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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG689562075

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689562075

Diamond specifications and retailer prices

From $444 SGD
$347 USD
As of October 30, 2026
Save $1,845 SGD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,288 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct 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 LG689562075 or 689562075. Listed at 16 retailers as of October 29, 2026, with prices from $444 to $2,288, a $1,845 spread on the same certified stone. Brilliant Earth lists it at $2,288. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562075
Dimensions6.87 × 5.33 × 3.55 mm
L/W Ratio1.29
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
6.87 mm5.33 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562075
Side View
Table 59.0%Crown 36.4°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 66.6%

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: $2,288 SGD|Low: $438 SGD|High: $2,288 SGD|Avg: $1,136 SGD|+1.7%
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 2$444 SGD
Retailer 3$492 SGD
Retailer 14$748 SGD
Retailer 15$754 SGD
Retailer 16$796 SGD
Retailer 5$800 SGD
Retailer 13$845 SGD
Retailer 9$876 SGD
Retailer 10$914 SGD
Retailer 12$1,243 SGD
Retailer 4$1,272 SGD
Retailer 7$1,640 SGD
Retailer 8$1,814 SGD
Retailer 6$1,976 SGD
Retailer 11$1,982 SGD
Brilliant Earth$2,288 SGD

39 data points across 16 retailers

16 retailers$444 SGD to $2,288 SGD

A
Cheapest Retailer
-
$444 SGD
$347 USD
Final sale: no returns
A
Retailer 2
-
$492 SGD
$385 USD
View
A
Retailer 3
-
$748 SGD
$585 USD
View
A
Retailer 4
-
$754 SGD
$590 USD
View
A
Retailer 5
-
$796 SGD
$623 USD
View
A
Retailer 6
-
$800 SGD
$626 USD
View
A
Retailer 7
-
$845 SGD
ZAR 10,680 ZAR
View
A
Retailer 8
-
$876 SGD
£539 GBP
View
A
Retailer 9
-
$914 SGD
€681 EUR
View
B+
Retailer 10
-
$1,243 SGD
A$1,496 AUD
View
B+
Retailer 11
-
$1,272 SGD
$995 USD
View
B
Retailer 12
-
$1,640 SGD
$1,283 USD
View
B
Retailer 13
-
$1,851 SGD
$1,448 USD
View
B
Retailer 14
-
$1,976 SGD
$1,546 USD
View
B
Retailer 15
-
$1,982 SGD
£1,221 GBP
View
Most Expensive
B
Brilliant Earth
15714260A · Oct 29
$2,288 SGD
$1,790 USD
View
15 more retailers have this diamond
Prices start from $444 SGDSave up to $1,845 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
1.00ct Cushion
$444 SGD