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Cushion|Lab Grown|IGI

6.54ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG815681057

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815681057

Diamond specifications and retailer prices

From $1,624 AUD
£899 GBP
As of October 27, 2026
Save $7,405 AUD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,029 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 6.54ct lab-grown cushion diamond

This 6.54ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815681057 or 815681057. Listed at 17 retailers as of October 27, 2026, with prices from $1,624 to $9,029, a $7,405 spread on the same certified stone. Brilliant Earth lists it at $9,029. 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

6.54
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815681057
Dimensions12.64 × 9.44 × 6.29 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
12.64 mm9.44 mm6.54 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815681057
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $9,029 AUD|Low: $1,459 AUD|High: $9,029 AUD|Avg: $4,115 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 9$1,459 AUD
Retailer 14$1,624 AUD
Retailer 11$1,729 AUD
Retailer 4$1,820 AUD
Retailer 8$2,097 AUD
Retailer 2$2,287 AUD
Retailer 15$2,314 AUD
Retailer 3$2,423 AUD
Retailer 18$3,078 AUD
Retailer 6$4,182 AUD
Retailer 5$4,571 AUD
Retailer 7$4,728 AUD
Retailer 13$5,020 AUD
Retailer 17$5,154 AUD
Retailer 10$7,005 AUD
Retailer 12$7,171 AUD
Retailer 16$8,332 AUD
Brilliant Earth$9,029 AUD

35 data points across 18 retailers

17 retailers$1,624 AUD to $9,029 AUD

A
Cheapest Retailer
-
$1,624 AUD
£899 GBP
A
Retailer 2
-
$1,729 AUD
HK$9,500 HKD
View
A
Retailer 3
-
$1,820 AUD
$1,280 USD
View
A
Retailer 4
-
$2,097 AUD
$1,475 USD
View
A
Retailer 5
-
$2,287 AUD
€1,532 EUR
View
A
Retailer 6
-
$2,314 AUD
£1,281 GBP
View
B+
Retailer 7
-
$2,423 AUD
$1,704 USD
View
A
Retailer 8
-
$3,078 AUD
$2,165 USD
View
A
Retailer 9
-
$4,182 AUD
£2,316 GBP
View
A
Retailer 10
-
$4,571 AUD
$3,215 USD
View
B+
Retailer 11
-
$4,728 AUD
$3,325 USD
View
B+
Retailer 12
-
$5,020 AUD
SGD 4,771 SGD
View
B+
Retailer 13
-
$5,154 AUD
£2,854 GBP
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$7,005 AUD
View
Price last confirmed 20 days ago
B
Retailer 15
-
$7,171 AUD
$5,043 USD
View
B
Retailer 16
-
$8,332 AUD
$5,860 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20541479A · Oct 28
$9,029 AUD
$6,350 USD
View
16 more retailers have this diamond
Prices start from $1,624 AUDSave up to $7,405 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
6.54ct Cushion
$1,624 AUD