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Cushion|Lab Grown|IGI

4.26ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG739585917

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

Certificate IGI LG739585917

Diamond specifications and retailer prices

From $963 AUD
£533 GBP
As of October 30, 2026
Save $7,148 AUD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,111 AUD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 4.26ct lab-grown cushion diamond

This 4.26ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG739585917 or 739585917. Listed at 14 retailers as of October 30, 2026, with prices from $963 to $8,111, a $7,148 spread on the same certified stone. Frank Darling lists it at $8,111. 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

4.26
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739585917
Dimensions9.24 × 9.16 × 6.07 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.24 mm9.16 mm4.26 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739585917
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 66.3%

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: Oct 30
Current: $8,111 AUD|Low: $708 AUD|High: $8,113 AUD|Avg: $3,207 AUD|-0.0%
Frank Darling
Retailer 2
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October 31, 2026
Retailer 20$963 AUD
Retailer 13$999 AUD
Retailer 15$1,288 AUD
Retailer 19$1,391 AUD
Retailer 4$1,455 AUD
Retailer 7$1,491 AUD
Retailer 8$1,669 AUD
Retailer 2$1,686 AUD
Retailer 17$2,306 AUD
Retailer 11$2,472 AUD
Retailer 16$2,498 AUD
Retailer 10$2,644 AUD
Retailer 9$2,972 AUD
Retailer 18$3,539 AUD
Retailer 12$3,551 AUD
Retailer 3$4,782 AUD
Retailer 5$5,381 AUD
Retailer 6$6,250 AUD
Retailer 14$7,460 AUD
Frank Darling$8,111 AUD

24 data points across 20 retailers

14 retailers$963 AUD to $8,111 AUD

A
Cheapest Retailer
-
$963 AUD
£533 GBP
A
Retailer 2
-
$999 AUD
$702 USD
View
Final sale: no returns
A
Retailer 3
-
$1,288 AUD
$905 USD
View
B+
Retailer 4
-
$1,391 AUD
$977 USD
View
A
Retailer 5
-
$1,455 AUD
$1,022 USD
View
A
Retailer 6
-
$1,686 AUD
€1,128 EUR
View
A
Retailer 7
-
$2,306 AUD
View
A
Retailer 8
-
$2,498 AUD
$1,755 USD
View
B+
Retailer 9
-
$3,539 AUD
$2,486 USD
View
B
Retailer 10
-
$4,782 AUD
£2,645 GBP
View
Retailer 11
-
$5,381 AUD
$3,780 USD
View
Price last confirmed 23 days ago
B
Retailer 12
-
$6,250 AUD
$4,390 USD
View
B
Retailer 13
-
$7,460 AUD
$5,240 USD
View
Most Expensive
B
Frank Darling
VL-110552GR · Oct 31
$8,111 AUD
$5,698 USD
View
13 more retailers have this diamond
Prices start from $963 AUDSave up to $7,148 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
4.26ct Cushion
$963 AUD