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Cushion|Lab Grown|IGI

1.56ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG613383062

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG613383062

Diamond specifications and retailer prices

From $393 USD
€374 EUR
As of October 31, 2026
Save $791 USD (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,184 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.56ct lab-grown cushion diamond

This 1.56ct 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 LG613383062 or 613383062. Listed at 9 retailers as of October 31, 2026, with prices from $393 to $1,184, a $791 spread on the same certified stone. MOH London lists it at $1,184. 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

1.56
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613383062
Dimensions6.84 × 6.72 × 4.39 mm
L/W Ratio1.02
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 mm6.72 mm1.56 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613383062
Side View
Table 62.0%Crown 36.3°Girdle: MED-STKPavilion 39°Culet: NoneDepth 65.3%

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: Oct 31
Current: $1,184 USD|Low: $219 USD|High: $1,198 USD|Avg: $634 USD|+15.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8$253 USD
Retailer 7$326 USD
Retailer 4$393 USD
Retailer 11$437 USD
Retailer 2$465 USD
Retailer 10$490 USD
Retailer 9$586 USD
Retailer 6$865 USD
Retailer 3$964 USD
Retailer 5$1,020 USD
MOH London$1,184 USD

39 data points across 11 retailers

9 retailers$393 USD to $1,184 USD

Retailer 1
-
$253 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$393 USD
€374 EUR
View
B+
Retailer 3
-
$437 USD
View
A
Retailer 4
-
$465 USD
£366 GBP
View
A
Retailer 5
-
$490 USD
View
A
Retailer 6
-
$586 USD
View
B
Retailer 7
-
$964 USD
View
B+
Retailer 8
-
$1,020 USD
View
Most Expensive
B
MOH London
LG613383062 · Nov 1
$1,184 USD
£932 GBP
View
8 more retailers have this diamond
Prices start from $393 USDSave up to $791 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.

A
1.56ct Cushion
$393 USD