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Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG841628633

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

Certificate IGI LG841628633

Diamond specifications and retailer prices

From HK$4,339 HKD
$553 USD
As of October 30, 2026
Save HK$10,647 HKD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$14,985 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG841628633 or 841628633. Listed at 10 retailers as of October 29, 2026, with prices from HK$4,339 to HK$14,985, a HK$10,647 spread on the same certified stone. Brilliant Earth lists it at HK$14,985. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841628633
Dimensions5.87 × 5.85 × 3.79 mm
L/W Ratio1.00
Girdle conditionFaceted
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
5.87 mm5.85 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841628633
Side View
Table 64.0%Crown 32.7°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 64.8%

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$8,575 HKD|Low: HK$4,339 HKD|High: HK$10,612 HKD|Avg: HK$7,085 HKD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8HK$4,339 HKD
Retailer 6HK$4,519 HKD
Retailer 7HK$4,739 HKD
Retailer 2HK$5,020 HKD
Retailer 4HK$7,854 HKD
Retailer 1HK$8,575 HKD
Retailer 9HK$9,242 HKD
Retailer 5HK$10,121 HKD
Retailer 3HK$10,502 HKD

21 data points across 9 retailers

10 retailersHK$4,339 HKD to HK$14,985 HKD

A
Cheapest Retailer
-
HK$4,339 HKD
$553 USD
A
Retailer 2
-
HK$4,519 HKD
$576 USD
View
A
Retailer 3
-
HK$4,739 HKD
$604 USD
View
A
Retailer 4
-
HK$5,020 HKD
£504 GBP
View
B+
Retailer 5
-
HK$7,854 HKD
A$1,540 AUD
View
B+
Retailer 6
-
HK$8,575 HKD
$1,093 USD
View
B+
Retailer 7
-
HK$9,242 HKD
$1,178 USD
View
Retailer 8
-
HK$10,121 HKD
$1,290 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
HK$10,502 HKD
£1,054 GBP
View
Most Expensive
B
Brilliant Earth
22302465A · Oct 29
HK$14,985 HKD
$1,910 USD
View
9 more retailers have this diamond
Prices start from HK$4,339 HKDSave up to HK$10,647 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
1.03ct Cushion
HK$4,339 HKD