Asscher|Lab Grown|IGI

1.45ct G IF Asscher Lab Grown Diamond

ID • G/IF • IGI LG620497945

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620497945

Diamond specifications and retailer prices

From $838 USD
£660 GBP
As of October 31, 2026
2 retailers carry this diamond
Most expensive: $1,904 USD at Rare Carat · As of September 6, 2026
View at Rare Carat

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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620497945 or 620497945. Listed at 2 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620497945
Dimensions6.33 × 6.10 × 4.03 mm
L/W Ratio1.04
Culet sizeNone
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 Faint Blue
Top View
6.33 mm6.10 mm1.45 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620497945
Side View
Table 66.0%Crown 38.9°Girdle: Slightly ThickPavilion 39.8°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,904 USD|Low: $224 USD|High: $2,390 USD|Avg: $940 USD|-0.7%
Rare Carat
Retailer 2
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Retailer 13
September 8, 2026
Retailer 13$224 USD
Retailer 10$510 USD
Retailer 7$552 USD
Retailer 9$579 USD
Retailer 8$586 USD
Retailer 2$599 USD
Retailer 4$903 USD
Retailer 3$1,027 USD
Retailer 5$1,136 USD
Retailer 12$1,176 USD
Retailer 11$1,265 USD
Rare Carat$1,904 USD
Retailer 6$2,390 USD

75 data points across 13 retailers

2 retailers

A
Cheapest Retailer
-
$838 USD
£660 GBP
Most Expensive
Rare Carat
14345_l_620497945 · Sep 6
$1,904 USD
View
Price last confirmed 56 days ago
1 more retailer has this diamond
Prices start from $838 USD

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.

A
1.45ct Asscher
$838 USD