Cushion|Natural|GIA

1.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1548357729

Certificate GIA 1548357729

Diamond specifications and retailer prices

From $1,033 USD
As of November 6, 2026
Save $1,502 USD (59%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,535 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded J 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 1548357729. Listed at 13 retailers as of November 4, 2026, with prices from $1,033 to $2,535, a $1,502 spread on the same certified stone. MOH London lists it at $2,535. 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

1.00
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1548357729
Dimensions7.44 × 5.05 × 3.42 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
7.44 mm5.05 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1548357729
Side View
Table 65.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.8%

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: $2,535 USD|Low: $989 USD|High: $2,593 USD|Avg: $1,535 USD|-2.1%
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
November 6, 2026
Retailer 2$1,033 USD
Retailer 12$1,088 USD
Retailer 13$1,286 USD
Retailer 3$1,370 USD
Retailer 4$1,388 USD
Retailer 14$1,479 USD
Retailer 10$1,490 USD
Retailer 9$1,510 USD
Retailer 5$1,528 USD
Retailer 6$1,539 USD
Retailer 8$1,693 USD
Retailer 7$1,794 USD
Retailer 11$1,810 USD
MOH London$2,535 USD

41 data points across 14 retailers

13 retailers$1,033 USD to $2,535 USD

A
Cheapest Retailer
-
$1,033 USD
A
Retailer 2
-
$1,088 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,286 USD
View
Retailer 4
-
$1,388 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,479 USD
View
B+
Retailer 6
-
$1,490 USD
View
Retailer 7
-
$1,510 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$1,528 USD
View
B+
Retailer 9
-
$1,539 USD
View
B+
Retailer 10
-
$1,693 USD
View
B+
Retailer 11
-
$1,794 USD
View
Retailer 12
-
$1,810 USD
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
1B1A84F62 · Nov 4
$2,535 USD
£1,996 GBP
View
12 more retailers have this diamond
Prices start from $1,033 USDSave up to $1,502 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
1.00ct Cushion
$1,033 USD