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 $33,176 NZD
$18,698 USD
As of October 31, 2026
Save $40,364 NZD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $73,539 NZD at Brilliance · As of November 1, 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 31, 2026, with prices from $33,176 to $73,539, a $40,364 spread on the same certified stone. Brilliance lists it at $73,539. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $73,539 NZD|Low: $25,151 NZD|High: $133,030 NZD|Avg: $65,638 NZD|-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
November 1, 2026
Retailer 8$26,774 NZD
Retailer 3$33,176 NZD
Retailer 11$33,875 NZD
Retailer 10$40,415 NZD
Retailer 9$44,730 NZD
Retailer 2$46,388 NZD
Retailer 7$68,029 NZD
Brilliance$73,539 NZD
Retailer 5$76,864 NZD
Retailer 6$96,067 NZD
Retailer 12$104,275 NZD
Retailer 4$126,378 NZD

33 data points across 12 retailers

12 retailers$33,176 NZD to $73,539 NZD

Retailer 1
-
$26,774 NZD
$15,090 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$33,176 NZD
$18,698 USD
View
B+
Retailer 3
-
$33,875 NZD
$19,092 USD
View
B+
Retailer 4
-
$40,415 NZD
$22,778 USD
View
B+
Retailer 5
-
$44,730 NZD
$25,210 USD
View
B
Retailer 6
-
$46,388 NZD
£20,586 GBP
View
B
Retailer 7
-
$68,029 NZD
£30,190 GBP
View
Most Expensive
B
Brilliance
D42114110 · Nov 1
$73,539 NZD
$41,447 USD
View
7 more retailers have this diamond
Prices start from $33,176 NZDSave up to $40,364 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.

B+
4.26ct Cushion
$33,176 NZD