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Cushion|Lab Grown|IGI

5.28ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799670188

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799670188

Diamond specifications and retailer prices

From HK$66,069 HKD
$8,421 USD
As of November 1, 2026
Save HK$337,702 HKD (84%) vs most expensive(unlock to see where)
14 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 LG799670188 or 799670188. Listed at 14 retailers as of October 31, 2026, with prices from HK$66,069 to HK$403,771, a HK$337,702 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799670188
Dimensions11.32 × 9.42 × 6.17 mm
L/W Ratio1.20
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
11.32 mm9.42 mm5.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799670188
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 65.5%

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$66,069 HKD|High: HK$412,747 HKD|Avg: HK$153,613 HKD|-7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 1, 2026
Retailer 11HK$66,069 HKD
Retailer 7HK$78,065 HKD
Retailer 4HK$81,244 HKD
Retailer 1HK$85,244 HKD
Retailer 10HK$86,946 HKD
Retailer 8HK$89,808 HKD
Retailer 9HK$124,715 HKD
Retailer 13HK$130,396 HKD
Retailer 12HK$136,241 HKD
Retailer 6HK$138,271 HKD
Retailer 3HK$151,330 HKD
Retailer 5HK$209,612 HKD
Retailer 2HK$240,141 HKD
With ClarityHK$403,771 HKD

38 data points across 14 retailers

14 retailersHK$66,069 HKD to HK$403,771 HKD

A
Cheapest Retailer
-
HK$66,069 HKD
$8,421 USD
A
Retailer 2
-
HK$78,065 HKD
$9,950 USD
View
A
Retailer 3
-
HK$81,244 HKD
View
A
Retailer 4
-
HK$85,244 HKD
$10,865 USD
View
A
Retailer 5
-
HK$86,946 HKD
$11,082 USD
View
A
Retailer 6
-
HK$89,808 HKD
£9,013 GBP
View
A
Retailer 7
-
HK$124,715 HKD
€15,139 EUR
View
A
Retailer 8
-
HK$130,396 HKD
$16,620 USD
View
B+
Retailer 9
-
HK$136,241 HKD
$17,365 USD
View
B+
Retailer 10
-
HK$138,271 HKD
£13,877 GBP
View
B+
Retailer 11
-
HK$151,330 HKD
ZAR 311,603 ZAR
View
B+
Retailer 12
-
HK$209,612 HKD
$26,717 USD
View
B
Retailer 13
-
HK$240,141 HKD
$30,608 USD
View
Most Expensive
B
With Clarity
799670188 · Oct 31
HK$403,771 HKD
$51,464 USD
View
13 more retailers have this diamond
Prices start from HK$66,069 HKDSave up to HK$337,702 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$66,069 HKD