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Cushion|Lab Grown|IGI

1.34ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG786601792

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

Certificate IGI LG786601792

Diamond specifications and retailer prices

From $420 NZD
As of November 6, 2026
Save $1,632 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,053 NZD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.34ct lab-grown cushion diamond

This 1.34ct 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 LG786601792 or 786601792. Listed at 11 retailers as of November 6, 2026, with prices from $420 to $2,053, a $1,632 spread on the same certified stone. Reve Diamonds lists it at $2,053. 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

1.34
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786601792
Dimensions6.42 × 6.41 × 4.26 mm
L/W Ratio1.00
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
6.42 mm6.41 mm1.34 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786601792
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 66.5%

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: $729 NZD|Low: $393 NZD|High: $2,381 NZD|Avg: $1,185 NZD|+7.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 7, 2026
Retailer 9$420 NZD
Retailer 3$685 NZD
Retailer 10$720 NZD
Retailer 1$729 NZD
Retailer 8$888 NZD
Retailer 6$1,068 NZD
Retailer 7$1,145 NZD
Retailer 2$1,409 NZD
Retailer 4$1,786 NZD
Retailer 5$1,903 NZD
Reve Diamonds$2,053 NZD

45 data points across 11 retailers

11 retailers$420 NZD to $2,053 NZD

A
Cheapest Retailer
-
$420 NZD
Final sale: no returns
A
Retailer 2
-
$685 NZD
View
B+
Retailer 3
-
$720 NZD
View
A
Retailer 4
-
$729 NZD
View
A
Retailer 5
-
$888 NZD
View
B+
Retailer 6
-
$1,068 NZD
View
B+
Retailer 7
-
$1,145 NZD
View
B+
Retailer 8
-
$1,409 NZD
View
B
Retailer 9
-
$1,786 NZD
View
B
Retailer 10
-
$1,903 NZD
View
Most Expensive
B
Reve Diamonds
2FD766B8B · Nov 6
$2,053 NZD
$1,138 USD
View
10 more retailers have this diamond
Prices start from $420 NZDSave up to $1,632 NZD

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
1.34ct Cushion
$420 NZD