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Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2241066059

Certificate GIA 2241066059

Diamond specifications and retailer prices

From $2,009 USD
As of November 6, 2026
Save $2,748 USD (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,757 USD at MOH London · As of November 4, 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 2241066059. Listed at 8 retailers as of November 4, 2026, with prices from $2,009 to $4,757, a $2,748 spread on the same certified stone. MOH London lists it at $4,757. 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
FluorescenceMedium
Pavilion angle36.03°
OriginNatural
Grading LabGIA
CertificateGIA 2241066059
Dimensions7.55 × 5.90 × 4.11 mm
L/W Ratio1.28
Key to symbols
Crystal, Feather
Top View
7.55 mm5.90 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2241066059
Side View
Table 62.0%CrownGirdle: STK-VTKPavilion 36.03°Culet: NoneDepth 69.8%

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: $4,757 USD|Low: $2,009 USD|High: $5,260 USD|Avg: $3,319 USD|-9.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$2,009 USD
Retailer 3$2,479 USD
Retailer 5$2,482 USD
Retailer 4$2,690 USD
Retailer 7$2,967 USD
Retailer 2$3,683 USD
Retailer 9$3,794 USD
Retailer 8$4,273 USD
MOH London$4,757 USD

29 data points across 9 retailers

8 retailers$2,009 USD to $4,757 USD

A
Cheapest Retailer
-
$2,009 USD
A
Retailer 2
-
$2,479 USD
View
A
Retailer 3
-
$2,482 USD
View
A
Retailer 4
-
$2,690 USD
View
A
Retailer 5
-
$2,967 USD
View
A
Retailer 6
-
$3,683 USD
View
Retailer 7
-
$4,273 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
MOH London
408F274C1 · Nov 4
$4,757 USD
£3,746 GBP
View
7 more retailers have this diamond
Prices start from $2,009 USDSave up to $2,748 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
$2,009 USD