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 $14,977 NZD
$8,441 USD
As of October 31, 2026
Save $47,568 NZD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $62,545 NZD at Taylor and Hart · As of October 30, 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 30, 2026, with prices from $14,977 to $62,545, a $47,568 spread on the same certified stone. Taylor and Hart lists it at $62,545. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $33,541 NZD|Low: $14,977 NZD|High: $213,660 NZD|Avg: $49,086 NZD|-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$14,977 NZD
Retailer 3$15,377 NZD
Retailer 8$15,892 NZD
Retailer 11$18,018 NZD
Retailer 9$18,199 NZD
Retailer 6$20,337 NZD
Retailer 2$20,894 NZD
Retailer 5$32,444 NZD
Retailer 1$33,541 NZD
Retailer 12$39,230 NZD
Taylor and Hart$62,545 NZD
Retailer 10$97,888 NZD
Retailer 4$213,660 NZD

28 data points across 13 retailers

12 retailers$14,977 NZD to $62,545 NZD

A
Cheapest Retailer
-
$14,977 NZD
$8,441 USD
Retailer 2
-
$15,377 NZD
$8,667 USD
View
Price last confirmed 55 days ago
A
Retailer 3
-
$15,892 NZD
$8,957 USD
View
B+
Retailer 4
-
$18,018 NZD
$10,155 USD
View
Retailer 5
-
$18,199 NZD
$10,257 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$20,337 NZD
$11,462 USD
View
B+
Retailer 7
-
$20,894 NZD
HK$92,000 HKD
View
B+
Retailer 8
-
$32,444 NZD
£14,398 GBP
View
B+
Retailer 9
-
$33,541 NZD
$18,904 USD
View
B+
Retailer 10
-
$39,230 NZD
$22,110 USD
View
Most Expensive
B
Taylor and Hart
3ZW3EUB · Oct 30
$62,545 NZD
$35,250 USD
View
10 more retailers have this diamond
Prices start from $14,977 NZDSave up to $47,568 NZD

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
$14,977 NZD