Cushion|Lab Grown|IGI

6.55ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG835653581

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG835653581

Diamond specifications and retailer prices

From $4,758 NZD
$2,677 USD
As of November 1, 2026
Save $12,450 NZD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $17,208 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.55ct lab-grown cushion diamond

This 6.55ct 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 LG835653581 or 835653581. Listed at 13 retailers as of October 31, 2026, with prices from $4,758 to $17,208, a $12,450 spread on the same certified stone. Taylor and Hart lists it at $17,208. 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

6.55
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835653581
Dimensions13.05 × 9.78 × 6.08 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.05 mm9.78 mm6.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835653581
Side View
Table 55.0%Crown 35.1°Girdle: STK-THKPavilion 39.6°Culet: LargeDepth 62.2%

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: $6,722 NZD|Low: $4,758 NZD|High: $17,981 NZD|Avg: $9,633 NZD|-5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 3, 2026
Retailer 3$4,758 NZD
Retailer 2$5,216 NZD
Retailer 11$5,963 NZD
Retailer 1$6,722 NZD
Retailer 5$7,662 NZD
Retailer 6$7,689 NZD
Retailer 8$9,132 NZD
Retailer 12$9,345 NZD
Retailer 9$10,077 NZD
Retailer 10$12,512 NZD
Retailer 7$13,195 NZD
Retailer 4$13,869 NZD
Taylor and Hart$17,208 NZD

20 data points across 13 retailers

13 retailers$4,758 NZD to $17,208 NZD

A
Cheapest Retailer
-
$4,758 NZD
$2,677 USD
Final sale: no returns
B+
Retailer 2
-
$5,216 NZD
$2,935 USD
View
B+
Retailer 3
-
$5,963 NZD
$3,355 USD
View
B+
Retailer 4
-
$6,722 NZD
£2,978 GBP
View
B+
Retailer 5
-
$7,662 NZD
€4,106 EUR
View
B
Retailer 6
-
$7,689 NZD
$4,326 USD
View
B
Retailer 7
-
$9,132 NZD
A$7,905 AUD
View
B
Retailer 8
-
$9,345 NZD
£4,140 GBP
View
B
Retailer 9
-
$10,077 NZD
A$8,723 AUD
View
B
Retailer 10
-
$12,512 NZD
$7,040 USD
View
B
Retailer 11
-
$13,195 NZD
£5,846 GBP
View
B
Retailer 12
-
$13,869 NZD
$7,804 USD
View
Most Expensive
B
Taylor and Hart
1RVYK4N · Oct 31
$17,208 NZD
$9,682 USD
View
12 more retailers have this diamond
Prices start from $4,758 NZDSave up to $12,450 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
6.55ct Cushion
$4,758 NZD