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 $1,680 AUD
HK$9,200 HKD
As of November 1, 2026
Save $5,286 AUD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,966 AUD 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 7 retailers as of November 1, 2026, with prices from $1,680 to $6,966, a $5,286 spread on the same certified stone. With Clarity lists it at $6,966. 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
Colour
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°Culet: NoneDepth 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: $4,077 AUD|Low: $1,680 AUD|High: $6,966 AUD|Avg: $3,664 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
November 2, 2026
Retailer 4$1,680 AUD
Retailer 3$2,174 AUD
Retailer 2$2,283 AUD
Retailer 6$2,292 AUD
Retailer 1$4,077 AUD
Retailer 5$4,946 AUD
With Clarity$6,966 AUD

2 data points across 7 retailers

7 retailers$1,680 AUD to $6,966 AUD

A
Cheapest Retailer
-
$1,680 AUD
HK$9,200 HKD
A
Retailer 2
-
$2,174 AUD
£1,200 GBP
View
A
Retailer 3
-
$2,283 AUD
€1,524 EUR
View
B+
Retailer 4
-
$2,292 AUD
$1,606 USD
View
B+
Retailer 5
-
$4,077 AUD
$2,857 USD
View
B+
Retailer 6
-
$4,946 AUD
$3,466 USD
View
Most Expensive
B
With Clarity
851623644 · Nov 2
$6,966 AUD
$4,882 USD
View
6 more retailers have this diamond
Prices start from $1,680 AUDSave up to $5,286 AUD

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
$1,680 AUD