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Cushion|Lab Grown|IGI

4.04ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG681578637

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG681578637

Diamond specifications and retailer prices

From HK$25,459 HKD
$3,245 USD
As of October 31, 2026
Save HK$110,475 HKD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$135,935 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.04ct lab-grown cushion diamond

This 4.04ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG681578637 or 681578637. Listed at 21 retailers as of October 31, 2026, with prices from HK$25,459 to HK$135,935, a HK$110,475 spread on the same certified stone. With Clarity lists it at HK$135,935. 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

4.04
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681578637
Dimensions10.47 × 8.73 × 5.71 mm
L/W Ratio1.20
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
10.47 mm8.73 mm4.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681578637
Side View
Table 60.0%Crown 33.9°Girdle: STK-VTKPavilion 36.4°Culet: NoneDepth 65.4%

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 31
Current: HK$41,997 HKD|Low: HK$25,459 HKD|High: HK$146,401 HKD|Avg: HK$69,521 HKD|-8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
With Clarity
October 31, 2026
Retailer 15HK$25,459 HKD
Retailer 13HK$26,597 HKD
Retailer 11HK$27,617 HKD
Retailer 5HK$32,136 HKD
Retailer 10HK$35,647 HKD
Retailer 12HK$41,519 HKD
Retailer 1HK$41,997 HKD
Retailer 9HK$43,504 HKD
Retailer 3HK$45,556 HKD
Retailer 4HK$56,155 HKD
Retailer 7HK$61,829 HKD
Retailer 6HK$73,256 HKD
Retailer 16HK$73,350 HKD
Retailer 14HK$84,734 HKD
Retailer 2HK$91,903 HKD
Retailer 17HK$93,090 HKD
Retailer 8HK$121,113 HKD
With ClarityHK$135,935 HKD

34 data points across 18 retailers

21 retailersHK$25,459 HKD to HK$135,935 HKD

A
Cheapest Retailer
-
HK$25,459 HKD
$3,245 USD
Final sale: no returns
A
Retailer 2
-
HK$26,597 HKD
$3,390 USD
View
A
Retailer 3
-
HK$27,617 HKD
$3,520 USD
View
A
Retailer 4
-
HK$32,136 HKD
View
A
Retailer 5
-
HK$35,647 HKD
£3,578 GBP
View
Retailer 6
-
HK$39,033 HKD
£3,917 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
HK$41,519 HKD
$5,292 USD
View
A
Retailer 8
-
HK$41,997 HKD
€5,098 EUR
View
A
Retailer 9
-
HK$43,504 HKD
$5,545 USD
View
A
Retailer 10
-
HK$45,556 HKD
£4,572 GBP
View
Retailer 11
-
HK$53,592 HKD
$6,831 USD
View
Price last confirmed 96 days ago
A
Retailer 12
-
HK$56,155 HKD
ZAR 115,629 ZAR
View
Retailer 13
-
HK$61,829 HKD
A$12,124 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
HK$73,256 HKD
£7,352 GBP
View
B+
Retailer 15
-
HK$73,350 HKD
$9,349 USD
View
B+
Retailer 16
-
HK$75,869 HKD
$9,670 USD
View
B+
Retailer 17
-
HK$84,734 HKD
$10,800 USD
View
B+
Retailer 18
-
HK$91,903 HKD
$11,714 USD
View
B+
Retailer 19
-
HK$93,090 HKD
SGD 16,034 SGD
View
Retailer 20
-
HK$121,113 HKD
A$23,749 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
With Clarity
681578637 · Oct 31
HK$135,935 HKD
$17,326 USD
View
20 more retailers have this diamond
Prices start from HK$25,459 HKDSave up to HK$110,475 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
4.04ct Cushion
HK$25,459 HKD