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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 $958 AUD
$673 USD
As of November 1, 2026
Save $6,644 AUD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,492 AUD 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 November 1, 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
Colour
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: Nov 1
Current: $9,492 AUD|Low: $958 AUD|High: $9,492 AUD|Avg: $3,848 AUD
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$958 AUD
Retailer 3$1,419 AUD
Retailer 5$1,771 AUD
Retailer 6$2,053 AUD
Retailer 11$2,351 AUD
Retailer 8$3,419 AUD
Retailer 10$3,428 AUD
Retailer 7$3,979 AUD
Retailer 2$4,621 AUD
Retailer 4$7,602 AUD
Queensmith$9,492 AUD

23 data points across 11 retailers

11 retailers$958 AUD to $7,602 AUD

A
Cheapest Retailer
-
$958 AUD
$673 USD
Final sale: no returns
B+
Retailer 2
-
$1,419 AUD
$997 USD
View
A
Retailer 3
-
$1,771 AUD
£980 GBP
View
A
Retailer 4
-
$2,053 AUD
$1,442 USD
View
A
Retailer 5
-
$2,351 AUD
View
B+
Retailer 6
-
$3,419 AUD
$2,402 USD
View
B+
Retailer 7
-
$3,428 AUD
£1,896 GBP
View
B+
Retailer 8
-
$3,979 AUD
$2,795 USD
View
B+
Retailer 9
-
$4,621 AUD
£2,556 GBP
View
B
Retailer 10
-
$7,602 AUD
$5,340 USD
View
Most Expensive
Queensmith
LG636493957 · Oct 11
$9,492 AUD
£5,250 GBP
View
Price last confirmed 21 days ago
10 more retailers have this diamond
Prices start from $958 AUDSave up to $6,644 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
$958 AUD