Cushion|Lab Grown|GIA

4.30ct D FL Cushion Lab Grown Diamond

EX • D/FL • GIA 2528080655

Certificate GIA 2528080655

Diamond specifications and retailer prices

From HK$148,064 HKD
$18,872 USD
As of October 30, 2026
Save HK$180,137 HKD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$328,201 HKD at Brilliance · As of October 30, 2026
View at Brilliance

About this 4.3ct lab-grown cushion diamond

This 4.3ct 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 2528080655. Listed at 12 retailers as of October 30, 2026, with prices from HK$148,064 to HK$328,201, a HK$180,137 spread on the same certified stone. Brilliance lists it at HK$328,201. 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

4.30
Carat
D
Colour
FL
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2528080655
Dimensions9.48 × 9.47 × 6.18 mm
L/W Ratio1.00
Culet sizeNone
Top View
9.48 mm9.47 mm4.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2528080655
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.3%

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 30
Current: HK$328,201 HKD|Low: HK$113,884 HKD|High: HK$593,763 HKD|Avg: HK$283,876 HKD|-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
Retailer 13
October 29, 2026
Retailer 9HK$117,568 HKD
Retailer 3HK$148,064 HKD
Retailer 12HK$151,163 HKD
Retailer 5HK$177,953 HKD
Retailer 11HK$180,365 HKD
Retailer 10HK$199,595 HKD
Retailer 8HK$219,831 HKD
Retailer 7HK$303,614 HKD
BrillianceHK$328,201 HKD
Retailer 6HK$345,501 HKD
Retailer 2HK$428,747 HKD
Retailer 13HK$464,373 HKD
Retailer 4HK$564,074 HKD

31 data points across 13 retailers

12 retailersHK$148,064 HKD to HK$328,201 HKD

Retailer 1
-
HK$117,568 HKD
$14,985 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
HK$148,064 HKD
$18,872 USD
View
B+
Retailer 3
-
HK$151,163 HKD
$19,267 USD
View
B+
Retailer 4
-
HK$180,365 HKD
$22,989 USD
View
B+
Retailer 5
-
HK$199,595 HKD
$25,440 USD
View
Retailer 6
-
HK$219,831 HKD
£22,062 GBP
View
Price last confirmed 8 days ago
B
Retailer 7
-
HK$303,614 HKD
£30,471 GBP
View
Most Expensive
B
Brilliance
D42109193 · Oct 30
HK$328,201 HKD
$41,832 USD
View
7 more retailers have this diamond
Prices start from HK$148,064 HKDSave up to HK$180,137 HKD

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+
4.30ct Cushion
HK$148,064 HKD