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Cushion|Lab Grown|IGI

70.28ct I VS2 Cushion Lab Grown Diamond

ID • I/VS2 • IGI LG841689454

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

Certificate IGI LG841689454

Diamond specifications and retailer prices

From $90,286 AUD
$63,497 USD
As of October 26, 2026
2 retailers carry this diamond
Most expensive: $403,508 AUD at Adiamor · As of October 28, 2026
View at Adiamor

About this 70.28ct lab-grown cushion diamond

This 70.28ct lab-grown cushion sits in the over five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841689454 or 841689454. Listed at 2 retailers as of October 26, 2026. 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

70.28
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle29.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841689454
Dimensions23.39 × 22.26 × 13.78 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
23.39 mm22.26 mm70.28 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841689454
Side View
Table 66.0%Crown 34.2°Girdle: THK-VTKPavilion 29.3°Culet: NoneDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 26
Current: $403,508 AUD|Low: $90,286 AUD|High: $417,993 AUD|Avg: $243,017 AUD|-0.6%
Adiamor
Retailer 2
October 26, 2026
Retailer 2$90,286 AUD
Adiamor$403,508 AUD

9 data points across 2 retailers

2 retailers

B
Cheapest Retailer
-
$90,286 AUD
$63,497 USD
Most Expensive
B
Adiamor
D-82467663 · Oct 28
$403,508 AUD
$283,781 USD
View
Price under review
1 more retailer has this diamond
Prices start from $90,286 AUD

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
70.28ct Cushion
$90,286 AUD