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 $2,086 USD
As of November 1, 2026
Save $7,921 USD (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,007 USD 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 $2,086 to $10,007, a $7,921 spread on the same certified stone. With Clarity lists it at $10,007. 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
Color
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,914 USD|Low: $2,086 USD|High: $13,040 USD|Avg: $4,703 USD|-9.0%
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$2,086 USD
Retailer 7$2,225 USD
Retailer 6$2,458 USD
Retailer 1$2,914 USD
Retailer 10$2,938 USD
Retailer 2$3,191 USD
Retailer 3$3,198 USD
Retailer 12$3,646 USD
Retailer 11$3,807 USD
Retailer 15$3,976 USD
Retailer 9$4,252 USD
Retailer 13$5,277 USD
Retailer 4$5,536 USD
Retailer 17$5,695 USD
Retailer 16$5,899 USD
Retailer 14$6,580 USD
Retailer 8$7,204 USD
With Clarity$10,007 USD

40 data points across 18 retailers

19 retailers$2,086 USD to $10,007 USD

A
Cheapest Retailer
-
$2,086 USD
Final sale: no returns
A
Retailer 2
-
$2,225 USD
View
A
Retailer 3
-
$2,458 USD
View
B+
Retailer 4
-
$2,914 USD
£2,294 GBP
View
B+
Retailer 5
-
$2,938 USD
View
B+
Retailer 6
-
$3,191 USD
View
B+
Retailer 7
-
$3,198 USD
View
B+
Retailer 8
-
$3,646 USD
€3,472 EUR
View
B+
Retailer 9
-
$3,807 USD
A$5,857 AUD
View
B+
Retailer 10
-
$3,976 USD
ZAR 64,230 ZAR
View
B
Retailer 11
-
$4,252 USD
£3,348 GBP
View
B
Retailer 12
-
$5,277 USD
A$8,118 AUD
View
B
Retailer 13
-
$5,536 USD
View
Retailer 14
-
$5,695 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$5,899 USD
£4,645 GBP
View
B
Retailer 16
-
$6,260 USD
View
B
Retailer 17
-
$6,580 USD
View
B
Retailer 18
-
$7,204 USD
View
Most Expensive
B
With Clarity
786684289 · Nov 2
$10,007 USD
View
18 more retailers have this diamond
Prices start from $2,086 USDSave up to $7,921 USD

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
$2,086 USD