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 €16,736 EUR
$18,698 USD
As of October 31, 2026
Save €20,362 EUR (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €37,099 EUR 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 €16,736 to €37,099, a €20,362 spread on the same certified stone. Brilliance lists it at €37,099. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €37,099 EUR|Low: €12,688 EUR|High: €67,110 EUR|Avg: €33,136 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
October 31, 2026
Retailer 8€13,507 EUR
Retailer 3€16,736 EUR
Retailer 11€17,089 EUR
Retailer 10€20,388 EUR
Retailer 9€22,565 EUR
Retailer 7€24,847 EUR
Retailer 6€34,319 EUR
Brilliance€37,099 EUR
Retailer 2€38,776 EUR
Retailer 5€48,464 EUR
Retailer 12€52,604 EUR
Retailer 4€63,755 EUR

32 data points across 12 retailers

12 retailers€16,736 EUR to €37,099 EUR

Retailer 1
-
€13,507 EUR
$15,090 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
€16,736 EUR
$18,698 USD
View
B+
Retailer 3
-
€17,089 EUR
$19,092 USD
View
B+
Retailer 4
-
€20,388 EUR
$22,778 USD
View
B+
Retailer 5
-
€22,565 EUR
$25,210 USD
View
Retailer 6
-
€24,847 EUR
£21,858 GBP
View
Price last confirmed 8 days ago
B
Retailer 7
-
€34,319 EUR
£30,190 GBP
View
Most Expensive
B
Brilliance
D42114110 · Oct 30
€37,099 EUR
$41,447 USD
View
7 more retailers have this diamond
Prices start from €16,736 EURSave up to €20,362 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+
4.26ct Cushion
€16,736 EUR