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Cushion|Lab Grown|IGI

4.01ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG800663001

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

Certificate IGI LG800663001

Diamond specifications and retailer prices

From HK$41,669 HKD
$5,311 USD
As of October 29, 2026
Save HK$130,439 HKD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$172,107 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.01ct lab-grown cushion diamond

This 4.01ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800663001 or 800663001. Listed at 16 retailers as of October 29, 2026, with prices from HK$41,669 to HK$172,107, a HK$130,439 spread on the same certified stone. Taylor and Hart lists it at HK$172,107. 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

4.01
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800663001
Dimensions10.82 × 7.43 × 4.88 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
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
10.82 mm7.43 mm4.01 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800663001
Side View
Table 67.0%Crown 38.4°Girdle: MED-STKPavilion 41.8°Culet: LargeDepth 65.7%

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 29
Current: HK$61,956 HKD|Low: HK$36,129 HKD|High: HK$172,107 HKD|Avg: HK$74,499 HKD|+0.5%
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
Taylor and Hart
October 31, 2026
Retailer 12HK$41,669 HKD
Retailer 14HK$43,669 HKD
Retailer 2HK$48,337 HKD
Retailer 4HK$48,337 HKD
Retailer 11HK$48,447 HKD
Retailer 6HK$50,660 HKD
Retailer 9HK$55,194 HKD
Retailer 3HK$57,376 HKD
Retailer 10HK$59,525 HKD
Retailer 1HK$61,956 HKD
Retailer 5HK$68,513 HKD
Retailer 15HK$81,556 HKD
Retailer 8HK$98,883 HKD
Retailer 13HK$107,659 HKD
Retailer 7HK$134,415 HKD
Taylor and HartHK$172,107 HKD

42 data points across 16 retailers

16 retailersHK$41,669 HKD to HK$172,107 HKD

A
Cheapest Retailer
-
HK$41,669 HKD
$5,311 USD
A
Retailer 2
-
HK$43,669 HKD
$5,566 USD
View
A
Retailer 3
-
HK$48,337 HKD
$6,161 USD
View
Retailer 4
-
HK$48,337 HKD
$6,161 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$48,447 HKD
$6,175 USD
View
A
Retailer 6
-
HK$50,660 HKD
$6,457 USD
View
A
Retailer 7
-
HK$55,194 HKD
$7,035 USD
View
Final sale: no returns
A
Retailer 8
-
HK$57,376 HKD
$7,313 USD
View
A
Retailer 9
-
HK$59,525 HKD
$7,587 USD
View
A
Retailer 10
-
HK$61,956 HKD
£6,218 GBP
View
B+
Retailer 11
-
HK$68,513 HKD
£6,876 GBP
View
B+
Retailer 12
-
HK$81,556 HKD
$10,395 USD
View
B+
Retailer 13
-
HK$98,883 HKD
£9,924 GBP
View
B
Retailer 14
-
HK$107,659 HKD
$13,722 USD
View
B
Retailer 15
-
HK$134,415 HKD
$17,132 USD
View
Most Expensive
B
Taylor and Hart
3HNUFDP · Oct 30
HK$172,107 HKD
$21,937 USD
View
15 more retailers have this diamond
Prices start from HK$41,669 HKDSave up to HK$130,439 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
4.01ct Cushion
HK$41,669 HKD