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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 $12,017 AUD
$8,441 USD
As of October 31, 2026
Save $38,166 AUD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $50,182 AUD 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 $12,017 to $50,182, a $38,166 spread on the same certified stone. Taylor and Hart lists it at $50,182. 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: $25,892 AUD|Low: $12,017 AUD|High: $171,429 AUD|Avg: $39,306 AUD|-10.1%
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
November 1, 2026
Retailer 7$12,017 AUD
Retailer 3$12,338 AUD
Retailer 8$12,751 AUD
Retailer 11$14,457 AUD
Retailer 9$14,602 AUD
Retailer 6$16,317 AUD
Retailer 2$16,764 AUD
Retailer 1$25,892 AUD
Retailer 5$26,912 AUD
Retailer 12$31,476 AUD
Taylor and Hart$50,182 AUD
Retailer 10$78,540 AUD
Retailer 4$171,429 AUD

29 data points across 13 retailers

12 retailers$12,017 AUD to $50,182 AUD

A
Cheapest Retailer
-
$12,017 AUD
$8,441 USD
Retailer 2
-
$12,338 AUD
$8,667 USD
View
Price last confirmed 56 days ago
A
Retailer 3
-
$12,751 AUD
$8,957 USD
View
B+
Retailer 4
-
$14,457 AUD
$10,155 USD
View
Retailer 5
-
$14,602 AUD
$10,257 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$16,317 AUD
$11,462 USD
View
B+
Retailer 7
-
$16,764 AUD
HK$92,000 HKD
View
B+
Retailer 8
-
$25,892 AUD
£14,321 GBP
View
B+
Retailer 9
-
$26,912 AUD
$18,904 USD
View
B+
Retailer 10
-
$31,476 AUD
$22,110 USD
View
Most Expensive
B
Taylor and Hart
3ZW3EUB · Oct 31
$50,182 AUD
$35,250 USD
View
10 more retailers have this diamond
Prices start from $12,017 AUDSave up to $38,166 AUD

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
$12,017 AUD