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Cushion|Lab Grown|IGI

6.56ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG589390931

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG589390931

Diamond specifications and retailer prices

From $1,344 USD
As of November 1, 2026
Save $9,316 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,660 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 6.56ct lab-grown cushion diamond

This 6.56ct 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 LG589390931 or 589390931. Listed at 13 retailers as of November 1, 2026, with prices from $1,344 to $10,660, a $9,316 spread on the same certified stone. Do Amore Diamonds lists it at $10,660. 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

6.56
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589390931
Dimensions10.94 × 10.73 × 7.23 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
10.94 mm10.73 mm6.56 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589390931
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
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: Nov 1
Current: $2,166 USD|Low: $1,344 USD|High: $8,790 USD|Avg: $3,291 USD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$1,344 USD
Retailer 7$1,392 USD
Retailer 11$1,856 USD
Retailer 1$2,166 USD
Retailer 9$2,208 USD
Retailer 6$2,210 USD
Retailer 5$2,847 USD
Retailer 2$3,703 USD
Retailer 8$3,994 USD
Retailer 4$4,936 USD
Retailer 3$8,790 USD

43 data points across 11 retailers

13 retailers$1,344 USD to $10,660 USD

A
Cheapest Retailer
-
$1,344 USD
Final sale: no returns
Retailer 2
-
$1,392 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$1,856 USD
View
A
Retailer 4
-
$2,166 USD
£1,706 GBP
View
A
Retailer 5
-
$2,208 USD
View
A
Retailer 6
-
$2,210 USD
View
A
Retailer 7
-
$2,299 USD
View
B+
Retailer 8
-
$2,847 USD
A$4,380 AUD
View
B+
Retailer 9
-
$3,703 USD
£2,916 GBP
View
B+
Retailer 10
-
$3,994 USD
View
B+
Retailer 11
-
$4,936 USD
£3,887 GBP
View
B
Retailer 12
-
$5,449 USD
View
Most Expensive
B
Do Amore Diamonds
27-D4E4CD6EA · Nov 2
$10,660 USD
View
12 more retailers have this diamond
Prices start from $1,344 USDSave up to $9,316 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
6.56ct Cushion
$1,344 USD