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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 $1,918 AUD
$1,344 USD
As of November 1, 2026
Save $13,293 AUD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,211 AUD 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 $1,918 to $15,211, a $13,293 spread on the same certified stone. Do Amore Diamonds lists it at $15,211. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,091 AUD|Low: $1,918 AUD|High: $12,542 AUD|Avg: $4,695 AUD|-0.5%
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$1,918 AUD
Retailer 7$1,986 AUD
Retailer 11$2,648 AUD
Retailer 1$3,091 AUD
Retailer 9$3,151 AUD
Retailer 6$3,153 AUD
Retailer 5$4,062 AUD
Retailer 2$5,284 AUD
Retailer 8$5,699 AUD
Retailer 4$7,044 AUD
Retailer 3$12,542 AUD

42 data points across 11 retailers

13 retailers$1,918 AUD to $15,211 AUD

A
Cheapest Retailer
-
$1,918 AUD
$1,344 USD
Final sale: no returns
Retailer 2
-
$1,986 AUD
$1,392 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$2,648 AUD
$1,856 USD
View
A
Retailer 4
-
$3,091 AUD
£1,706 GBP
View
A
Retailer 5
-
$3,151 AUD
$2,208 USD
View
A
Retailer 6
-
$3,153 AUD
$2,210 USD
View
A
Retailer 7
-
$3,280 AUD
$2,299 USD
View
B+
Retailer 8
-
$4,062 AUD
View
B+
Retailer 9
-
$5,284 AUD
£2,916 GBP
View
B+
Retailer 10
-
$5,699 AUD
$3,994 USD
View
B+
Retailer 11
-
$7,044 AUD
£3,887 GBP
View
B
Retailer 12
-
$7,776 AUD
$5,449 USD
View
Most Expensive
B
Do Amore Diamonds
27-D4E4CD6EA · Nov 2
$15,211 AUD
$10,660 USD
View
12 more retailers have this diamond
Prices start from $1,918 AUDSave up to $13,293 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
6.56ct Cushion
$1,918 AUD