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Cushion|Lab Grown|IGI

3.12ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG500150574

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG500150574

Diamond specifications and retailer prices

From $5,494 AUD
$3,850 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $5,494 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 3.12ct lab-grown cushion diamond

This 3.12ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500150574 or 500150574. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.12
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500150574
Dimensions8.43 × 8.00 × 5.17 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
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
8.43 mm8.00 mm3.12 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500150574
Side View
Table 61.0%Crown 33.2°Girdle: THK-VTKPavilion 32.2°Culet: NoneDepth 64.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $5,494 AUD|Low: $5,494 AUD|High: $40,585 AUD|Avg: $18,584 AUD|-56.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
July 26, 2026
Brilliant Earth$5,494 AUD
Retailer 2$9,580 AUD
Retailer 9$11,629 AUD
Retailer 5$12,808 AUD
Retailer 7$14,189 AUD
Retailer 3$16,043 AUD
Retailer 8$17,902 AUD
Retailer 6$19,919 AUD
Retailer 4$36,335 AUD

63 data points across 9 retailers

1 retailer

B
Brilliant Earth
19768878A · Nov 2
$5,494 AUD
$3,850 USD
View

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B
3.12ct Cushion
$5,494 AUD