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Cushion|Lab Grown|IGI

1.62ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG607322856

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG607322856

Diamond specifications and retailer prices

From $398 NZD
$224 USD
As of November 1, 2026
Save $3,014 NZD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,412 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown cushion diamond

This 1.62ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607322856 or 607322856. Listed at 5 retailers as of November 1, 2026, with prices from $398 to $3,412, a $3,014 spread on the same certified stone. Do Amore Diamonds lists it at $3,412. 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

1.62
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607322856
Dimensions6.84 × 6.77 × 4.48 mm
L/W Ratio1.01
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 mm6.77 mm1.62 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607322856
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 66.2%

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 1
Current: $3,412 NZD|Low: $263 NZD|High: $3,466 NZD|Avg: $1,485 NZD|+3.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$398 NZD
Retailer 5$766 NZD
Retailer 9$818 NZD
Retailer 10$988 NZD
Retailer 6$1,257 NZD
Retailer 7$1,418 NZD
Retailer 3$1,555 NZD
Retailer 4$1,975 NZD
Retailer 8$2,275 NZD
Do Amore Diamonds$3,412 NZD

14 data points across 10 retailers

5 retailers$398 NZD to $3,412 NZD

A
Cheapest Retailer
-
$398 NZD
$224 USD
Final sale: no returns
B+
Retailer 2
-
$766 NZD
$431 USD
View
B+
Retailer 3
-
$1,555 NZD
$875 USD
View
Retailer 4
-
$1,975 NZD
£875 GBP
View
Price last confirmed 19 days ago
Most Expensive
B
Do Amore Diamonds
27-C35AEE821 · Nov 2
$3,412 NZD
$1,920 USD
View
4 more retailers have this diamond
Prices start from $398 NZDSave up to $3,014 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
1.62ct Cushion
$398 NZD