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Cushion|Lab Grown|IGI

3.59ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG766685115

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG766685115

Diamond specifications and retailer prices

From $6,549 AUD
$4,590 USD
As of November 2, 2026
5 retailers carry this diamond
Most expensive: $6,549 AUD at Brilliant Earth
View at Brilliant Earth

About this 3.59ct lab-grown cushion diamond

This 3.59ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG766685115 or 766685115. Listed at 5 retailers as of November 2, 2026. 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

3.59
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766685115
Dimensions8.71 × 8.50 × 5.70 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.71 mm8.50 mm3.59 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766685115
Side View
Table 60.0%Crown 36°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 67.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $6,549 AUD|Low: $1,015 AUD|High: $12,471 AUD|Avg: $4,253 AUD|-47.5%
Brilliant Earth
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
October 18, 2026
Retailer 16$1,306 AUD
Retailer 9$1,513 AUD
Retailer 15$1,737 AUD
Retailer 3$1,834 AUD
Retailer 12$1,835 AUD
Retailer 2$2,255 AUD
Retailer 8$2,541 AUD
Retailer 5$3,532 AUD
Retailer 14$4,585 AUD
Retailer 7$4,588 AUD
Retailer 6$4,885 AUD
Retailer 10$5,272 AUD
Retailer 11$5,494 AUD
Brilliant Earth$6,549 AUD
Retailer 4$7,786 AUD
Retailer 13$9,646 AUD

25 data points across 16 retailers

5 retailers

Retailer 1
-
$1,835 AUD
$1,286 USD
Price last confirmed 17 days ago
Retailer 2
-
$4,585 AUD
$3,213 USD
View
Price last confirmed 17 days ago
Retailer 3
-
$5,272 AUD
£2,909 GBP
View
Price last confirmed 18 days ago
Retailer 4
-
$5,494 AUD
$3,850 USD
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
21400555B · Nov 2
$6,549 AUD
$4,590 USD
View
4 more retailers have this diamond

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.

B
3.59ct Cushion
$6,549 AUD