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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 $2,192 USD
As of November 1, 2026
Save $7,318 USD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,653 USD 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
Color
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

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: $3,526 USD|Low: $2,192 USD|High: $11,320 USD|Avg: $4,614 USD|-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$2,192 USD
Retailer 17$2,271 USD
Retailer 10$2,350 USD
Retailer 4$2,440 USD
Retailer 6$2,549 USD
Retailer 11$3,123 USD
Retailer 15$3,245 USD
Retailer 1$3,526 USD
Retailer 13$4,207 USD
Retailer 8$4,313 USD
Retailer 14$4,394 USD
Retailer 7$4,961 USD
Retailer 5$6,119 USD
Retailer 12$6,485 USD
Retailer 3$6,486 USD
Retailer 9$7,949 USD
Retailer 16$9,510 USD

34 data points across 17 retailers

18 retailers$2,192 USD to $9,510 USD

A
Cheapest Retailer
-
$2,192 USD
Final sale: no returns
Retailer 2
-
$2,271 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$2,350 USD
£1,851 GBP
View
A
Retailer 4
-
$2,440 USD
View
A
Retailer 5
-
$2,549 USD
View
A
Retailer 6
-
$3,123 USD
£2,459 GBP
View
A
Retailer 7
-
$3,245 USD
View
A
Retailer 8
-
$3,526 USD
€3,358 EUR
View
B+
Retailer 9
-
$4,207 USD
A$6,473 AUD
View
B+
Retailer 10
-
$4,313 USD
£3,396 GBP
View
B+
Retailer 11
-
$4,394 USD
ZAR 70,987 ZAR
View
B+
Retailer 12
-
$4,961 USD
View
B+
Retailer 13
-
$6,119 USD
View
B+
Retailer 14
-
$6,485 USD
£5,106 GBP
View
B+
Retailer 15
-
$6,486 USD
View
B
Retailer 16
-
$7,949 USD
View
B
Retailer 17
-
$9,510 USD
View
Most Expensive
Queensmith
LG797618416 · Oct 9
$13,653 USD
£10,750 GBP
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from $2,192 USDSave up to $7,318 USD

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
$2,192 USD