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Cushion|Lab Grown|IGI

6.59ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG797618416

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797618416

Diamond specifications and retailer prices

From $3,896 NZD
$2,192 USD
As of November 1, 2026
Save $13,006 NZD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $24,265 NZD at Queensmith · As of October 9, 2026
View at Queensmith

About this 6.59ct lab-grown cushion diamond

This 6.59ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797618416 or 797618416. Listed at 18 retailers as of November 1, 2026, with a 334% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.59
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797618416
Dimensions11.36 × 9.70 × 6.87 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm9.70 mm6.59 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797618416
Side View
Table 64.0%Crown 38.6°Girdle: THK-VTKPavilion 36.9°Culet: NoneDepth 70.8%

Caratlytics Score

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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: $6,267 NZD|Low: $3,896 NZD|High: $20,119 NZD|Avg: $8,201 NZD|-7.2%
Retailer 1
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
Retailer 17
November 2, 2026
Retailer 2$3,896 NZD
Retailer 17$4,036 NZD
Retailer 10$4,178 NZD
Retailer 4$4,337 NZD
Retailer 6$4,530 NZD
Retailer 11$5,551 NZD
Retailer 15$5,767 NZD
Retailer 1$6,267 NZD
Retailer 13$7,478 NZD
Retailer 8$7,665 NZD
Retailer 14$7,810 NZD
Retailer 7$8,817 NZD
Retailer 5$10,875 NZD
Retailer 12$11,525 NZD
Retailer 3$11,527 NZD
Retailer 9$14,128 NZD
Retailer 16$16,902 NZD

34 data points across 17 retailers

18 retailers$3,896 NZD to $16,902 NZD

A
Cheapest Retailer
-
$3,896 NZD
$2,192 USD
Final sale: no returns
Retailer 2
-
$4,036 NZD
$2,271 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$4,178 NZD
£1,851 GBP
View
A
Retailer 4
-
$4,337 NZD
$2,440 USD
View
A
Retailer 5
-
$4,530 NZD
$2,549 USD
View
A
Retailer 6
-
$5,551 NZD
£2,459 GBP
View
A
Retailer 7
-
$5,767 NZD
$3,245 USD
View
A
Retailer 8
-
$6,267 NZD
€3,358 EUR
View
B+
Retailer 9
-
$7,478 NZD
A$6,473 AUD
View
B+
Retailer 10
-
$7,665 NZD
£3,396 GBP
View
B+
Retailer 11
-
$7,810 NZD
ZAR 70,987 ZAR
View
B+
Retailer 12
-
$8,817 NZD
$4,961 USD
View
B+
Retailer 13
-
$10,875 NZD
$6,119 USD
View
B+
Retailer 14
-
$11,525 NZD
£5,106 GBP
View
B+
Retailer 15
-
$11,527 NZD
$6,486 USD
View
B
Retailer 16
-
$14,128 NZD
$7,949 USD
View
B
Retailer 17
-
$16,902 NZD
$9,510 USD
View
Most Expensive
Queensmith
LG797618416 · Oct 9
$24,265 NZD
£10,750 GBP
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from $3,896 NZDSave up to $13,006 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
6.59ct Cushion
$3,896 NZD