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Cushion|Lab Grown|IGI

1.70ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG515237550

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

Certificate IGI LG515237550

Diamond specifications and retailer prices

From $2,577 AUD
$1,810 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $2,577 AUD at Brilliant Earth
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 Brilliant Earth

About this 1.7ct lab-grown cushion diamond

This 1.7ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG515237550 or 515237550. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515237550
Dimensions6.94 × 6.67 × 4.49 mm
L/W Ratio1.04
Girdle conditionFaceted
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
6.94 mm6.67 mm1.70 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515237550
Side View
Table 57.5%Crown 36.9°Girdle: THN-STKPavilion 35.3°Culet: NoneDepth 67.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $2,577 AUD|Low: $2,577 AUD|High: $2,577 AUD|Avg: $2,577 AUD
December 30, 2025
Brilliant Earth$2,577 AUD

4 data points across 1 retailer

1 retailer

B
Brilliant Earth
9248278Y · Oct 29
$2,577 AUD
$1,810 USD
View

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B
1.70ct Cushion
$2,577 AUD