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Cushion|Lab Grown|IGI

1.30ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG534253146

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG534253146

Diamond specifications and retailer prices

From $397 SGD
As of November 6, 2026
Save $1,410 SGD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,807 SGD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG534253146 or 534253146. Listed at 11 retailers as of November 6, 2026, with prices from $397 to $1,807, a $1,410 spread on the same certified stone. Do Amore Diamonds lists it at $1,807. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534253146
Dimensions6.84 × 5.96 × 3.99 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.84 mm5.96 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534253146
Side View
Table 61.5%Crown 36.1°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
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: Nov 6
Current: $1,807 SGD|Low: $226 SGD|High: $1,846 SGD|Avg: $877 SGD|+1.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$296 SGD
Retailer 8$397 SGD
Retailer 10$468 SGD
Retailer 2$593 SGD
Retailer 11$661 SGD
Retailer 12$713 SGD
Retailer 9$909 SGD
Retailer 3$1,012 SGD
Retailer 4$1,150 SGD
Retailer 6$1,203 SGD
Retailer 5$1,521 SGD
Do Amore Diamonds$1,807 SGD

42 data points across 12 retailers

11 retailers$397 SGD to $1,807 SGD

Retailer 1
-
$296 SGD
Price last confirmed 13 days ago
B+
Retailer 2
-
$397 SGD
View
A
Retailer 3
-
$468 SGD
View
A
Retailer 4
-
$593 SGD
View
A
Retailer 5
-
$661 SGD
View
A
Retailer 6
-
$713 SGD
View
B+
Retailer 7
-
$909 SGD
View
B+
Retailer 8
-
$1,012 SGD
View
B
Retailer 9
-
$1,203 SGD
View
B
Retailer 10
-
$1,521 SGD
View
Most Expensive
B
Do Amore Diamonds
25-203061-008 · Nov 6
$1,807 SGD
$1,410 USD
View
10 more retailers have this diamond
Prices start from $397 SGDSave up to $1,410 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
$397 SGD