CaratHunter
Plans
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 $1,027 NZD
$579 USD
As of November 1, 2026
Save $3,748 NZD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,775 NZD 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 $1,027 to $4,775, a $3,748 spread on the same certified stone. MOH London lists it at $4,775. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,775 NZD|Low: $735 NZD|High: $4,806 NZD|Avg: $1,931 NZD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6$1,027 NZD
Retailer 8$1,178 NZD
Retailer 7$1,384 NZD
Retailer 3$1,658 NZD
Retailer 2$1,763 NZD
Retailer 5$1,765 NZD
Retailer 4$2,156 NZD
MOH London$4,775 NZD

41 data points across 8 retailers

8 retailers$1,027 NZD to $4,775 NZD

B+
Cheapest Retailer
-
$1,027 NZD
$579 USD
Final sale: no returns
B+
Retailer 2
-
$1,178 NZD
$664 USD
View
B
Retailer 3
-
$1,384 NZD
$780 USD
View
B
Retailer 4
-
$1,658 NZD
€890 EUR
View
B
Retailer 5
-
$1,763 NZD
£782 GBP
View
B
Retailer 6
-
$1,765 NZD
$995 USD
View
Retailer 7
-
$2,156 NZD
$1,215 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG564354406 · Oct 29
$4,775 NZD
£2,119 GBP
View
7 more retailers have this diamond
Prices start from $1,027 NZDSave up to $3,748 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.

B+
1.62ct Cushion
$1,027 NZD