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Asscher|Lab Grown|IGI

4.53ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG831690937

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831690937

Diamond specifications and retailer prices

From $11,632 NZD
£5,153 GBP
As of November 2, 2026
Save $7,975 NZD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $19,607 NZD at Loose Grown Diamond · As of November 2, 2026
View at Loose Grown Diamond

About this 4.53ct lab-grown asscher diamond

This 4.53ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831690937 or 831690937. Listed at 2 retailers as of November 2, 2026, with prices from $11,632 to $19,607, a $7,975 spread on the same certified stone. Loose Grown Diamond lists it at $19,607. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.53
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831690937
Dimensions9.17 × 9.08 × 5.84 mm
L/W Ratio1.01
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
Top View
9.17 mm9.08 mm4.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831690937
Side View
Table 64.0%Crown 30.9°Girdle: Slightly ThickPavilion 39.4°CuletDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $19,607 NZD|Low: $11,632 NZD|High: $19,607 NZD|Avg: $15,620 NZD
Loose Grown Diamond
Retailer 2
November 2, 2026
Retailer 2$11,632 NZD
Loose Grown Diamond$19,607 NZD

1 data point across 2 retailers

2 retailers$11,632 NZD to $19,607 NZD

A
Cheapest Retailer
-
$11,632 NZD
£5,153 GBP
Most Expensive
B+
Loose Grown Diamond
831690937 · Nov 2
$19,607 NZD
$11,032 USD
View
1 more retailer has this diamond
Prices start from $11,632 NZDSave up to $7,975 NZD

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
4.53ct Asscher
$11,632 NZD