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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 $579 USD
As of October 30, 2026
Save $2,112 USD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,691 USD 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 $579 to $2,691, a $2,112 spread on the same certified stone. MOH London lists it at $2,691. 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
Color
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: $2,691 USD|Low: $414 USD|High: $2,709 USD|Avg: $1,083 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6$579 USD
Retailer 8$664 USD
Retailer 7$780 USD
Retailer 2$935 USD
Retailer 3$985 USD
Retailer 5$995 USD
Retailer 4$1,215 USD
MOH London$2,691 USD

41 data points across 8 retailers

8 retailers$579 USD to $2,691 USD

B+
Cheapest Retailer
-
$579 USD
Final sale: no returns
B+
Retailer 2
-
$664 USD
View
B
Retailer 3
-
$780 USD
View
B
Retailer 4
-
$935 USD
€890 EUR
View
B
Retailer 5
-
$985 USD
£776 GBP
View
B
Retailer 6
-
$995 USD
View
Retailer 7
-
$1,215 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG564354406 · Oct 29
$2,691 USD
£2,119 GBP
View
7 more retailers have this diamond
Prices start from $579 USDSave up to $2,112 USD

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
$579 USD