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 $18,872 USD
As of October 28, 2026
Save $22,960 USD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $41,832 USD at Brilliance · As of October 27, 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 27, 2026, with prices from $18,872 to $41,832, a $22,960 spread on the same certified stone. Brilliance lists it at $41,832. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $41,832 USD|Low: $14,515 USD|High: $75,680 USD|Avg: $36,182 USD|-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$14,985 USD
Retailer 3$18,872 USD
Retailer 12$19,267 USD
Retailer 5$22,682 USD
Retailer 11$22,989 USD
Retailer 10$25,440 USD
Retailer 8$28,019 USD
Retailer 6$38,698 USD
Brilliance$41,832 USD
Retailer 2$44,037 USD
Retailer 7$54,433 USD
Retailer 13$59,188 USD
Retailer 4$71,896 USD

31 data points across 13 retailers

12 retailers$18,872 USD to $41,832 USD

B+
Retailer 1
-
$14,985 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
$18,872 USD
View
B+
Retailer 3
-
$19,267 USD
View
B+
Retailer 4
-
$22,989 USD
View
B+
Retailer 5
-
$25,440 USD
View
B
Retailer 6
-
$28,019 USD
£22,062 GBP
View
B
Retailer 7
-
$38,698 USD
£30,471 GBP
View
Most Expensive
B
Brilliance
D42109193 · Oct 27
$41,832 USD
View
7 more retailers have this diamond
Prices start from $18,872 USDSave up to $22,960 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.

B+
4.30ct Cushion
$18,872 USD