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Cushion|Lab Grown|GIA

4.21ct D FL Cushion Lab Grown Diamond

EX • D/FL • GIA 6532034794

Certificate GIA 6532034794

Diamond specifications and retailer prices

From €7,555 EUR
$8,441 USD
As of October 31, 2026
Save €23,997 EUR (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €31,552 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.21ct lab-grown cushion diamond

This 4.21ct 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 6532034794. Listed at 12 retailers as of October 31, 2026, with prices from €7,555 to €31,552, a €23,997 spread on the same certified stone. Taylor and Hart lists it at €31,552. 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

4.21
Carat
D
Colour
FL
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6532034794
Dimensions9.39 × 9.36 × 6.29 mm
L/W Ratio1.00
Top View
9.39 mm9.36 mm4.21 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532034794
Side View
Table 59.0%CrownGirdle: STK-STKPavilionCulet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €16,921 EUR|Low: €7,555 EUR|High: €107,786 EUR|Avg: €24,763 EUR|-23.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 7€7,555 EUR
Retailer 3€7,757 EUR
Retailer 8€8,017 EUR
Retailer 11€9,090 EUR
Retailer 9€9,181 EUR
Retailer 6€10,260 EUR
Retailer 2€10,541 EUR
Retailer 5€16,367 EUR
Retailer 1€16,921 EUR
Retailer 12€19,790 EUR
Taylor and Hart€31,552 EUR
Retailer 10€49,382 EUR
Retailer 4€107,786 EUR

28 data points across 13 retailers

12 retailers€7,555 EUR to €31,552 EUR

A
Cheapest Retailer
-
€7,555 EUR
$8,441 USD
Retailer 2
-
€7,757 EUR
$8,667 USD
View
Price last confirmed 56 days ago
A
Retailer 3
-
€8,017 EUR
$8,957 USD
View
B+
Retailer 4
-
€9,090 EUR
$10,155 USD
View
Retailer 5
-
€9,181 EUR
$10,257 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€10,260 EUR
$11,462 USD
View
B+
Retailer 7
-
€10,541 EUR
HK$92,000 HKD
View
B+
Retailer 8
-
€16,367 EUR
£14,398 GBP
View
B+
Retailer 9
-
€16,921 EUR
$18,904 USD
View
B+
Retailer 10
-
€19,790 EUR
$22,110 USD
View
Most Expensive
B
Taylor and Hart
3ZW3EUB · Oct 31
€31,552 EUR
$35,250 USD
View
10 more retailers have this diamond
Prices start from €7,555 EURSave up to €23,997 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.

A
4.21ct Cushion
€7,555 EUR