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Cushion|Lab Grown|GIA

1.50ct I SI1 Cushion Lab Grown Diamond

I/SI1 • GIA 7381698181

Certificate GIA 7381698181

Diamond specifications and retailer prices

From $448 USD
As of November 6, 2026
Save $892 USD (67%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,340 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 7381698181. Listed at 4 retailers as of November 2, 2026, with prices from $448 to $1,340, a $892 spread on the same certified stone. MOH London lists it at $1,340. 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

1.50
Carat
I
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7381698181
Dimensions7.32 × 5.82 × 4.07 mm
L/W Ratio1.26
Culet sizeNone
Key to symbols
Feather, Cavity, Growth Remnant
Top View
7.32 mm5.82 mm1.50 ctI / SI1
OriginLab Grown
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7381698181
Side View
Table 65.0%CrownGirdle: VTH-EXTPavilionCulet: NoneDepth 70.0%

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: Nov 6
Current: $1,340 USD|Low: $448 USD|High: $1,355 USD|Avg: $906 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$448 USD
Retailer 5$470 USD
Retailer 2$1,066 USD
Retailer 3$1,242 USD
MOH London$1,340 USD

10 data points across 5 retailers

4 retailers$448 USD to $1,340 USD

B+
Cheapest Retailer
-
$448 USD
B
Retailer 2
-
$1,066 USD
View
B
Retailer 3
-
$1,242 USD
View
Most Expensive
B
MOH London
7381698181 · Nov 2
$1,340 USD
£1,055 GBP
View
3 more retailers have this diamond
Prices start from $448 USDSave up to $892 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+
1.50ct Cushion
$448 USD