Cushion|Lab Grown|IGI

4.00ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG834612706

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG834612706

Diamond specifications and retailer prices

From HK$7,826 HKD
€950 EUR
As of October 27, 2026
Save HK$39,013 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$46,839 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 4ct lab-grown cushion diamond

This 4ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG834612706 or 834612706. Listed at 12 retailers as of October 26, 2026, with prices from HK$7,826 to HK$46,839, a HK$39,013 spread on the same certified stone. Brilliant Earth lists it at HK$46,839. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834612706
Dimensions10.54 × 8.86 × 5.24 mm
L/W Ratio1.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.54 mm8.86 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834612706
Side View
Table 63.0%Crown 31.6°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: HK$46,839 HKD|Low: HK$3,913 HKD|High: HK$46,917 HKD|Avg: HK$13,230 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 27, 2026
Retailer 6HK$3,913 HKD
Retailer 5HK$4,221 HKD
Retailer 11HK$6,277 HKD
Retailer 12HK$7,061 HKD
Retailer 7HK$7,712 HKD
Retailer 2HK$7,826 HKD
Retailer 3HK$10,733 HKD
Retailer 9HK$10,913 HKD
Retailer 4HK$15,261 HKD
Retailer 13HK$15,633 HKD
Retailer 10HK$17,367 HKD
Retailer 8HK$18,084 HKD
Brilliant EarthHK$46,839 HKD

33 data points across 13 retailers

12 retailersHK$7,826 HKD to HK$46,839 HKD

Retailer 1
-
HK$3,913 HKD
£393 GBP
Price last confirmed 9 days ago
Retailer 2
-
HK$6,277 HKD
$800 USD
View
Price last confirmed 9 days ago
Retailer 3
-
HK$7,061 HKD
$900 USD
View
Price last confirmed 9 days ago
Retailer 4
-
HK$7,712 HKD
£774 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
HK$7,826 HKD
€950 EUR
View
Retailer 6
-
HK$10,733 HKD
$1,368 USD
View
Price last confirmed 9 days ago
Retailer 7
-
HK$10,913 HKD
$1,391 USD
View
Price last confirmed 9 days ago
Retailer 8
-
HK$15,261 HKD
$1,945 USD
View
Price last confirmed 9 days ago
Retailer 9
-
HK$15,633 HKD
$1,993 USD
View
Price last confirmed 9 days ago
Retailer 10
-
HK$17,367 HKD
£1,743 GBP
View
Price last confirmed 15 days ago
Retailer 11
-
HK$18,084 HKD
$2,305 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21669687A · Oct 26
HK$46,839 HKD
$5,970 USD
View
11 more retailers have this diamond
Prices start from HK$7,826 HKDSave up to HK$39,013 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
4.00ct Cushion
HK$7,826 HKD