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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 $2,389 NZD
$1,344 USD
As of November 1, 2026
Save $16,557 NZD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,946 NZD 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 $2,389 to $18,946, a $16,557 spread on the same certified stone. Do Amore Diamonds lists it at $18,946. 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: $3,812 NZD|Low: $2,389 NZD|High: $15,622 NZD|Avg: $5,844 NZD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 10$2,389 NZD
Retailer 7$2,474 NZD
Retailer 11$3,299 NZD
Retailer 1$3,812 NZD
Retailer 9$3,924 NZD
Retailer 6$3,928 NZD
Retailer 5$5,060 NZD
Retailer 2$6,582 NZD
Retailer 8$7,099 NZD
Retailer 4$8,774 NZD
Retailer 3$15,622 NZD

43 data points across 11 retailers

13 retailers$2,389 NZD to $18,946 NZD

A
Cheapest Retailer
-
$2,389 NZD
$1,344 USD
Final sale: no returns
Retailer 2
-
$2,474 NZD
$1,392 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$3,299 NZD
$1,856 USD
View
A
Retailer 4
-
$3,812 NZD
£1,689 GBP
View
A
Retailer 5
-
$3,924 NZD
$2,208 USD
View
A
Retailer 6
-
$3,928 NZD
$2,210 USD
View
A
Retailer 7
-
$4,086 NZD
$2,299 USD
View
B+
Retailer 8
-
$5,060 NZD
A$4,380 AUD
View
B+
Retailer 9
-
$6,582 NZD
£2,916 GBP
View
B+
Retailer 10
-
$7,099 NZD
$3,994 USD
View
B+
Retailer 11
-
$8,774 NZD
£3,887 GBP
View
B
Retailer 12
-
$9,685 NZD
$5,449 USD
View
Most Expensive
B
Do Amore Diamonds
27-D4E4CD6EA · Nov 2
$18,946 NZD
$10,660 USD
View
12 more retailers have this diamond
Prices start from $2,389 NZDSave up to $16,557 NZD

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
$2,389 NZD