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Cushion|Lab Grown|IGI

8.54ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG846643382

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846643382

Diamond specifications and retailer prices

From $1,798 AUD
$1,263 USD
As of October 31, 2026
Save $6,986 AUD (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,784 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.54ct lab-grown cushion diamond

This 8.54ct 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 LG846643382 or 846643382. Listed at 3 retailers as of October 31, 2026, with prices from $1,798 to $8,784, a $6,986 spread on the same certified stone. Brilliant Earth lists it at $8,784. 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

8.54
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846643382
Dimensions14.34 × 10.68 × 7.06 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.34 mm10.68 mm8.54 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846643382
Side View
Table 63.0%Crown 35.1°Girdle: MED-THKPavilion 35.8°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $8,784 AUD|Low: $1,798 AUD|High: $8,784 AUD|Avg: $4,671 AUD
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$1,798 AUD
Retailer 2$2,764 AUD
Brilliant Earth$8,784 AUD

17 data points across 3 retailers

3 retailers$1,798 AUD to $8,784 AUD

A
Cheapest Retailer
-
$1,798 AUD
$1,263 USD
Final sale: no returns
A
Retailer 2
-
$2,764 AUD
£1,529 GBP
View
Most Expensive
B
Brilliant Earth
22002599A · Oct 31
$8,784 AUD
$6,170 USD
View
2 more retailers have this diamond
Prices start from $1,798 AUDSave up to $6,986 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
8.54ct Cushion
$1,798 AUD