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 €16,892 EUR
$18,872 USD
As of October 31, 2026
Save €20,551 EUR (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €37,443 EUR 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 €16,892 to €37,443, a €20,551 spread on the same certified stone. Brilliance lists it at €37,443. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €37,443 EUR|Low: €12,993 EUR|High: €67,740 EUR|Avg: €32,368 EUR|-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 31, 2026
Retailer 9€13,413 EUR
Retailer 3€16,892 EUR
Retailer 12€17,246 EUR
Retailer 5€20,302 EUR
Retailer 11€20,577 EUR
Retailer 10€22,771 EUR
Retailer 8€25,080 EUR
Retailer 7€34,638 EUR
Brilliance€37,443 EUR
Retailer 2€39,140 EUR
Retailer 6€48,914 EUR
Retailer 13€52,979 EUR
Retailer 4€64,353 EUR

32 data points across 13 retailers

12 retailers€16,892 EUR to €37,443 EUR

Retailer 1
-
€13,413 EUR
$14,985 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
€16,892 EUR
$18,872 USD
View
B+
Retailer 3
-
€17,246 EUR
$19,267 USD
View
B+
Retailer 4
-
€20,577 EUR
$22,989 USD
View
B+
Retailer 5
-
€22,771 EUR
$25,440 USD
View
Retailer 6
-
€25,080 EUR
£22,062 GBP
View
Price last confirmed 8 days ago
B
Retailer 7
-
€34,638 EUR
£30,471 GBP
View
Most Expensive
B
Brilliance
D42109193 · Oct 30
€37,443 EUR
$41,832 USD
View
7 more retailers have this diamond
Prices start from €16,892 EURSave up to €20,551 EUR

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
€16,892 EUR