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Cushion|Lab Grown|IGI

5.57ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG800677758

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800677758

Diamond specifications and retailer prices

From HK$71,294 HKD
$9,087 USD
As of November 1, 2026
Save HK$88,918 HKD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$160,212 HKD at Yorxs · As of October 31, 2026
View at Yorxs

About this 5.57ct lab-grown cushion diamond

This 5.57ct 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 LG800677758 or 800677758. Listed at 10 retailers as of October 31, 2026, with prices from HK$71,294 to HK$160,212, a HK$88,918 spread on the same certified stone. Yorxs lists it at HK$160,212. 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

5.57
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677758
Dimensions11.47 × 9.56 × 6.31 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
11.47 mm9.56 mm5.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677758
Side View
Table 57.0%Crown 35.1°Girdle: THK-VTKPavilion 35.1°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$137,535 HKD|Low: HK$71,294 HKD|High: HK$466,505 HKD|Avg: HK$175,133 HKD|-44.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Yorxs
October 31, 2026
Retailer 6HK$71,294 HKD
Retailer 8HK$81,203 HKD
Retailer 10HK$92,689 HKD
Retailer 5HK$94,870 HKD
Retailer 11HK$107,722 HKD
Retailer 9HK$128,560 HKD
Retailer 1HK$137,535 HKD
Retailer 4HK$146,232 HKD
YorxsHK$160,212 HKD
Retailer 2HK$234,131 HKD
Retailer 3HK$299,809 HKD
Retailer 7HK$441,242 HKD

25 data points across 12 retailers

10 retailersHK$71,294 HKD to HK$160,212 HKD

A
Cheapest Retailer
-
HK$71,294 HKD
$9,087 USD
A
Retailer 2
-
HK$81,203 HKD
$10,350 USD
View
A
Retailer 3
-
HK$92,689 HKD
$11,814 USD
View
Final sale: no returns
A
Retailer 4
-
HK$94,870 HKD
$12,092 USD
View
Retailer 5
-
HK$107,722 HKD
$13,730 USD
View
Price last confirmed 83 days ago
B+
Retailer 6
-
HK$128,560 HKD
$16,386 USD
View
B+
Retailer 7
-
HK$137,535 HKD
$17,530 USD
View
B+
Retailer 8
-
HK$146,232 HKD
£14,676 GBP
View
Most Expensive
B+
Yorxs
557461378 · Oct 31
HK$160,212 HKD
€19,448 EUR
View
8 more retailers have this diamond
Prices start from HK$71,294 HKDSave up to HK$88,918 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
5.57ct Cushion
HK$71,294 HKD