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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 $677 USD
£533 GBP
As of October 30, 2026
Save $5,021 USD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,698 USD 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 $677 to $5,698, a $5,021 spread on the same certified stone. Frank Darling lists it at $5,698. 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
Color
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: $5,698 USD|Low: $497 USD|High: $5,699 USD|Avg: $2,253 USD|-0.0%
Frank Darling
Retailer 2
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October 31, 2026
Retailer 20$677 USD
Retailer 13$702 USD
Retailer 15$905 USD
Retailer 19$977 USD
Retailer 4$1,022 USD
Retailer 7$1,047 USD
Retailer 8$1,172 USD
Retailer 2$1,184 USD
Retailer 17$1,620 USD
Retailer 11$1,737 USD
Retailer 16$1,755 USD
Retailer 10$1,857 USD
Retailer 9$2,088 USD
Retailer 18$2,486 USD
Retailer 12$2,494 USD
Retailer 3$3,359 USD
Retailer 5$3,780 USD
Retailer 6$4,390 USD
Retailer 14$5,240 USD
Frank Darling$5,698 USD

24 data points across 20 retailers

14 retailers$677 USD to $5,698 USD

A
Cheapest Retailer
-
$677 USD
£533 GBP
A
Retailer 2
-
$702 USD
View
Final sale: no returns
A
Retailer 3
-
$905 USD
View
B+
Retailer 4
-
$977 USD
View
A
Retailer 5
-
$1,022 USD
View
A
Retailer 6
-
$1,184 USD
€1,128 EUR
View
A
Retailer 7
-
$1,620 USD
A$2,492 AUD
View
A
Retailer 8
-
$1,755 USD
View
B+
Retailer 9
-
$2,486 USD
View
B
Retailer 10
-
$3,359 USD
£2,645 GBP
View
Retailer 11
-
$3,780 USD
View
Price last confirmed 24 days ago
B
Retailer 12
-
$4,390 USD
View
B
Retailer 13
-
$5,240 USD
View
Most Expensive
B
Frank Darling
VL-110552GR · Oct 31
$5,698 USD
View
13 more retailers have this diamond
Prices start from $677 USDSave up to $5,021 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
4.26ct Cushion
$677 USD