Cushion|Lab Grown|IGI

1.30ct F SI1 Cushion Lab Grown Diamond

GD • F/SI1 • IGI LG533295017

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG533295017

Diamond specifications and retailer prices

From $386 AUD
As of November 6, 2026
Save $2,918 AUD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,304 AUD 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 standard cut grade and certified by IGI LG533295017 or 533295017. Listed at 5 retailers as of November 6, 2026, with prices from $386 to $3,304, a $2,918 spread on the same certified stone. Do Amore Diamonds lists it at $3,304. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG533295017
Dimensions6.91 × 6.15 × 4.12 mm
L/W Ratio1.12
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
6.91 mm6.15 mm1.30 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG533295017
Side View
Table 63.5%Crown 32.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 67.0%

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: Nov 6
Current: $3,304 AUD|Low: $386 AUD|High: $3,304 AUD|Avg: $1,272 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$386 AUD
Retailer 5$576 AUD
Retailer 3$720 AUD
Retailer 6$913 AUD
Retailer 8$1,108 AUD
Retailer 7$1,275 AUD
Retailer 2$1,885 AUD
Do Amore Diamonds$3,304 AUD

11 data points across 8 retailers

5 retailers$386 AUD to $3,304 AUD

A
Cheapest Retailer
-
$386 AUD
Final sale: no returns
B+
Retailer 2
-
$576 AUD
View
B+
Retailer 3
-
$720 AUD
View
B
Retailer 4
-
$1,885 AUD
View
Most Expensive
C
Do Amore Diamonds
27-171BAEA63 · Nov 6
$3,304 AUD
$2,270 USD
View
4 more retailers have this diamond
Prices start from $386 AUDSave up to $2,918 AUD

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
$386 AUD