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Cushion|Lab Grown|IGI

8.31ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1

Diamond specifications and retailer prices

From $2,614 AUD
£1,446 GBP
As of November 1, 2026
Save $1,780 AUD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,394 AUD at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 8.31ct lab-grown cushion diamond

This 8.31ct 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. Listed at 2 retailers as of October 30, 2026, with prices from $2,614 to $4,394, a $1,780 spread on the same certified stone. Diamond Exchange Canada lists it at $4,394. 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

8.31
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.63 × 11.53 × 7.83 mm
L/W Ratio1.01
Top View
11.63 mm11.53 mm8.31 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdlePavilionCuletDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,394 AUD|Low: $2,613 AUD|High: $4,394 AUD|Avg: $3,514 AUD
Diamond Exchange Canada
Retailer 2
November 1, 2026
Retailer 2$2,614 AUD
Diamond Exchange Canada$4,394 AUD

37 data points across 2 retailers

2 retailers$2,614 AUD to $4,394 AUD

A
Cheapest Retailer
-
$2,614 AUD
£1,446 GBP
Most Expensive
B+
Diamond Exchange Canada
1986485894 · Oct 30
$4,394 AUD
CA$4,287 CAD
View
1 more retailer has this diamond
Prices start from $2,614 AUDSave up to $1,780 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.

A
8.31ct Cushion
$2,614 AUD