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Cushion|Lab Grown|IGI

4.26ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG786699888

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786699888

Diamond specifications and retailer prices

From $664 USD
As of October 31, 2026
Save $2,547 USD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,668 USD at Queensmith · As of October 10, 2026
View at Queensmith

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 LG786699888 or 786699888. Listed at 18 retailers as of October 29, 2026, with a 384% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle30.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786699888
Dimensions12.10 × 7.89 × 5.52 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.10 mm7.89 mm4.26 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786699888
Side View
Table 59.0%Crown 30.2°Girdle: MED-STKPavilion 35°Culet: NoneDepth 70.0%

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 31
Current: $6,668 USD|Low: $622 USD|High: $6,668 USD|Avg: $1,845 USD
Queensmith
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
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Retailer 19
November 1, 2026
Retailer 9$622 USD
Retailer 6$664 USD
Retailer 7$736 USD
Retailer 13$865 USD
Retailer 18$995 USD
Retailer 12$1,116 USD
Retailer 11$1,138 USD
Retailer 2$1,141 USD
Retailer 16$1,465 USD
Retailer 14$1,474 USD
Retailer 17$1,602 USD
Retailer 3$1,847 USD
Retailer 8$2,134 USD
Retailer 4$2,335 USD
Retailer 10$2,344 USD
Retailer 19$2,348 USD
Retailer 5$2,380 USD
Retailer 15$3,211 USD
Queensmith$6,668 USD

44 data points across 19 retailers

18 retailers$664 USD to $3,211 USD

Retailer 1
-
$622 USD
£489 GBP
Price last confirmed 29 days ago
A
Retailer 2
-
$664 USD
View
Final sale: no returns
Retailer 3
-
$736 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$865 USD
View
B+
Retailer 5
-
$995 USD
View
A
Retailer 6
-
$1,116 USD
€1,063 EUR
View
A
Retailer 7
-
$1,141 USD
£898 GBP
View
A
Retailer 8
-
$1,465 USD
ZAR 23,662 ZAR
View
A
Retailer 9
-
$1,474 USD
A$2,268 AUD
View
A
Retailer 10
-
$1,602 USD
View
A
Retailer 11
-
$1,847 USD
View
B+
Retailer 12
-
$2,134 USD
£1,680 GBP
View
B+
Retailer 13
-
$2,335 USD
View
Retailer 14
-
$2,344 USD
SGD 3,167 SGD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
$2,348 USD
View
B+
Retailer 16
-
$2,380 USD
View
B+
Retailer 17
-
$3,211 USD
£2,528 GBP
View
Most Expensive
Queensmith
LG786699888 · Oct 10
$6,668 USD
£5,250 GBP
View
Price last confirmed 21 days ago
17 more retailers have this diamond
Prices start from $664 USDSave up to $2,547 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
$664 USD