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Cushion|Lab Grown|IGI

1.09ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG641493522

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG641493522

Diamond specifications and retailer prices

From HK$2,103 HKD
$268 USD
As of October 30, 2026
Save HK$15,550 HKD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$17,653 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown cushion diamond

This 1.09ct 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 LG641493522 or 641493522. Listed at 5 retailers as of October 30, 2026, with prices from HK$2,103 to HK$17,653, a HK$15,550 spread on the same certified stone. Do Amore Diamonds lists it at HK$17,653. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641493522
Dimensions6.00 × 5.91 × 3.98 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.00 mm5.91 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641493522
Side View
Table 62.0%Crown 35.1°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 67.3%

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$17,653 HKD|Low: HK$2,103 HKD|High: HK$18,045 HKD|Avg: HK$6,960 HKD|-2.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7HK$2,103 HKD
Retailer 6HK$3,852 HKD
Retailer 9HK$3,962 HKD
Retailer 8HK$4,213 HKD
Retailer 4HK$5,354 HKD
Retailer 12HK$5,641 HKD
Retailer 5HK$6,120 HKD
Retailer 11HK$6,465 HKD
Retailer 3HK$7,475 HKD
Retailer 2HK$10,123 HKD
Retailer 10HK$10,907 HKD
Do Amore DiamondsHK$17,653 HKD

15 data points across 12 retailers

5 retailersHK$2,103 HKD to HK$17,653 HKD

A
Cheapest Retailer
-
HK$2,103 HKD
$268 USD
Final sale: no returns
A
Retailer 2
-
HK$3,852 HKD
$491 USD
View
A
Retailer 3
-
HK$6,120 HKD
A$1,200 AUD
View
B+
Retailer 4
-
HK$10,123 HKD
£1,016 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8A23EE399 · Oct 31
HK$17,653 HKD
$2,250 USD
View
4 more retailers have this diamond
Prices start from HK$2,103 HKDSave up to HK$15,550 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
1.09ct Cushion
HK$2,103 HKD