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 $2,093 NZD
HK$9,200 HKD
As of November 1, 2026
Save $6,584 NZD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,677 NZD 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 $2,093 to $8,677, a $6,584 spread on the same certified stone. With Clarity lists it at $8,677. 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: $5,078 NZD|Low: $2,093 NZD|High: $8,677 NZD|Avg: $4,564 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
November 2, 2026
Retailer 4$2,093 NZD
Retailer 3$2,708 NZD
Retailer 2$2,844 NZD
Retailer 6$2,854 NZD
Retailer 1$5,078 NZD
Retailer 5$6,161 NZD
With Clarity$8,677 NZD

2 data points across 7 retailers

7 retailers$2,093 NZD to $8,677 NZD

A
Cheapest Retailer
-
$2,093 NZD
HK$9,200 HKD
A
Retailer 2
-
$2,708 NZD
£1,200 GBP
View
A
Retailer 3
-
$2,844 NZD
€1,524 EUR
View
B+
Retailer 4
-
$2,854 NZD
$1,606 USD
View
B+
Retailer 5
-
$5,078 NZD
$2,857 USD
View
B+
Retailer 6
-
$6,161 NZD
$3,466 USD
View
Most Expensive
B
With Clarity
851623644 · Nov 2
$8,677 NZD
$4,882 USD
View
6 more retailers have this diamond
Prices start from $2,093 NZDSave up to $6,584 NZD

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
$2,093 NZD