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Cushion|Lab Grown|IGI

6.50ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG846631328

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846631328

Diamond specifications and retailer prices

From $1,451 AUD
$1,017 USD
As of November 1, 2026
Save $7,909 AUD (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $9,360 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.5ct lab-grown cushion diamond

This 6.5ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846631328 or 846631328. Listed at 3 retailers as of October 31, 2026, with prices from $1,451 to $9,360, a $7,909 spread on the same certified stone. Brilliant Earth lists it at $9,360. 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

6.50
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846631328
Dimensions13.16 × 9.66 × 6.43 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.16 mm9.66 mm6.50 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846631328
Side View
Table 60.0%Crown 36.9°Girdle: THN-STKPavilion 35.1°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $9,360 AUD|Low: $1,451 AUD|High: $9,375 AUD|Avg: $4,799 AUD|-0.2%
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$1,451 AUD
Retailer 2$2,354 AUD
Brilliant Earth$9,360 AUD

18 data points across 3 retailers

3 retailers$1,451 AUD to $9,360 AUD

A
Cheapest Retailer
-
$1,451 AUD
$1,017 USD
Final sale: no returns
A
Retailer 2
-
$2,354 AUD
£1,299 GBP
View
Most Expensive
B
Brilliant Earth
22151122A · Oct 31
$9,360 AUD
$6,560 USD
View
2 more retailers have this diamond
Prices start from $1,451 AUDSave up to $7,909 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
6.50ct Cushion
$1,451 AUD