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Cushion|Lab Grown|IGI

1.09ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG644488847

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG644488847

Diamond specifications and retailer prices

From HK$2,040 HKD
$260 USD
As of October 30, 2026
Save HK$13,006 HKD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$15,046 HKD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG644488847 or 644488847. Listed at 21 retailers as of October 27, 2026, with prices from HK$2,040 to HK$15,046, a HK$13,006 spread on the same certified stone. Queensmith lists it at HK$15,046. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644488847
Dimensions5.57 × 5.57 × 3.50 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
5.57 mm5.57 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644488847
Side View
Table 57.0%Crown 31.6°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 62.8%

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$3,781 HKD|Low: HK$2,040 HKD|High: HK$13,416 HKD|Avg: HK$5,818 HKD|-0.6%
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
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 7HK$2,040 HKD
Retailer 2HK$2,267 HKD
Retailer 18HK$2,511 HKD
Retailer 13HK$3,123 HKD
Retailer 1HK$3,781 HKD
Retailer 16HK$3,896 HKD
Retailer 3HK$4,111 HKD
Retailer 12HK$4,280 HKD
Retailer 5HK$5,108 HKD
Retailer 15HK$5,497 HKD
Retailer 17HK$5,533 HKD
Retailer 19HK$5,720 HKD
Retailer 8HK$6,119 HKD
Retailer 6HK$7,701 HKD
Retailer 9HK$7,869 HKD
Retailer 11HK$8,358 HKD
Retailer 14HK$9,137 HKD
Retailer 4HK$10,194 HKD
Retailer 10HK$13,416 HKD

39 data points across 19 retailers

21 retailersHK$2,040 HKD to HK$15,046 HKD

A
Cheapest Retailer
-
HK$2,040 HKD
$260 USD
Final sale: no returns
A
Retailer 2
-
HK$2,267 HKD
$289 USD
View
A
Retailer 3
-
HK$2,511 HKD
View
A
Retailer 4
-
HK$3,123 HKD
$398 USD
View
A
Retailer 5
-
HK$3,781 HKD
€459 EUR
View
A
Retailer 6
-
HK$3,896 HKD
ZAR 8,023 ZAR
View
A
Retailer 7
-
HK$4,111 HKD
$524 USD
View
A
Retailer 8
-
HK$4,280 HKD
£430 GBP
View
A
Retailer 9
-
HK$4,676 HKD
$596 USD
View
A
Retailer 10
-
HK$5,108 HKD
$651 USD
View
A
Retailer 11
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HK$5,497 HKD
A$1,078 AUD
View
A
Retailer 12
-
HK$5,533 HKD
A$1,085 AUD
View
A
Retailer 13
-
HK$5,720 HKD
$729 USD
View
A
Retailer 14
-
HK$6,119 HKD
SGD 1,054 SGD
View
B+
Retailer 15
-
HK$7,701 HKD
$982 USD
View
B+
Retailer 16
-
HK$7,869 HKD
$1,003 USD
View
Retailer 17
-
HK$8,358 HKD
A$1,639 AUD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
HK$9,137 HKD
£917 GBP
View
B+
Retailer 19
-
HK$10,194 HKD
$1,299 USD
View
B
Retailer 20
-
HK$13,416 HKD
$1,710 USD
View
Most Expensive
B
Queensmith
LG644488847 · Oct 27
HK$15,046 HKD
£1,510 GBP
View
20 more retailers have this diamond
Prices start from HK$2,040 HKDSave up to HK$13,006 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$2,040 HKD