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Cushion|Lab Grown|IGI

4.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804659469

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659469

Diamond specifications and retailer prices

From HK$34,388 HKD
$4,383 USD
As of October 30, 2026
Save HK$107,755 HKD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$142,143 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.26ct lab-grown cushion diamond

This 4.26ct 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 LG804659469 or 804659469. Listed at 11 retailers as of October 30, 2026, with prices from HK$34,388 to HK$142,143, a HK$107,755 spread on the same certified stone. Taylor and Hart lists it at HK$142,143. 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

4.26
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659469
Dimensions10.46 × 8.75 × 5.88 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
10.46 mm8.75 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659469
Side View
Table 60.0%Crown 37.8°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 67.2%

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$36,569 HKD|Low: HK$34,388 HKD|High: HK$175,508 HKD|Avg: HK$87,913 HKD|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 3HK$34,388 HKD
Retailer 1HK$36,569 HKD
Retailer 6HK$50,313 HKD
Retailer 5HK$51,670 HKD
Retailer 10HK$63,903 HKD
Retailer 7HK$65,484 HKD
Retailer 2HK$67,238 HKD
Retailer 8HK$88,481 HKD
Retailer 4HK$103,563 HKD
Retailer 9HK$114,707 HKD
Taylor and HartHK$142,143 HKD

41 data points across 11 retailers

11 retailersHK$34,388 HKD to HK$142,143 HKD

A+
Cheapest Retailer
-
HK$34,388 HKD
$4,383 USD
A
Retailer 2
-
HK$36,569 HKD
$4,661 USD
View
A
Retailer 3
-
HK$50,313 HKD
View
A
Retailer 4
-
HK$51,670 HKD
£5,186 GBP
View
Retailer 5
-
HK$63,903 HKD
$8,145 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
HK$65,484 HKD
€7,949 EUR
View
B+
Retailer 7
-
HK$67,238 HKD
$8,570 USD
View
B+
Retailer 8
-
HK$88,481 HKD
£8,880 GBP
View
B+
Retailer 9
-
HK$103,563 HKD
$13,200 USD
View
B+
Retailer 10
-
HK$114,707 HKD
$14,620 USD
View
Most Expensive
B+
Taylor and Hart
MTAYJA7 · Oct 30
HK$142,143 HKD
$18,117 USD
View
10 more retailers have this diamond
Prices start from HK$34,388 HKDSave up to HK$107,755 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+
4.26ct Cushion
HK$34,388 HKD