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Cushion|Lab Grown|IGI

6.51ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG743546655

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG743546655

Diamond specifications and retailer prices

From $13,579 NZD
$7,640 USD
As of October 31, 2026
Save $5,083 NZD (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $18,662 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 6.51ct lab-grown cushion diamond

This 6.51ct 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 LG743546655 or 743546655. Listed at 7 retailers as of October 29, 2026, with prices from $13,579 to $18,662, a $5,083 spread on the same certified stone. Do Amore Diamonds lists it at $18,662. 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

6.51
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743546655
Dimensions13.11 × 9.59 × 6.43 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.11 mm9.59 mm6.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743546655
Side View
Table 62.0%Crown 37.4°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 67.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $18,662 NZD|Low: $3,430 NZD|High: $18,662 NZD|Avg: $7,105 NZD
Do Amore Diamonds
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
October 28, 2026
Retailer 2$3,430 NZD
Retailer 9$3,430 NZD
Retailer 5$3,517 NZD
Retailer 15$3,585 NZD
Retailer 7$3,629 NZD
Retailer 13$4,696 NZD
Retailer 16$4,772 NZD
Retailer 11$4,983 NZD
Retailer 4$6,569 NZD
Retailer 14$6,947 NZD
Retailer 6$7,564 NZD
Retailer 8$7,994 NZD
Retailer 10$8,659 NZD
Retailer 3$10,353 NZD
Retailer 12$13,579 NZD
Do Amore Diamonds$18,662 NZD

20 data points across 16 retailers

7 retailers$13,579 NZD to $18,662 NZD

Retailer 1
-
$3,430 NZD
$1,930 USD
Price last confirmed 7 days ago
Retailer 2
-
$3,430 NZD
$1,930 USD
View
Price last confirmed 6 days ago
Retailer 3
-
$4,696 NZD
$2,642 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$4,983 NZD
A$4,313 AUD
View
Price last confirmed 12 days ago
Retailer 5
-
$8,659 NZD
£3,836 GBP
View
Price last confirmed 7 days ago
B
Retailer 6
-
$13,579 NZD
$7,640 USD
View
Most Expensive
B
Do Amore Diamonds
27-3531B202E · Oct 29
$18,662 NZD
$10,500 USD
View
6 more retailers have this diamond
Prices start from $13,579 NZDSave up to $5,083 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.

B
6.51ct Cushion
$13,579 NZD