Cushion|Lab Grown|IGI

6.65ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG817647986

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817647986

Diamond specifications and retailer prices

From $1,782 USD
As of November 1, 2026
Save $7,070 USD (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,852 USD at Diamonds Direct · As of November 1, 2026
View at Diamonds Direct

About this 6.65ct lab-grown cushion diamond

This 6.65ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817647986 or 817647986. Listed at 6 retailers as of November 1, 2026, with prices from $1,782 to $8,852, a $7,070 spread on the same certified stone. Diamonds Direct lists it at $8,852. 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

6.65
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817647986
Dimensions13.79 × 9.63 × 6.19 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.79 mm9.63 mm6.65 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817647986
Side View
Table 65.0%Crown 32.4°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $8,852 USD|Low: $1,308 USD|High: $8,852 USD|Avg: $3,653 USD|+22.2%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$1,308 USD
Retailer 7$1,782 USD
Retailer 2$2,034 USD
Retailer 3$2,794 USD
Retailer 6$3,695 USD
Retailer 4$5,255 USD
Diamonds Direct$8,852 USD

33 data points across 7 retailers

6 retailers$1,782 USD to $8,852 USD

A
Cheapest Retailer
-
$1,782 USD
A
Retailer 2
-
$2,034 USD
£1,602 GBP
View
A
Retailer 3
-
$2,794 USD
ZAR 45,145 ZAR
View
B+
Retailer 4
-
$3,695 USD
View
Retailer 5
-
$5,255 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Diamonds Direct
1046525 · Nov 1
$8,852 USD
View
5 more retailers have this diamond
Prices start from $1,782 USDSave up to $7,070 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
6.65ct Cushion
$1,782 USD