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Cushion|Lab Grown|IGI

6.55ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG848623398

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG848623398

Diamond specifications and retailer prices

From $1,478 AUD
$1,036 USD
As of November 1, 2026
Save $7,954 AUD (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $9,432 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.55ct lab-grown cushion diamond

This 6.55ct 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 LG848623398 or 848623398. Listed at 3 retailers as of October 31, 2026, with prices from $1,478 to $9,432, a $7,954 spread on the same certified stone. Brilliant Earth lists it at $9,432. 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

6.55
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848623398
Dimensions13.15 × 9.70 × 6.44 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
13.15 mm9.70 mm6.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848623398
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,420 AUD|Low: $1,478 AUD|High: $2,539 AUD|Avg: $2,156 AUD|-4.5%
Retailer 1
Retailer 2
November 2, 2026
Retailer 2$1,478 AUD
Retailer 1$2,420 AUD

9 data points across 2 retailers

3 retailers$1,478 AUD to $9,432 AUD

A
Cheapest Retailer
-
$1,478 AUD
$1,036 USD
Final sale: no returns
A
Retailer 2
-
$2,420 AUD
£1,335 GBP
View
Most Expensive
B
Brilliant Earth
22259828A · Oct 31
$9,432 AUD
$6,610 USD
View
2 more retailers have this diamond
Prices start from $1,478 AUDSave up to $7,954 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
6.55ct Cushion
$1,478 AUD