CaratHunter
Plans
Cushion|Lab Grown|GIA

4.30ct D FL Cushion Lab Grown Diamond

EX • D/FL • GIA 2528080655

Certificate GIA 2528080655

Diamond specifications and retailer prices

From $26,866 AUD
$18,872 USD
As of October 30, 2026
Save $32,686 AUD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $59,552 AUD at Brilliance · As of October 30, 2026
View at Brilliance

About this 4.3ct lab-grown cushion diamond

This 4.3ct 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 2528080655. Listed at 12 retailers as of October 30, 2026, with prices from $26,866 to $59,552, a $32,686 spread on the same certified stone. Brilliance lists it at $59,552. 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

4.30
Carat
D
Colour
FL
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2528080655
Dimensions9.48 × 9.47 × 6.18 mm
L/W Ratio1.00
Culet sizeNone
Top View
9.48 mm9.47 mm4.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2528080655
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.3%

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 30
Current: $59,552 AUD|Low: $20,664 AUD|High: $107,738 AUD|Avg: $51,509 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
Retailer 13
October 29, 2026
Retailer 9$21,333 AUD
Retailer 3$26,866 AUD
Retailer 12$27,429 AUD
Retailer 5$32,290 AUD
Retailer 11$32,727 AUD
Retailer 10$36,216 AUD
Retailer 8$39,888 AUD
Retailer 7$55,091 AUD
Brilliance$59,552 AUD
Retailer 6$62,691 AUD
Retailer 2$77,796 AUD
Retailer 13$84,260 AUD
Retailer 4$102,351 AUD

31 data points across 13 retailers

12 retailers$26,866 AUD to $59,552 AUD

Retailer 1
-
$21,333 AUD
$14,985 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
$26,866 AUD
$18,872 USD
View
B+
Retailer 3
-
$27,429 AUD
$19,267 USD
View
B+
Retailer 4
-
$32,727 AUD
$22,989 USD
View
B+
Retailer 5
-
$36,216 AUD
$25,440 USD
View
Retailer 6
-
$39,888 AUD
£22,062 GBP
View
Price last confirmed 7 days ago
B
Retailer 7
-
$55,091 AUD
£30,471 GBP
View
Most Expensive
B
Brilliance
D42109193 · Oct 30
$59,552 AUD
$41,832 USD
View
7 more retailers have this diamond
Prices start from $26,866 AUDSave up to $32,686 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+
4.30ct Cushion
$26,866 AUD