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Cushion|Lab Grown|IGI

4.07ct E IF Cushion Lab Grown Diamond

GD • E/IF • IGI LG678556777

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG678556777

Diamond specifications and retailer prices

From HK$21,340 HKD
$2,720 USD
As of October 30, 2026
Save HK$55,848 HKD (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$77,188 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.07ct lab-grown cushion diamond

This 4.07ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG678556777 or 678556777. Listed at 16 retailers as of October 30, 2026, with prices from HK$21,340 to HK$77,188, a HK$55,848 spread on the same certified stone. Taylor and Hart lists it at HK$77,188. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.07
Carat
E
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678556777
Dimensions9.22 × 9.22 × 5.93 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
9.22 mm9.22 mm4.07 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678556777
Side View
Table 64.0%Crown 36.8°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 64.3%

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$21,340 HKD|Low: HK$21,340 HKD|High: HK$87,830 HKD|Avg: HK$49,006 HKD|-18.9%
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
Taylor and Hart
October 30, 2026
Retailer 1HK$21,340 HKD
Retailer 2HK$23,655 HKD
Retailer 13HK$23,694 HKD
Retailer 8HK$25,200 HKD
Retailer 9HK$30,458 HKD
Retailer 5HK$33,250 HKD
Retailer 11HK$35,283 HKD
Retailer 16HK$41,969 HKD
Retailer 15HK$43,928 HKD
Retailer 10HK$47,072 HKD
Retailer 7HK$54,072 HKD
Retailer 3HK$56,144 HKD
Retailer 4HK$57,827 HKD
Retailer 12HK$59,525 HKD
Retailer 14HK$62,158 HKD
Retailer 6HK$76,652 HKD
Taylor and HartHK$77,188 HKD

34 data points across 17 retailers

16 retailersHK$21,340 HKD to HK$77,188 HKD

A
Cheapest Retailer
-
HK$21,340 HKD
$2,720 USD
Final sale: no returns
A
Retailer 2
-
HK$23,655 HKD
$3,015 USD
View
A
Retailer 3
-
HK$23,694 HKD
$3,020 USD
View
A
Retailer 4
-
HK$30,458 HKD
£3,057 GBP
View
A
Retailer 5
-
HK$33,250 HKD
$4,238 USD
View
A
Retailer 6
-
HK$35,283 HKD
€4,283 EUR
View
A
Retailer 7
-
HK$41,969 HKD
£4,212 GBP
View
A
Retailer 8
-
HK$43,928 HKD
$5,599 USD
View
A
Retailer 9
-
HK$47,072 HKD
ZAR 96,925 ZAR
View
Retailer 10
-
HK$54,072 HKD
A$10,603 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$56,144 HKD
$7,156 USD
View
B+
Retailer 12
-
HK$57,827 HKD
$7,371 USD
View
B+
Retailer 13
-
HK$59,525 HKD
£5,974 GBP
View
B+
Retailer 14
-
HK$62,158 HKD
$7,923 USD
View
B+
Retailer 15
-
HK$76,652 HKD
$9,770 USD
View
Most Expensive
B+
Taylor and Hart
8YIAU1J · Oct 30
HK$77,188 HKD
$9,838 USD
View
15 more retailers have this diamond
Prices start from HK$21,340 HKDSave up to HK$55,848 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
4.07ct Cushion
HK$21,340 HKD