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Cushion|Lab Grown|IGI

5.28ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG804659884

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659884

Diamond specifications and retailer prices

From HK$78,065 HKD
$9,950 USD
As of November 1, 2026
Save HK$325,706 HKD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$403,771 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.28ct lab-grown cushion diamond

This 5.28ct 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 and certified by IGI LG804659884 or 804659884. Listed at 11 retailers as of October 31, 2026, with prices from HK$78,065 to HK$403,771, a HK$325,706 spread on the same certified stone. With Clarity lists it at HK$403,771. 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

5.28
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659884
Dimensions11.38 × 9.37 × 6.21 mm
L/W Ratio1.21
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.38 mm9.37 mm5.28 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659884
Side View
Table 62.0%Crown 38.5°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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$85,244 HKD|Low: HK$78,065 HKD|High: HK$412,747 HKD|Avg: HK$165,465 HKD|-7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 1, 2026
Retailer 4HK$78,065 HKD
Retailer 10HK$81,244 HKD
Retailer 1HK$85,244 HKD
Retailer 7HK$86,946 HKD
Retailer 5HK$89,808 HKD
Retailer 6HK$124,715 HKD
Retailer 8HK$130,396 HKD
Retailer 3HK$138,271 HKD
Retailer 2HK$209,612 HKD
Retailer 9HK$240,141 HKD
With ClarityHK$403,771 HKD

38 data points across 11 retailers

11 retailersHK$78,065 HKD to HK$403,771 HKD

A
Cheapest Retailer
-
HK$78,065 HKD
$9,950 USD
A
Retailer 2
-
HK$81,244 HKD
View
A
Retailer 3
-
HK$85,244 HKD
$10,865 USD
View
A
Retailer 4
-
HK$86,946 HKD
$11,082 USD
View
A
Retailer 5
-
HK$89,808 HKD
£9,013 GBP
View
A
Retailer 6
-
HK$124,715 HKD
€15,139 EUR
View
B+
Retailer 7
-
HK$130,396 HKD
$16,620 USD
View
B+
Retailer 8
-
HK$138,271 HKD
£13,877 GBP
View
B
Retailer 9
-
HK$209,612 HKD
$26,717 USD
View
B
Retailer 10
-
HK$240,141 HKD
$30,608 USD
View
Most Expensive
B
With Clarity
804659884 · Oct 31
HK$403,771 HKD
$51,464 USD
View
10 more retailers have this diamond
Prices start from HK$78,065 HKDSave up to HK$325,706 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.

A
5.28ct Cushion
HK$78,065 HKD