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Cushion|Lab Grown|IGI

3.59ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG831623336

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

Certificate IGI LG831623336

Diamond specifications and retailer prices

From $1,905 AUD
$1,335 USD
As of November 2, 2026
Save $4,887 AUD (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,792 AUD at Brilliant Earth · As of November 2, 2026
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 LG831623336 or 831623336. Listed at 8 retailers as of November 2, 2026, with prices from $1,905 to $6,792, a $4,887 spread on the same certified stone. Brilliant Earth lists it at $6,792. 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 angle35.5°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831623336
Dimensions8.76 × 8.71 × 5.56 mm
L/W Ratio1.01
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
8.76 mm8.71 mm3.59 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831623336
Side View
Table 63.0%Crown 35.5°Girdle: MED-THKPavilion 34.8°CuletDepth 63.8%

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 2
Current: $6,792 AUD|Low: $1,498 AUD|High: $7,876 AUD|Avg: $3,680 AUD|-13.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$1,905 AUD
Retailer 8$1,978 AUD
Retailer 3$2,198 AUD
Retailer 2$2,733 AUD
Retailer 5$2,758 AUD
Retailer 6$4,802 AUD
Retailer 7$5,665 AUD
Brilliant Earth$6,792 AUD

27 data points across 8 retailers

8 retailers$1,905 AUD to $6,792 AUD

A
Cheapest Retailer
-
$1,905 AUD
$1,335 USD
A
Retailer 2
-
$1,978 AUD
$1,386 USD
View
A
Retailer 3
-
$2,198 AUD
€1,467 EUR
View
B+
Retailer 4
-
$2,733 AUD
$1,915 USD
View
B+
Retailer 5
-
$2,758 AUD
View
B
Retailer 6
-
$4,802 AUD
£2,650 GBP
View
Price last confirmed 7 days ago
B
Retailer 7
-
$5,665 AUD
$3,970 USD
View
Most Expensive
B
Brilliant Earth
21497633A · Nov 2
$6,792 AUD
$4,760 USD
View
7 more retailers have this diamond
Prices start from $1,905 AUDSave up to $4,887 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
3.59ct Cushion
$1,905 AUD