Cushion|Natural|GIA

1.50ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 1565498678

Certificate GIA 1565498678

Diamond specifications and retailer prices

From $4,114 USD
As of November 6, 2026
Save $4,489 USD (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,603 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565498678. Listed at 16 retailers as of November 4, 2026, with prices from $4,114 to $8,603, a $4,489 spread on the same certified stone. MOH London lists it at $8,603. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565498678
Dimensions8.13 × 6.01 × 4.02 mm
L/W Ratio1.35
Girdle conditionFaceted
Top View
8.13 mm6.01 mm1.50 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565498678
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.8%

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: $8,603 USD|Low: $3,968 USD|High: $9,115 USD|Avg: $5,455 USD|-0.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 17$4,114 USD
Retailer 4$4,185 USD
Retailer 13$4,270 USD
Retailer 14$4,443 USD
Retailer 7$4,538 USD
Retailer 12$4,636 USD
Retailer 16$4,863 USD
Retailer 6$4,895 USD
Retailer 5$4,981 USD
Retailer 3$4,990 USD
Retailer 8$5,097 USD
Retailer 11$5,206 USD
Retailer 2$5,680 USD
Retailer 9$5,751 USD
Retailer 10$6,291 USD
Retailer 15$8,553 USD
MOH London$8,603 USD

23 data points across 17 retailers

16 retailers$4,114 USD to $8,603 USD

A
Cheapest Retailer
-
$4,114 USD
A
Retailer 2
-
$4,185 USD
View
A
Retailer 3
-
$4,270 USD
View
A
Retailer 4
-
$4,443 USD
View
A
Retailer 5
-
$4,538 USD
View
B+
Retailer 6
-
$4,636 USD
View
B+
Retailer 7
-
$4,863 USD
View
B+
Retailer 8
-
$4,895 USD
View
Final sale: no returns
B+
Retailer 9
-
$4,981 USD
View
B+
Retailer 10
-
$4,990 USD
View
Retailer 11
-
$5,097 USD
View
Price last confirmed 21 days ago
B+
Retailer 12
-
$5,206 USD
View
B+
Retailer 13
-
$5,680 USD
View
B
Retailer 14
-
$6,291 USD
View
B
Retailer 15
-
$8,553 USD
View
Most Expensive
B
MOH London
59BE0F6B8 · Nov 4
$8,603 USD
£6,774 GBP
View
15 more retailers have this diamond
Prices start from $4,114 USDSave up to $4,489 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
$4,114 USD