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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 $3,128 AUD
$2,192 USD
As of November 1, 2026
Save $10,442 AUD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $19,481 AUD 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: $5,031 AUD|Low: $3,128 AUD|High: $16,153 AUD|Avg: $6,584 AUD|-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$3,128 AUD
Retailer 17$3,240 AUD
Retailer 10$3,354 AUD
Retailer 4$3,482 AUD
Retailer 6$3,637 AUD
Retailer 11$4,457 AUD
Retailer 15$4,630 AUD
Retailer 1$5,031 AUD
Retailer 13$6,004 AUD
Retailer 8$6,154 AUD
Retailer 14$6,270 AUD
Retailer 7$7,079 AUD
Retailer 5$8,731 AUD
Retailer 12$9,253 AUD
Retailer 3$9,254 AUD
Retailer 9$11,343 AUD
Retailer 16$13,570 AUD

34 data points across 17 retailers

18 retailers$3,128 AUD to $13,570 AUD

A
Cheapest Retailer
-
$3,128 AUD
$2,192 USD
Final sale: no returns
Retailer 2
-
$3,240 AUD
$2,271 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$3,354 AUD
£1,851 GBP
View
A
Retailer 4
-
$3,482 AUD
$2,440 USD
View
A
Retailer 5
-
$3,637 AUD
$2,549 USD
View
A
Retailer 6
-
$4,457 AUD
£2,459 GBP
View
A
Retailer 7
-
$4,630 AUD
$3,245 USD
View
A
Retailer 8
-
$5,031 AUD
€3,358 EUR
View
B+
Retailer 9
-
$6,004 AUD
View
B+
Retailer 10
-
$6,154 AUD
£3,396 GBP
View
B+
Retailer 11
-
$6,270 AUD
ZAR 70,987 ZAR
View
B+
Retailer 12
-
$7,079 AUD
$4,961 USD
View
B+
Retailer 13
-
$8,731 AUD
$6,119 USD
View
B+
Retailer 14
-
$9,253 AUD
£5,106 GBP
View
B+
Retailer 15
-
$9,254 AUD
$6,486 USD
View
B
Retailer 16
-
$11,343 AUD
$7,949 USD
View
B
Retailer 17
-
$13,570 AUD
$9,510 USD
View
Most Expensive
Queensmith
LG797618416 · Oct 9
$19,481 AUD
£10,750 GBP
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from $3,128 AUDSave up to $10,442 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
6.59ct Cushion
$3,128 AUD