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 $2,489 CAD
$1,782 USD
As of November 1, 2026
Save $9,876 CAD (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $12,365 CAD 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 $2,489 to $12,365, a $9,876 spread on the same certified stone. Diamonds Direct lists it at $12,365. 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

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: $12,365 CAD|Low: $1,827 CAD|High: $12,365 CAD|Avg: $5,103 CAD|+22.2%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$1,827 CAD
Retailer 7$2,489 CAD
Retailer 2$2,842 CAD
Retailer 3$3,904 CAD
Retailer 6$5,161 CAD
Retailer 4$7,341 CAD
Diamonds Direct$12,365 CAD

33 data points across 7 retailers

6 retailers$2,489 CAD to $12,365 CAD

A
Cheapest Retailer
-
$2,489 CAD
$1,782 USD
A
Retailer 2
-
$2,842 CAD
£1,602 GBP
View
A
Retailer 3
-
$3,904 CAD
ZAR 45,145 ZAR
View
B+
Retailer 4
-
$5,161 CAD
$3,695 USD
View
Retailer 5
-
$7,341 CAD
$5,255 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Diamonds Direct
1046525 · Nov 1
$12,365 CAD
$8,852 USD
View
5 more retailers have this diamond
Prices start from $2,489 CADSave up to $9,876 CAD

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
$2,489 CAD