|Avg: $1,056 USD|-6.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
March 18, 2026
Retailer 4$447 USD
Retailer 1$653 USD
Retailer 3$770 USD
Retailer 5$1,003 USD
Retailer 2$1,620 USD
Retailer 6$1,910 USD

26 data points across 6 retailers

1 retailer

B
Diamond Quarter
1.64SI1GLG116B28N · Oct 29
$971 USD
£765 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
1.64ct Asscher
$971 USD