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Cushion|Lab Grown|IGI

5.17ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784644159

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG784644159

Diamond specifications and retailer prices

From HK$49,899 HKD
$6,360 USD
As of October 30, 2026
Save HK$278,209 HKD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$328,107 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.17ct lab-grown cushion diamond

This 5.17ct 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 LG784644159 or 784644159. Listed at 12 retailers as of October 30, 2026, with prices from HK$49,899 to HK$328,107, a HK$278,209 spread on the same certified stone. Do Amore Diamonds lists it at HK$328,107. 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

5.17
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644159
Dimensions9.99 × 9.87 × 6.72 mm
L/W Ratio1.01
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
9.99 mm9.87 mm5.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644159
Side View
Table 60.0%Crown 36.9°Girdle: THK-VTKPavilion 39.1°Culet: NoneDepth 68.1%

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: Oct 30
Current: HK$328,107 HKD|Low: HK$49,899 HKD|High: HK$385,248 HKD|Avg: HK$155,429 HKD|-13.4%
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
Retailer 13
October 31, 2026
Retailer 6HK$49,899 HKD
Retailer 9HK$54,410 HKD
Retailer 8HK$61,416 HKD
Retailer 13HK$71,710 HKD
Retailer 12HK$85,934 HKD
Retailer 3HK$96,890 HKD
Retailer 2HK$106,921 HKD
Retailer 10HK$122,727 HKD
Retailer 7HK$127,650 HKD
Retailer 11HK$153,497 HKD
Retailer 5HK$215,388 HKD
Do Amore DiamondsHK$328,107 HKD
Retailer 4HK$385,248 HKD

31 data points across 13 retailers

12 retailersHK$49,899 HKD to HK$328,107 HKD

A
Cheapest Retailer
-
HK$49,899 HKD
$6,360 USD
A
Retailer 2
-
HK$54,410 HKD
$6,935 USD
View
A
Retailer 3
-
HK$61,416 HKD
$7,828 USD
View
A
Retailer 4
-
HK$71,710 HKD
$9,140 USD
View
Final sale: no returns
A
Retailer 5
-
HK$85,934 HKD
$10,953 USD
View
Retailer 6
-
HK$96,890 HKD
$12,349 USD
View
Price last confirmed 83 days ago
A
Retailer 7
-
HK$106,921 HKD
€12,979 EUR
View
A
Retailer 8
-
HK$122,727 HKD
£12,317 GBP
View
B+
Retailer 9
-
HK$127,650 HKD
$16,270 USD
View
B+
Retailer 10
-
HK$153,497 HKD
$19,565 USD
View
B
Retailer 11
-
HK$215,388 HKD
$27,453 USD
View
Most Expensive
B
Do Amore Diamonds
27-3B0A4184E · Oct 31
HK$328,107 HKD
$41,820 USD
View
11 more retailers have this diamond
Prices start from HK$49,899 HKDSave up to HK$278,209 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
5.17ct Cushion
HK$49,899 HKD