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Cushion|Lab Grown|IGI

6.56ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG851623644

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG851623644

Diamond specifications and retailer prices

From $1,645 CAD
HK$9,200 HKD
As of November 1, 2026
Save $5,175 CAD (76%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,820 CAD at With Clarity · As of November 2, 2026
View at With Clarity

About this 6.56ct lab-grown cushion diamond

This 6.56ct 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 LG851623644 or 851623644. Listed at 5 retailers as of November 1, 2026, with prices from $1,645 to $6,820, a $5,175 spread on the same certified stone. With Clarity lists it at $6,820. 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

6.56
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851623644
Dimensions11.02 × 10.67 × 7.24 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.02 mm10.67 mm6.56 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851623644
Side View
Table 61.0%Crown 37.5°Girdle: MED-THKPavilion 39.1°CuletDepth 67.9%

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: $2,129 CAD|Low: $1,645 CAD|High: $6,820 CAD|Avg: $3,692 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
With Clarity
November 2, 2026
Retailer 2$1,645 CAD
Retailer 1$2,129 CAD
Retailer 4$2,243 CAD
Retailer 3$4,842 CAD
With Clarity$6,820 CAD

2 data points across 5 retailers

5 retailers$1,645 CAD to $6,820 CAD

A
Cheapest Retailer
-
$1,645 CAD
HK$9,200 HKD
A
Retailer 2
-
$2,129 CAD
£1,200 GBP
View
B+
Retailer 3
-
$2,243 CAD
$1,606 USD
View
B+
Retailer 4
-
$4,842 CAD
$3,466 USD
View
Most Expensive
B
With Clarity
851623644 · Nov 2
$6,820 CAD
$4,882 USD
View
4 more retailers have this diamond
Prices start from $1,645 CADSave up to $5,175 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
6.56ct Cushion
$1,645 CAD