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Cushion|Lab Grown|IGI

4.05ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG760519436

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG760519436

Diamond specifications and retailer prices

From HK$24,941 HKD
$3,179 USD
As of October 30, 2026
Save HK$65,113 HKD (72%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$90,055 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG760519436 or 760519436. Listed at 19 retailers as of October 30, 2026, with prices from HK$24,941 to HK$90,055, a HK$65,113 spread on the same certified stone. Taylor and Hart lists it at HK$90,055. 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

4.05
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760519436
Dimensions9.25 × 9.25 × 6.18 mm
L/W Ratio1.00
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
9.25 mm9.25 mm4.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760519436
Side View
Table 62.0%Crown 37.1°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 66.8%

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$24,941 HKD|Low: HK$24,941 HKD|High: HK$94,431 HKD|Avg: HK$53,057 HKD|-8.9%
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
Taylor and Hart
October 30, 2026
Retailer 1HK$24,941 HKD
Retailer 6HK$26,715 HKD
Retailer 3HK$27,107 HKD
Retailer 9HK$27,123 HKD
Retailer 10HK$34,917 HKD
Retailer 4HK$38,852 HKD
Retailer 12HK$41,313 HKD
Retailer 16HK$44,599 HKD
Retailer 15HK$44,634 HKD
Retailer 11HK$55,014 HKD
Retailer 8HK$57,352 HKD
Retailer 7HK$58,203 HKD
Retailer 17HK$61,840 HKD
Retailer 13HK$65,862 HKD
Retailer 2HK$67,698 HKD
Retailer 14HK$71,944 HKD
Retailer 5HK$77,045 HKD
Taylor and HartHK$90,055 HKD

33 data points across 18 retailers

19 retailersHK$24,941 HKD to HK$90,055 HKD

A
Cheapest Retailer
-
HK$24,941 HKD
$3,179 USD
Final sale: no returns
A
Retailer 2
-
HK$26,715 HKD
$3,405 USD
View
A
Retailer 3
-
HK$27,107 HKD
$3,455 USD
View
Retailer 4
-
HK$27,123 HKD
$3,457 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
HK$34,917 HKD
£3,504 GBP
View
Retailer 6
-
HK$37,588 HKD
£3,772 GBP
View
Price last confirmed 18 days ago
A
Retailer 7
-
HK$38,852 HKD
$4,952 USD
View
A
Retailer 8
-
HK$41,313 HKD
€5,015 EUR
View
A
Retailer 9
-
HK$44,599 HKD
£4,476 GBP
View
A
Retailer 10
-
HK$44,634 HKD
$5,689 USD
View
A
Retailer 11
-
HK$55,014 HKD
ZAR 113,279 ZAR
View
Retailer 12
-
HK$57,352 HKD
$7,310 USD
View
Price last confirmed 11 days ago
Retailer 13
-
HK$58,203 HKD
A$11,413 AUD
View
Price last confirmed 8 days ago
A
Retailer 14
-
HK$61,840 HKD
$7,882 USD
View
A
Retailer 15
-
HK$65,862 HKD
£6,610 GBP
View
B+
Retailer 16
-
HK$67,698 HKD
$8,629 USD
View
B+
Retailer 17
-
HK$71,944 HKD
$9,170 USD
View
B+
Retailer 18
-
HK$77,045 HKD
$9,820 USD
View
Most Expensive
B+
Taylor and Hart
7VGQJQS · Oct 30
HK$90,055 HKD
$11,478 USD
View
18 more retailers have this diamond
Prices start from HK$24,941 HKDSave up to HK$65,113 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
4.05ct Cushion
HK$24,941 HKD