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Cushion|Lab Grown|IGI

1.06ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG620421792

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG620421792

Diamond specifications and retailer prices

From HK$3,499 HKD
$446 USD
As of October 30, 2026
Save HK$11,721 HKD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$15,221 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.06ct lab-grown cushion diamond

This 1.06ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620421792 or 620421792. Listed at 18 retailers as of October 29, 2026, with prices from HK$3,499 to HK$15,221, a HK$11,721 spread on the same certified stone. Brilliant Earth lists it at HK$15,221. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.06
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421792
Dimensions7.03 × 5.54 × 3.65 mm
L/W Ratio1.27
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
7.03 mm5.54 mm1.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421792
Side View
Table 61.0%Crown 34.8°Girdle: THN-MEDPavilion 38.4°Culet: NoneDepth 65.9%

Caratlytics Score

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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 30
Current: HK$15,221 HKD|Low: HK$3,499 HKD|High: HK$15,378 HKD|Avg: HK$7,058 HKD|-1.0%
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 31, 2026
Retailer 4HK$3,499 HKD
Retailer 12HK$3,774 HKD
Retailer 11HK$4,013 HKD
Retailer 7HK$4,943 HKD
Retailer 13HK$5,060 HKD
Retailer 5HK$5,547 HKD
Retailer 2HK$6,038 HKD
Retailer 10HK$6,487 HKD
Retailer 6HK$6,840 HKD
Retailer 3HK$8,285 HKD
Retailer 8HK$9,200 HKD
Retailer 9HK$14,826 HKD
Brilliant EarthHK$15,221 HKD

42 data points across 13 retailers

18 retailersHK$3,499 HKD to HK$15,221 HKD

A
Cheapest Retailer
-
HK$3,499 HKD
$446 USD
Final sale: no returns
A
Retailer 2
-
HK$3,774 HKD
$481 USD
View
Retailer 3
-
HK$4,013 HKD
£403 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
HK$4,943 HKD
$630 USD
View
A
Retailer 5
-
HK$5,060 HKD
$645 USD
View
A
Retailer 6
-
HK$5,296 HKD
$675 USD
View
A
Retailer 7
-
HK$5,547 HKD
$707 USD
View
A
Retailer 8
-
HK$6,038 HKD
€733 EUR
View
A
Retailer 9
-
HK$6,487 HKD
ZAR 13,357 ZAR
View
B+
Retailer 10
-
HK$6,840 HKD
£686 GBP
View
Retailer 11
-
HK$8,285 HKD
$1,056 USD
View
Price last confirmed 26 days ago
Retailer 12
-
HK$8,975 HKD
A$1,760 AUD
View
Price last confirmed 144 days ago
B+
Retailer 13
-
HK$9,200 HKD
A$1,804 AUD
View
Retailer 14
-
HK$11,000 HKD
£1,104 GBP
View
Price last confirmed 27 days ago
B
Retailer 15
-
HK$12,428 HKD
$1,584 USD
View
B
Retailer 16
-
HK$13,808 HKD
$1,760 USD
View
B
Retailer 17
-
HK$14,826 HKD
£1,488 GBP
View
Most Expensive
B
Brilliant Earth
11259141A · Oct 29
HK$15,221 HKD
$1,940 USD
View
17 more retailers have this diamond
Prices start from HK$3,499 HKDSave up to HK$11,721 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
1.06ct Cushion
HK$3,499 HKD