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Cushion|Lab Grown|IGI

6.50ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG797618457

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797618457

Diamond specifications and retailer prices

From $3,277 NZD
$1,844 USD
As of November 1, 2026
Save $13,518 NZD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $24,265 NZD at Queensmith · As of October 9, 2026
View at Queensmith

About this 6.5ct lab-grown cushion diamond

This 6.5ct 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 LG797618457 or 797618457. Listed at 17 retailers as of November 1, 2026, with a 412% 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

6.50
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797618457
Dimensions11.52 × 9.63 × 6.89 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.52 mm9.63 mm6.50 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG797618457
Side View
Table 63.0%Crown 35.7°Girdle: THK-VTKPavilion 36.5°Culet: NoneDepth 71.5%

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: $5,255 NZD|Low: $3,277 NZD|High: $16,813 NZD|Avg: $6,870 NZD|-4.2%
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
November 2, 2026
Retailer 6$3,277 NZD
Retailer 14$3,395 NZD
Retailer 13$3,533 NZD
Retailer 2$3,697 NZD
Retailer 5$3,992 NZD
Retailer 7$4,811 NZD
Retailer 10$4,852 NZD
Retailer 1$5,255 NZD
Retailer 9$6,570 NZD
Retailer 4$9,150 NZD
Retailer 8$9,697 NZD
Retailer 3$9,846 NZD
Retailer 11$11,561 NZD
Retailer 12$16,795 NZD

40 data points across 14 retailers

17 retailers$3,277 NZD to $16,795 NZD

A
Cheapest Retailer
-
$3,277 NZD
$1,844 USD
Final sale: no returns
Retailer 2
-
$3,395 NZD
$1,910 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$3,697 NZD
$2,080 USD
View
A
Retailer 4
-
$3,992 NZD
$2,246 USD
View
A
Retailer 5
-
$4,811 NZD
£2,132 GBP
View
A
Retailer 6
-
$4,852 NZD
$2,730 USD
View
A
Retailer 7
-
$5,255 NZD
€2,816 EUR
View
A
Retailer 8
-
$6,570 NZD
ZAR 59,715 ZAR
View
B+
Retailer 9
-
$7,015 NZD
£3,108 GBP
View
B+
Retailer 10
-
$8,428 NZD
$4,742 USD
View
B+
Retailer 11
-
$9,150 NZD
$5,148 USD
View
B+
Retailer 12
-
$9,697 NZD
£4,296 GBP
View
B+
Retailer 13
-
$9,846 NZD
$5,540 USD
View
Retailer 14
-
$11,561 NZD
$6,505 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$11,918 NZD
$6,706 USD
View
B
Retailer 16
-
$16,795 NZD
$9,450 USD
View
Most Expensive
Queensmith
LG797618457 · Oct 9
$24,265 NZD
£10,750 GBP
View
Price last confirmed 24 days ago
16 more retailers have this diamond
Prices start from $3,277 NZDSave up to $13,518 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
6.50ct Cushion
$3,277 NZD