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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 $310 USD
As of November 6, 2026
Save $1,100 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,410 USD 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 $310 to $1,410, a $1,100 spread on the same certified stone. Do Amore Diamonds lists it at $1,410. 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
Color
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: $1,410 USD|Low: $176 USD|High: $1,440 USD|Avg: $684 USD|+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$231 USD
Retailer 8$310 USD
Retailer 10$365 USD
Retailer 2$463 USD
Retailer 11$516 USD
Retailer 12$556 USD
Retailer 9$709 USD
Retailer 3$790 USD
Retailer 4$897 USD
Retailer 6$939 USD
Retailer 5$1,187 USD
Do Amore Diamonds$1,410 USD

42 data points across 12 retailers

11 retailers$310 USD to $1,410 USD

Retailer 1
-
$231 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$310 USD
View
A
Retailer 3
-
$365 USD
View
A
Retailer 4
-
$463 USD
View
A
Retailer 5
-
$516 USD
View
A
Retailer 6
-
$556 USD
View
B+
Retailer 7
-
$709 USD
View
B+
Retailer 8
-
$790 USD
View
B
Retailer 9
-
$939 USD
View
B
Retailer 10
-
$1,187 USD
View
Most Expensive
B
Do Amore Diamonds
25-203061-008 · Nov 6
$1,410 USD
View
10 more retailers have this diamond
Prices start from $310 USDSave up to $1,100 USD

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
$310 USD