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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 $2,977 AUD
$2,086 USD
As of November 1, 2026
Save $11,302 AUD (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,279 AUD 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 $2,977 to $14,279, a $11,302 spread on the same certified stone. With Clarity lists it at $14,279. 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: $4,612 AUD|Low: $2,977 AUD|High: $18,607 AUD|Avg: $6,685 AUD|-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$2,977 AUD
Retailer 7$3,175 AUD
Retailer 6$3,507 AUD
Retailer 11$4,157 AUD
Retailer 12$4,192 AUD
Retailer 3$4,553 AUD
Retailer 1$4,612 AUD
Retailer 10$5,200 AUD
Retailer 13$5,432 AUD
Retailer 16$5,673 AUD
Retailer 9$6,067 AUD
Retailer 14$7,529 AUD
Retailer 4$7,899 AUD
Retailer 2$8,126 AUD
Retailer 17$8,417 AUD
Retailer 15$9,389 AUD
Retailer 8$10,279 AUD
With Clarity$14,279 AUD

39 data points across 18 retailers

19 retailers$2,977 AUD to $14,279 AUD

A
Cheapest Retailer
-
$2,977 AUD
$2,086 USD
Final sale: no returns
A
Retailer 2
-
$3,175 AUD
$2,225 USD
View
A
Retailer 3
-
$3,507 AUD
$2,458 USD
View
B+
Retailer 4
-
$4,157 AUD
£2,294 GBP
View
B+
Retailer 5
-
$4,192 AUD
$2,938 USD
View
B+
Retailer 6
-
$4,553 AUD
$3,191 USD
View
B+
Retailer 7
-
$4,612 AUD
$3,232 USD
View
B+
Retailer 8
-
$5,200 AUD
€3,471 EUR
View
B+
Retailer 9
-
$5,432 AUD
View
B+
Retailer 10
-
$5,673 AUD
ZAR 64,230 ZAR
View
B
Retailer 11
-
$6,067 AUD
£3,348 GBP
View
B
Retailer 12
-
$7,529 AUD
View
B
Retailer 13
-
$7,899 AUD
$5,536 USD
View
Retailer 14
-
$8,126 AUD
$5,695 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$8,417 AUD
£4,645 GBP
View
B
Retailer 16
-
$8,932 AUD
$6,260 USD
View
B
Retailer 17
-
$9,389 AUD
$6,580 USD
View
B
Retailer 18
-
$10,279 AUD
$7,204 USD
View
Most Expensive
B
With Clarity
786684289 · Nov 2
$14,279 AUD
$10,007 USD
View
18 more retailers have this diamond
Prices start from $2,977 AUDSave up to $11,302 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
6.60ct Cushion
$2,977 AUD