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Cushion|Lab Grown|IGI

54.12ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG810625657

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG810625657

Diamond specifications and retailer prices

This diamond has been sold
Last seen: Jul 27, 2026 at $174,049 AUD
$174,049 AUDlast known price
$122,277 USD

About this 54.12ct lab-grown cushion diamond

This 54.12ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG810625657 or 810625657. 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

54.12
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle52.2°
Pavilion angle26.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810625657
Dimensions21.39 × 20.90 × 12.52 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.39 mm20.90 mm54.12 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810625657
Side View
Table 69.0%Crown 52.2°Girdle: STK-VTKPavilion 26.6°Culet: NoneDepth 59.9%

Caratlytics Score

Price History

Last verified: Jul 27
Current: $151,013 AUD|Low: $151,013 AUD|High: $262,706 AUD|Avg: $199,762 AUD
Adiamor
B2C Jewels
Loose Grown Diamond
July 27, 2026
Adiamor$151,013 AUD
B2C Jewels$174,049 AUD
Loose Grown Diamond$262,706 AUD

3 data points across 3 retailers

Historical Listings

Adiamor
D-81102056 · Jul 27
$151,013 AUD
$106,093 USD
View
B2C Jewels
35679388 · Jul 27
$174,049 AUD
$122,277 USD
View
Loose Grown Diamond
810625657 · Jul 26
$262,706 AUD
$184,562 USD
View

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