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Cushion|Lab Grown|IGI

1.62ct D SI1 Cushion Lab Grown Diamond

GD • D/SI1 • IGI LG564354406

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG564354406

Diamond specifications and retailer prices

From $824 AUD
$579 USD
As of October 30, 2026
Save $3,007 AUD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,831 AUD at MOH London · As of October 29, 2026
View at MOH London

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 D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG564354406 or 564354406. Listed at 8 retailers as of October 29, 2026, with prices from $824 to $3,831, a $3,007 spread on the same certified stone. MOH London lists it at $3,831. 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

1.62
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564354406
Dimensions6.72 × 6.65 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.72 mm6.65 mm1.62 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG564354406
Side View
Table 62.0%Crown 31.2°Girdle: MED-THKPavilion 38°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,831 AUD|Low: $589 AUD|High: $3,856 AUD|Avg: $1,550 AUD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6$824 AUD
Retailer 8$945 AUD
Retailer 7$1,110 AUD
Retailer 3$1,330 AUD
Retailer 2$1,414 AUD
Retailer 5$1,416 AUD
Retailer 4$1,730 AUD
MOH London$3,831 AUD

41 data points across 8 retailers

8 retailers$824 AUD to $3,831 AUD

B+
Cheapest Retailer
-
$824 AUD
$579 USD
Final sale: no returns
B+
Retailer 2
-
$945 AUD
$664 USD
View
B
Retailer 3
-
$1,110 AUD
$780 USD
View
B
Retailer 4
-
$1,330 AUD
€890 EUR
View
B
Retailer 5
-
$1,414 AUD
£782 GBP
View
B
Retailer 6
-
$1,416 AUD
$995 USD
View
Retailer 7
-
$1,730 AUD
$1,215 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG564354406 · Oct 29
$3,831 AUD
£2,119 GBP
View
7 more retailers have this diamond
Prices start from $824 AUDSave up to $3,007 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.

B+
1.62ct Cushion
$824 AUD