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 $1,142 USD
£899 GBP
As of October 27, 2026
Save $5,208 USD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,350 USD 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 $1,142 to $6,350, a $5,208 spread on the same certified stone. Brilliant Earth lists it at $6,350. 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
Color
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: $6,350 USD|Low: $1,026 USD|High: $6,350 USD|Avg: $2,894 USD
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
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Retailer 17
Retailer 18
October 29, 2026
Retailer 9$1,026 USD
Retailer 14$1,142 USD
Retailer 11$1,216 USD
Retailer 4$1,280 USD
Retailer 8$1,475 USD
Retailer 2$1,609 USD
Retailer 15$1,627 USD
Retailer 3$1,704 USD
Retailer 18$2,165 USD
Retailer 6$2,941 USD
Retailer 5$3,215 USD
Retailer 7$3,325 USD
Retailer 13$3,531 USD
Retailer 17$3,625 USD
Retailer 10$4,926 USD
Retailer 12$5,043 USD
Retailer 16$5,860 USD
Brilliant Earth$6,350 USD

35 data points across 18 retailers

17 retailers$1,142 USD to $6,350 USD

A
Cheapest Retailer
-
$1,142 USD
£899 GBP
A
Retailer 2
-
$1,216 USD
HK$9,500 HKD
View
A
Retailer 3
-
$1,280 USD
View
A
Retailer 4
-
$1,475 USD
View
A
Retailer 5
-
$1,609 USD
€1,532 EUR
View
A
Retailer 6
-
$1,627 USD
£1,281 GBP
View
B+
Retailer 7
-
$1,704 USD
View
A
Retailer 8
-
$2,165 USD
View
A
Retailer 9
-
$2,941 USD
£2,316 GBP
View
A
Retailer 10
-
$3,215 USD
View
B+
Retailer 11
-
$3,325 USD
View
B+
Retailer 12
-
$3,531 USD
SGD 4,771 SGD
View
B+
Retailer 13
-
$3,625 USD
£2,854 GBP
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$4,926 USD
A$7,579 AUD
View
Price last confirmed 20 days ago
B
Retailer 15
-
$5,043 USD
View
B
Retailer 16
-
$5,860 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20541479A · Oct 28
$6,350 USD
View
16 more retailers have this diamond
Prices start from $1,142 USDSave up to $5,208 USD

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
$1,142 USD