CaratHunter
Plans
Cushion|Lab Grown|IGI

4.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804659469

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659469

Diamond specifications and retailer prices

From $6,240 AUD
$4,383 USD
As of October 30, 2026
Save $19,552 AUD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $25,792 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.26ct lab-grown cushion diamond

This 4.26ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659469 or 804659469. Listed at 11 retailers as of October 30, 2026, with prices from $6,240 to $25,792, a $19,552 spread on the same certified stone. Taylor and Hart lists it at $25,792. 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659469
Dimensions10.46 × 8.75 × 5.88 mm
L/W Ratio1.20
Girdle conditionFaceted
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
10.46 mm8.75 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659469
Side View
Table 60.0%Crown 37.8°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $11,798 AUD|Low: $6,240 AUD|High: $31,846 AUD|Avg: $15,929 AUD|-26.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 4$6,240 AUD
Retailer 3$6,635 AUD
Retailer 7$9,129 AUD
Retailer 6$9,376 AUD
Retailer 10$11,595 AUD
Retailer 1$11,798 AUD
Retailer 2$12,200 AUD
Retailer 8$16,055 AUD
Retailer 5$18,792 AUD
Retailer 9$20,813 AUD
Taylor and Hart$25,792 AUD

40 data points across 11 retailers

11 retailers$6,240 AUD to $25,792 AUD

A+
Cheapest Retailer
-
$6,240 AUD
$4,383 USD
A
Retailer 2
-
$6,635 AUD
$4,661 USD
View
A
Retailer 3
-
$9,129 AUD
HK$50,100 HKD
View
A
Retailer 4
-
$9,376 AUD
£5,186 GBP
View
Retailer 5
-
$11,595 AUD
$8,145 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$11,798 AUD
€7,893 EUR
View
B+
Retailer 7
-
$12,200 AUD
$8,570 USD
View
B+
Retailer 8
-
$16,055 AUD
£8,880 GBP
View
B+
Retailer 9
-
$18,792 AUD
$13,200 USD
View
B+
Retailer 10
-
$20,813 AUD
$14,620 USD
View
Most Expensive
B+
Taylor and Hart
MTAYJA7 · Oct 31
$25,792 AUD
$18,117 USD
View
10 more retailers have this diamond
Prices start from $6,240 AUDSave up to $19,552 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
$6,240 AUD