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 $1,844 USD
As of November 1, 2026
Save $7,606 USD (80%) 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 6.5ct 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 18 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
Color
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: $2,957 USD|Low: $1,844 USD|High: $9,460 USD|Avg: $3,866 USD|-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$1,844 USD
Retailer 14$1,910 USD
Retailer 13$1,988 USD
Retailer 2$2,080 USD
Retailer 5$2,246 USD
Retailer 7$2,707 USD
Retailer 10$2,730 USD
Retailer 1$2,957 USD
Retailer 9$3,696 USD
Retailer 4$5,148 USD
Retailer 8$5,456 USD
Retailer 3$5,540 USD
Retailer 11$6,505 USD
Retailer 12$9,450 USD

40 data points across 14 retailers

18 retailers$1,844 USD to $9,450 USD

A
Cheapest Retailer
-
$1,844 USD
Final sale: no returns
Retailer 2
-
$1,910 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$1,988 USD
£1,565 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$2,080 USD
View
A
Retailer 5
-
$2,246 USD
View
A
Retailer 6
-
$2,707 USD
£2,132 GBP
View
A
Retailer 7
-
$2,730 USD
View
A
Retailer 8
-
$2,957 USD
€2,816 EUR
View
A
Retailer 9
-
$3,696 USD
ZAR 59,715 ZAR
View
B+
Retailer 10
-
$3,947 USD
£3,108 GBP
View
B+
Retailer 11
-
$4,742 USD
View
B+
Retailer 12
-
$5,148 USD
View
B+
Retailer 13
-
$5,456 USD
£4,296 GBP
View
B+
Retailer 14
-
$5,540 USD
View
Retailer 15
-
$6,505 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$6,706 USD
View
B
Retailer 17
-
$9,450 USD
View
Most Expensive
Queensmith
LG797618457 · Oct 9
$13,653 USD
£10,750 GBP
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from $1,844 USDSave up to $7,606 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
6.50ct Cushion
$1,844 USD