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Cushion|Lab Grown|IGI

1.30ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG831696571

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831696571

Diamond specifications and retailer prices

From $396 SGD
$310 USD
As of October 25, 2026
Save $2,168 SGD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,564 SGD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.3ct lab-grown cushion diamond

This 1.3ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831696571 or 831696571. Listed at 17 retailers as of October 25, 2026, with prices from $396 to $2,564, a $2,168 spread on the same certified stone. Helzberg Diamonds lists it at $2,564. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696571
Dimensions7.97 × 5.36 × 3.57 mm
L/W Ratio1.49
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
7.97 mm5.36 mm1.30 ctE / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696571
Side View
Table 62.0%Crown 33.3°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $2,564 SGD|Low: $396 SGD|High: $3,413 SGD|Avg: $1,281 SGD
Helzberg Diamonds
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
October 31, 2026
Retailer 16$396 SGD
Retailer 4$421 SGD
Retailer 5$438 SGD
Retailer 11$588 SGD
Retailer 8$663 SGD
Retailer 15$681 SGD
Retailer 7$722 SGD
Retailer 10$754 SGD
Retailer 2$851 SGD
Retailer 12$997 SGD
Retailer 3$1,140 SGD
Retailer 6$1,341 SGD
Retailer 14$1,598 SGD
Retailer 9$1,688 SGD
Retailer 17$2,288 SGD
Retailer 13$2,391 SGD
Helzberg Diamonds$2,564 SGD

19 data points across 17 retailers

17 retailers$396 SGD to $2,564 SGD

A
Cheapest Retailer
-
$396 SGD
$310 USD
Retailer 2
-
$421 SGD
£260 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$438 SGD
$343 USD
View
Final sale: no returns
A
Retailer 4
-
$588 SGD
$460 USD
View
A
Retailer 5
-
$663 SGD
$519 USD
View
A
Retailer 6
-
$681 SGD
ZAR 8,607 ZAR
View
A
Retailer 7
-
$722 SGD
$565 USD
View
A
Retailer 8
-
$754 SGD
£465 GBP
View
A
Retailer 9
-
$851 SGD
€634 EUR
View
A
Retailer 10
-
$997 SGD
$780 USD
View
A
Retailer 11
-
$1,140 SGD
$892 USD
View
B+
Retailer 12
-
$1,341 SGD
$1,049 USD
View
B+
Retailer 13
-
$1,598 SGD
£984 GBP
View
B+
Retailer 14
-
$1,688 SGD
View
Retailer 15
-
$2,288 SGD
$1,790 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$2,391 SGD
$1,870 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPMLNH · Oct 30
$2,564 SGD
$2,006 USD
View
16 more retailers have this diamond
Prices start from $396 SGDSave up to $2,168 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
1.30ct Cushion
$396 SGD