CaratHunter
Plans
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 $332 SGD
$260 USD
As of October 30, 2026
Save $2,119 SGD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,452 SGD 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 $332 to $2,452, a $2,119 spread on the same certified stone. Queensmith lists it at $2,452. 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: $697 SGD|Low: $332 SGD|High: $2,186 SGD|Avg: $955 SGD|-7.7%
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 7$332 SGD
Retailer 2$369 SGD
Retailer 18$409 SGD
Retailer 12$509 SGD
Retailer 13$620 SGD
Retailer 16$635 SGD
Retailer 3$670 SGD
Retailer 1$697 SGD
Retailer 5$832 SGD
Retailer 15$896 SGD
Retailer 17$902 SGD
Retailer 19$932 SGD
Retailer 8$997 SGD
Retailer 6$1,255 SGD
Retailer 9$1,282 SGD
Retailer 11$1,362 SGD
Retailer 14$1,489 SGD
Retailer 4$1,661 SGD
Retailer 10$2,186 SGD

39 data points across 19 retailers

21 retailers$332 SGD to $2,452 SGD

A
Cheapest Retailer
-
$332 SGD
$260 USD
Final sale: no returns
A
Retailer 2
-
$369 SGD
$289 USD
View
A
Retailer 3
-
$409 SGD
HK$2,500 HKD
View
A
Retailer 4
-
$509 SGD
$398 USD
View
A
Retailer 5
-
$620 SGD
€462 EUR
View
A
Retailer 6
-
$635 SGD
ZAR 8,023 ZAR
View
A
Retailer 7
-
$670 SGD
$524 USD
View
A
Retailer 8
-
$697 SGD
£430 GBP
View
A
Retailer 9
-
$762 SGD
$596 USD
View
A
Retailer 10
-
$832 SGD
$651 USD
View
A
Retailer 11
-
$896 SGD
A$1,078 AUD
View
A
Retailer 12
-
$902 SGD
A$1,085 AUD
View
A
Retailer 13
-
$932 SGD
$729 USD
View
A
Retailer 14
-
$997 SGD
View
B+
Retailer 15
-
$1,255 SGD
$982 USD
View
B+
Retailer 16
-
$1,282 SGD
$1,003 USD
View
Retailer 17
-
$1,362 SGD
A$1,639 AUD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
$1,489 SGD
£917 GBP
View
B+
Retailer 19
-
$1,661 SGD
$1,299 USD
View
B
Retailer 20
-
$2,186 SGD
$1,710 USD
View
Most Expensive
B
Queensmith
LG644488847 · Oct 27
$2,452 SGD
£1,510 GBP
View
20 more retailers have this diamond
Prices start from $332 SGDSave up to $2,119 SGD

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
$332 SGD