Cushion|Lab Grown|IGI

5.59ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780665859

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780665859

Diamond specifications and retailer prices

From HK$60,867 HKD
$7,758 USD
As of November 1, 2026
Save HK$310,470 HKD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$371,337 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.59ct lab-grown cushion diamond

This 5.59ct 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 LG780665859 or 780665859. Listed at 11 retailers as of October 31, 2026, with prices from HK$60,867 to HK$371,337, a HK$310,470 spread on the same certified stone. Do Amore Diamonds lists it at HK$371,337. 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

5.59
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665859
Dimensions11.79 × 9.34 × 6.32 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
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
11.79 mm9.34 mm5.59 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665859
Side View
Table 59.0%Crown 36.5°Girdle: ThickPavilion 35.2°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A+
Exceptional
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$371,337 HKD|Low: HK$60,867 HKD|High: HK$647,126 HKD|Avg: HK$196,260 HKD|-15.9%
Do Amore Diamonds
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$60,867 HKD
Retailer 11HK$67,983 HKD
Retailer 5HK$79,924 HKD
Retailer 12HK$84,012 HKD
Retailer 3HK$107,967 HKD
Retailer 9HK$126,677 HKD
Retailer 6HK$134,271 HKD
Retailer 8HK$138,006 HKD
Retailer 2HK$138,719 HKD
Retailer 10HK$192,125 HKD
Do Amore DiamondsHK$371,337 HKD
Retailer 4HK$647,126 HKD

31 data points across 12 retailers

11 retailersHK$60,867 HKD to HK$371,337 HKD

A+
Cheapest Retailer
-
HK$60,867 HKD
$7,758 USD
A
Retailer 2
-
HK$67,983 HKD
$8,665 USD
View
A
Retailer 3
-
HK$79,924 HKD
$10,187 USD
View
A
Retailer 4
-
HK$84,012 HKD
$10,708 USD
View
Final sale: no returns
Retailer 5
-
HK$107,967 HKD
$13,761 USD
View
Price last confirmed 84 days ago
A
Retailer 6
-
HK$126,677 HKD
$16,146 USD
View
A
Retailer 7
-
HK$134,271 HKD
€16,299 EUR
View
B+
Retailer 8
-
HK$138,006 HKD
$17,590 USD
View
B+
Retailer 9
-
HK$138,719 HKD
£13,922 GBP
View
B+
Retailer 10
-
HK$192,125 HKD
$24,488 USD
View
Most Expensive
B
Do Amore Diamonds
27-27F90F60D · Oct 31
HK$371,337 HKD
$47,330 USD
View
10 more retailers have this diamond
Prices start from HK$60,867 HKDSave up to HK$310,470 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+
5.59ct Cushion
HK$60,867 HKD