Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG818663185

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

Certificate IGI LG818663185

Diamond specifications and retailer prices

From $2,045 SGD
$1,600 USD
As of October 24, 2026
11 retailers carry this diamond
Most expensive: $2,045 SGD at Brilliant Earth
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 LG818663185 or 818663185. Listed at 11 retailers as of October 24, 2026. 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 angle34.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663185
Dimensions6.08 × 6.02 × 3.81 mm
L/W Ratio1.01
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
6.08 mm6.02 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663185
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 24
Current: $2,045 SGD|Low: $265 SGD|High: $2,109 SGD|Avg: $981 SGD|-3.0%
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
October 24, 2026
Retailer 12$341 SGD
Retailer 4$380 SGD
Retailer 6$630 SGD
Retailer 5$639 SGD
Retailer 3$642 SGD
Retailer 7$642 SGD
Retailer 2$694 SGD
Retailer 10$759 SGD
Retailer 11$1,288 SGD
Retailer 9$1,541 SGD
Retailer 8$1,649 SGD
Retailer 13$1,688 SGD
Brilliant Earth$2,045 SGD

30 data points across 13 retailers

11 retailers

Retailer 1
-
$380 SGD
$297 USD
Price last confirmed 18 days ago
Retailer 2
-
$630 SGD
€469 EUR
View
Price last confirmed 7 days ago
Retailer 3
-
$642 SGD
$502 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$642 SGD
ZAR 8,119 ZAR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$694 SGD
£428 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
$759 SGD
$594 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$1,288 SGD
$1,007 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$1,541 SGD
£949 GBP
View
Price last confirmed 20 days ago
Retailer 9
-
$1,649 SGD
$1,290 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$1,688 SGD
$1,320 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21242453A · Oct 24
$2,045 SGD
$1,600 USD
View
10 more retailers have this diamond

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
$2,045 SGD