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Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2235932276

Certificate GIA 2235932276

Diamond specifications and retailer prices

From $2,624 USD
As of November 6, 2026
Save $3,325 USD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,949 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235932276. Listed at 9 retailers as of November 2, 2026, with prices from $2,624 to $5,949, a $3,325 spread on the same certified stone. MOH London lists it at $5,949. 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

1.50
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle34.78°
OriginNatural
Grading LabGIA
CertificateGIA 2235932276
Dimensions7.42 × 5.79 × 4.04 mm
L/W Ratio1.28
Key to symbols
Crystal, Cloud, Needle, Indented Natural
Top View
7.42 mm5.79 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235932276
Side View
Table 63.0%CrownGirdle: STK-ETKPavilion 34.78°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,949 USD|Low: $2,624 USD|High: $6,454 USD|Avg: $3,839 USD|-7.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$2,624 USD
Retailer 5$3,116 USD
Retailer 7$3,217 USD
Retailer 2$3,296 USD
Retailer 4$3,587 USD
Retailer 8$3,830 USD
Retailer 3$4,216 USD
MOH London$5,949 USD

35 data points across 8 retailers

9 retailers$2,624 USD to $5,949 USD

A
Cheapest Retailer
-
$2,624 USD
A
Retailer 2
-
$3,116 USD
View
A
Retailer 3
-
$3,217 USD
View
A
Retailer 4
-
$3,296 USD
View
A
Retailer 5
-
$3,587 USD
View
A
Retailer 6
-
$3,830 USD
View
A
Retailer 7
-
$4,015 USD
View
A
Retailer 8
-
$4,216 USD
View
Most Expensive
B+
MOH London
E4736EAF5 · Nov 2
$5,949 USD
£4,684 GBP
View
8 more retailers have this diamond
Prices start from $2,624 USDSave up to $3,325 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
1.50ct Cushion
$2,624 USD