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Cushion|Lab Grown|GIA

4.26ct D FL Cushion Lab Grown Diamond

EX • D/FL • GIA 3515897073

Certificate GIA 3515897073

Diamond specifications and retailer prices

From $26,618 AUD
$18,698 USD
As of October 31, 2026
Save $32,385 AUD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $59,004 AUD at Brilliance · As of October 30, 2026
View at Brilliance

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 stated by the retailer rather than the lab and certified by GIA 3515897073. Listed at 12 retailers as of October 30, 2026, with prices from $26,618 to $59,004, a $32,385 spread on the same certified stone. Brilliance lists it at $59,004. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 3515897073
Dimensions9.40 × 9.39 × 6.22 mm
L/W Ratio1.00
Culet sizeNone
Top View
9.40 mm9.39 mm4.26 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515897073
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $59,004 AUD|Low: $20,180 AUD|High: $106,736 AUD|Avg: $52,702 AUD|-15.2%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 8$21,482 AUD
Retailer 3$26,618 AUD
Retailer 11$27,179 AUD
Retailer 10$32,427 AUD
Retailer 9$35,889 AUD
Retailer 7$39,518 AUD
Retailer 6$54,583 AUD
Brilliance$59,004 AUD
Retailer 2$61,672 AUD
Retailer 5$77,079 AUD
Retailer 12$83,665 AUD
Retailer 4$101,399 AUD

32 data points across 12 retailers

12 retailers$26,618 AUD to $59,004 AUD

Retailer 1
-
$21,482 AUD
$15,090 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$26,618 AUD
$18,698 USD
View
B+
Retailer 3
-
$27,179 AUD
$19,092 USD
View
B+
Retailer 4
-
$32,427 AUD
$22,778 USD
View
B+
Retailer 5
-
$35,889 AUD
$25,210 USD
View
Retailer 6
-
$39,518 AUD
£21,858 GBP
View
Price last confirmed 9 days ago
B
Retailer 7
-
$54,583 AUD
£30,190 GBP
View
Most Expensive
B
Brilliance
D42114110 · Oct 30
$59,004 AUD
$41,447 USD
View
7 more retailers have this diamond
Prices start from $26,618 AUDSave up to $32,385 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.

B+
4.26ct Cushion
$26,618 AUD