Cushion|Natural|GIA

1.03ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2556000386

Certificate GIA 2556000386

Diamond specifications and retailer prices

From $1,203 USD
As of November 6, 2026
Save $1,463 USD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,666 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-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 2556000386. Listed at 22 retailers as of November 4, 2026, with prices from $1,203 to $2,666, a $1,463 spread on the same certified stone. MOH London lists it at $2,666. 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

1.03
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556000386
Dimensions6.45 × 5.28 × 3.67 mm
L/W Ratio1.22
Top View
6.45 mm5.28 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556000386
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.6%

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: $2,666 USD|Low: $1,177 USD|High: $2,687 USD|Avg: $1,634 USD|-0.8%
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
Retailer 18
Retailer 19
November 6, 2026
Retailer 4$1,203 USD
Retailer 19$1,274 USD
Retailer 6$1,276 USD
Retailer 16$1,333 USD
Retailer 7$1,335 USD
Retailer 9$1,408 USD
Retailer 2$1,412 USD
Retailer 3$1,440 USD
Retailer 18$1,478 USD
Retailer 12$1,480 USD
Retailer 11$1,505 USD
Retailer 5$1,592 USD
Retailer 10$1,608 USD
Retailer 8$1,672 USD
Retailer 15$1,685 USD
Retailer 14$1,862 USD
Retailer 13$2,072 USD
Retailer 17$2,447 USD
MOH London$2,666 USD

20 data points across 19 retailers

22 retailers$1,203 USD to $2,666 USD

A
Cheapest Retailer
-
$1,203 USD
A
Retailer 2
-
$1,274 USD
View
A
Retailer 3
-
$1,276 USD
View
Final sale: no returns
A
Retailer 4
-
$1,333 USD
View
A
Retailer 5
-
$1,335 USD
View
A
Retailer 6
-
$1,408 USD
View
A
Retailer 7
-
$1,412 USD
View
A
Retailer 8
-
$1,440 USD
View
A
Retailer 9
-
$1,478 USD
View
A
Retailer 10
-
$1,480 USD
View
A
Retailer 11
-
$1,505 USD
View
A
Retailer 12
-
$1,505 USD
View
A
Retailer 13
-
$1,592 USD
View
Retailer 14
-
$1,608 USD
View
Price last confirmed 17 days ago
A
Retailer 15
-
$1,672 USD
View
A
Retailer 16
-
$1,685 USD
View
A
Retailer 17
-
$1,779 USD
View
A
Retailer 18
-
$1,862 USD
View
Retailer 19
-
$2,056 USD
View
Price last confirmed 32 days ago
B+
Retailer 20
-
$2,072 USD
View
B+
Retailer 21
-
$2,447 USD
View
Most Expensive
B
MOH London
4D85DBF5B · Nov 4
$2,666 USD
£2,099 GBP
View
21 more retailers have this diamond
Prices start from $1,203 USDSave up to $1,463 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
1.03ct Cushion
$1,203 USD