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Cushion|Lab Grown|IGI

6.60ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG786684289

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG786684289

Diamond specifications and retailer prices

From $3,707 NZD
$2,086 USD
As of November 1, 2026
Save $14,078 NZD (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $17,785 NZD at With Clarity · As of November 2, 2026
View at With Clarity

About this 6.6ct lab-grown cushion diamond

This 6.6ct 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 LG786684289 or 786684289. Listed at 19 retailers as of November 1, 2026, with prices from $3,707 to $17,785, a $14,078 spread on the same certified stone. With Clarity lists it at $17,785. 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

6.60
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786684289
Dimensions10.20 × 10.20 × 6.66 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm10.20 mm6.60 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786684289
Side View
Table 56.0%Crown 35.1°Girdle: STK-THKPavilion 39.8°Culet: LargeDepth 65.3%

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: $5,744 NZD|Low: $3,707 NZD|High: $23,176 NZD|Avg: $8,327 NZD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
With Clarity
November 2, 2026
Retailer 5$3,707 NZD
Retailer 7$3,954 NZD
Retailer 6$4,369 NZD
Retailer 11$5,178 NZD
Retailer 12$5,222 NZD
Retailer 3$5,671 NZD
Retailer 1$5,744 NZD
Retailer 10$6,477 NZD
Retailer 13$6,766 NZD
Retailer 16$7,066 NZD
Retailer 9$7,557 NZD
Retailer 14$9,378 NZD
Retailer 4$9,839 NZD
Retailer 2$10,122 NZD
Retailer 17$10,485 NZD
Retailer 15$11,695 NZD
Retailer 8$12,803 NZD
With Clarity$17,785 NZD

39 data points across 18 retailers

19 retailers$3,707 NZD to $17,785 NZD

A
Cheapest Retailer
-
$3,707 NZD
$2,086 USD
Final sale: no returns
A
Retailer 2
-
$3,954 NZD
$2,225 USD
View
A
Retailer 3
-
$4,369 NZD
$2,458 USD
View
B+
Retailer 4
-
$5,178 NZD
£2,294 GBP
View
B+
Retailer 5
-
$5,222 NZD
$2,938 USD
View
B+
Retailer 6
-
$5,671 NZD
$3,191 USD
View
B+
Retailer 7
-
$5,744 NZD
$3,232 USD
View
B+
Retailer 8
-
$6,477 NZD
€3,471 EUR
View
B+
Retailer 9
-
$6,766 NZD
A$5,857 AUD
View
B+
Retailer 10
-
$7,066 NZD
ZAR 64,230 ZAR
View
B
Retailer 11
-
$7,557 NZD
£3,348 GBP
View
B
Retailer 12
-
$9,378 NZD
A$8,118 AUD
View
B
Retailer 13
-
$9,839 NZD
$5,536 USD
View
Retailer 14
-
$10,122 NZD
$5,695 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$10,485 NZD
£4,645 GBP
View
B
Retailer 16
-
$11,126 NZD
$6,260 USD
View
B
Retailer 17
-
$11,695 NZD
$6,580 USD
View
B
Retailer 18
-
$12,803 NZD
$7,204 USD
View
Most Expensive
B
With Clarity
786684289 · Nov 2
$17,785 NZD
$10,007 USD
View
18 more retailers have this diamond
Prices start from $3,707 NZDSave up to $14,078 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
6.60ct Cushion
$3,707 NZD