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Cushion|Lab Grown|IGI

4.26ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2 • IGI LG636493957

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG636493957

Diamond specifications and retailer prices

From $673 USD
As of October 31, 2026
Save $4,667 USD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,668 USD at Queensmith · As of October 11, 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 LG636493957 or 636493957. Listed at 11 retailers as of October 31, 2026, with a 693% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636493957
Dimensions9.40 × 9.32 × 6.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm9.32 mm4.26 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636493957
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,668 USD|Low: $673 USD|High: $6,668 USD|Avg: $2,703 USD
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$673 USD
Retailer 3$997 USD
Retailer 5$1,244 USD
Retailer 6$1,442 USD
Retailer 11$1,652 USD
Retailer 8$2,402 USD
Retailer 10$2,408 USD
Retailer 7$2,795 USD
Retailer 2$3,246 USD
Retailer 4$5,340 USD
Queensmith$6,668 USD

23 data points across 11 retailers

11 retailers$673 USD to $5,340 USD

A
Cheapest Retailer
-
$673 USD
Final sale: no returns
B+
Retailer 2
-
$997 USD
View
A
Retailer 3
-
$1,244 USD
£980 GBP
View
A
Retailer 4
-
$1,442 USD
View
A
Retailer 5
-
$1,652 USD
A$2,541 AUD
View
B+
Retailer 6
-
$2,402 USD
View
B+
Retailer 7
-
$2,408 USD
£1,896 GBP
View
B+
Retailer 8
-
$2,795 USD
View
Retailer 9
-
$3,246 USD
£2,556 GBP
View
B
Retailer 10
-
$5,340 USD
View
Most Expensive
Queensmith
LG636493957 · Oct 11
$6,668 USD
£5,250 GBP
View
Price last confirmed 20 days ago
10 more retailers have this diamond
Prices start from $673 USDSave up to $4,667 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
$673 USD