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Cushion|Lab Grown|IGI

4.29ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780665785

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780665785

Diamond specifications and retailer prices

From HK$31,548 HKD
$4,021 USD
As of October 30, 2026
Save HK$164,987 HKD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$196,535 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.29ct lab-grown cushion diamond

This 4.29ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665785 or 780665785. Listed at 11 retailers as of October 30, 2026, with prices from HK$31,548 to HK$196,535, a HK$164,987 spread on the same certified stone. Do Amore Diamonds lists it at HK$196,535. 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

4.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665785
Dimensions10.81 × 8.72 × 5.69 mm
L/W Ratio1.24
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
10.81 mm8.72 mm4.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665785
Side View
Table 62.0%Crown 34.7°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 65.3%

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: Oct 30
Current: HK$196,535 HKD|Low: HK$31,548 HKD|High: HK$260,163 HKD|Avg: HK$88,240 HKD|-24.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4HK$31,548 HKD
Retailer 7HK$33,109 HKD
Retailer 6HK$37,463 HKD
Retailer 11HK$44,940 HKD
Retailer 10HK$53,414 HKD
Retailer 2HK$62,600 HKD
Retailer 3HK$67,180 HKD
Retailer 8HK$78,756 HKD
Retailer 9HK$90,895 HKD
Retailer 5HK$104,269 HKD
Do Amore DiamondsHK$196,535 HKD

29 data points across 11 retailers

11 retailersHK$31,548 HKD to HK$196,535 HKD

A+
Cheapest Retailer
-
HK$31,548 HKD
$4,021 USD
A
Retailer 2
-
HK$33,109 HKD
$4,220 USD
View
A
Retailer 3
-
HK$37,463 HKD
$4,775 USD
View
A
Retailer 4
-
HK$44,940 HKD
$5,728 USD
View
Final sale: no returns
A
Retailer 5
-
HK$53,414 HKD
$6,808 USD
View
A
Retailer 6
-
HK$62,600 HKD
€7,599 EUR
View
Retailer 7
-
HK$67,180 HKD
$8,563 USD
View
Price last confirmed 83 days ago
B+
Retailer 8
-
HK$78,756 HKD
£7,904 GBP
View
B+
Retailer 9
-
HK$90,895 HKD
$11,585 USD
View
B+
Retailer 10
-
HK$104,269 HKD
$13,290 USD
View
Most Expensive
B
Do Amore Diamonds
27-BE0FC0767 · Oct 31
HK$196,535 HKD
$25,050 USD
View
10 more retailers have this diamond
Prices start from HK$31,548 HKDSave up to HK$164,987 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+
4.29ct Cushion
HK$31,548 HKD