Cushion|Lab Grown|GIA

5.31ct D FL Cushion Lab Grown Diamond

EX • D/FL • GIA 7521238643

Certificate GIA 7521238643

Diamond specifications and retailer prices

From HK$263,247 HKD
$33,553 USD
As of November 1, 2026
Save HK$143,474 HKD (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$406,721 HKD at Brilliance · As of November 1, 2026
View at Brilliance

About this 5.31ct lab-grown cushion diamond

This 5.31ct lab-grown cushion sits in the over 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 7521238643. Listed at 10 retailers as of November 1, 2026, with prices from HK$263,247 to HK$406,721, a HK$143,474 spread on the same certified stone. Brilliance lists it at HK$406,721. 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

5.31
Carat
D
Colour
FL
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7521238643
Dimensions11.71 × 9.31 × 6.22 mm
L/W Ratio1.26
Culet sizeNone
Top View
11.71 mm9.31 mm5.31 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521238643
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.8%

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: Nov 1
Current: HK$406,721 HKD|Low: HK$194,684 HKD|High: HK$2,344,656 HKD|Avg: HK$583,934 HKD|-8.5%
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 7HK$216,306 HKD
Retailer 3HK$251,665 HKD
Retailer 8HK$263,247 HKD
Retailer 10HK$288,549 HKD
Retailer 11HK$326,915 HKD
Retailer 6HK$347,860 HKD
Retailer 2HK$405,756 HKD
BrillianceHK$406,721 HKD
Retailer 5HK$555,215 HKD
Retailer 12HK$684,029 HKD
Retailer 9HK$912,869 HKD
Retailer 4HK$2,344,656 HKD

24 data points across 12 retailers

10 retailersHK$263,247 HKD to HK$406,721 HKD

Retailer 1
-
HK$216,306 HKD
$27,570 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
HK$263,247 HKD
$33,553 USD
View
B
Retailer 3
-
HK$288,549 HKD
$36,778 USD
View
B
Retailer 4
-
HK$326,915 HKD
$41,668 USD
View
Retailer 5
-
HK$347,860 HKD
£34,912 GBP
View
Price last confirmed 9 days ago
B
Retailer 6
-
HK$405,756 HKD
£40,722 GBP
View
Most Expensive
B
Brilliance
D42113076 · Nov 1
HK$406,721 HKD
$51,840 USD
View
6 more retailers have this diamond
Prices start from HK$263,247 HKDSave up to HK$143,474 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+
5.31ct Cushion
HK$263,247 HKD