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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 $2,631 AUD
$1,844 USD
As of November 1, 2026
Save $10,853 AUD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,481 AUD 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,825 AUD|Low: $2,631 AUD|High: $13,498 AUD|Avg: $5,501 AUD|-1.4%
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 3, 2026
Retailer 6$2,631 AUD
Retailer 14$2,725 AUD
Retailer 13$2,836 AUD
Retailer 2$2,968 AUD
Retailer 5$3,205 AUD
Retailer 1$3,825 AUD
Retailer 10$3,895 AUD
Retailer 7$4,219 AUD
Retailer 9$5,274 AUD
Retailer 4$7,346 AUD
Retailer 8$7,785 AUD
Retailer 3$7,905 AUD
Retailer 11$9,282 AUD
Retailer 12$13,484 AUD

41 data points across 14 retailers

17 retailers$2,631 AUD to $13,484 AUD

A
Cheapest Retailer
-
$2,631 AUD
$1,844 USD
Final sale: no returns
Retailer 2
-
$2,725 AUD
$1,910 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$2,968 AUD
$2,080 USD
View
A
Retailer 4
-
$3,205 AUD
$2,246 USD
View
A
Retailer 5
-
$3,825 AUD
£2,111 GBP
View
A
Retailer 6
-
$3,895 AUD
$2,730 USD
View
A
Retailer 7
-
$4,219 AUD
€2,816 EUR
View
A
Retailer 8
-
$5,274 AUD
ZAR 59,715 ZAR
View
B+
Retailer 9
-
$5,632 AUD
£3,108 GBP
View
B+
Retailer 10
-
$6,766 AUD
$4,742 USD
View
B+
Retailer 11
-
$7,346 AUD
$5,148 USD
View
B+
Retailer 12
-
$7,785 AUD
£4,296 GBP
View
B+
Retailer 13
-
$7,905 AUD
$5,540 USD
View
Retailer 14
-
$9,282 AUD
$6,505 USD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$9,568 AUD
$6,706 USD
View
B
Retailer 16
-
$13,484 AUD
$9,450 USD
View
Most Expensive
Queensmith
LG797618457 · Oct 9
$19,481 AUD
£10,750 GBP
View
Price last confirmed 24 days ago
16 more retailers have this diamond
Prices start from $2,631 AUDSave up to $10,853 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
6.50ct Cushion
$2,631 AUD