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Asscher|Lab Grown|IGI

1.45ct F SI1 Asscher Lab Grown Diamond

ID • F/SI1 • IGI LG620485933

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620485933

Diamond specifications and retailer prices

From $687 USD
£541 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $687 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 1.45ct lab-grown asscher diamond

This 1.45ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620485933 or 620485933. 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

1.45
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620485933
Dimensions6.21 × 6.20 × 4.14 mm
L/W Ratio1.00
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
6.21 mm6.20 mm1.45 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620485933
Side View
Table 64.0%Crown 36.2°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $510 USD|Low: $317 USD|High: $1,600 USD|Avg: $892 USD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
April 27, 2026
Retailer 4$319 USD
Retailer 3$384 USD
Retailer 1$510 USD
Retailer 5$639 USD
Retailer 6$923 USD
Retailer 2$1,500 USD
Retailer 7$1,580 USD

51 data points across 7 retailers

1 retailer

B
Diamond Quarter
1.45SI1FLG336DC5N · Nov 2
$687 USD
£541 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
1.45ct Asscher
$687 USD