Cushion|Natural|GIA

1.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7558661636

Certificate GIA 7558661636

Diamond specifications and retailer prices

From $896 USD
As of November 6, 2026
Save $1,319 USD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,215 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 7558661636. Listed at 14 retailers as of November 4, 2026, with prices from $896 to $2,215, a $1,319 spread on the same certified stone. MOH London lists it at $2,215. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558661636
Dimensions5.61 × 5.29 × 3.91 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Pinpoint
Top View
5.61 mm5.29 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558661636
Side View
Table 63.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 73.9%

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: $2,215 USD|Low: $902 USD|High: $2,242 USD|Avg: $1,409 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$902 USD
Retailer 11$1,118 USD
Retailer 9$1,165 USD
Retailer 10$1,212 USD
Retailer 8$1,223 USD
Retailer 5$1,252 USD
Retailer 6$1,361 USD
Retailer 7$1,479 USD
Retailer 3$1,585 USD
Retailer 4$1,685 USD
MOH London$2,215 USD

35 data points across 11 retailers

14 retailers$896 USD to $2,215 USD

A
Cheapest Retailer
-
$896 USD
A
Retailer 2
-
$902 USD
View
A
Retailer 3
-
$1,118 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,161 USD
View
A
Retailer 5
-
$1,165 USD
View
Retailer 6
-
$1,212 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,223 USD
View
B+
Retailer 8
-
$1,252 USD
View
B+
Retailer 9
-
$1,346 USD
View
B+
Retailer 10
-
$1,361 USD
View
B+
Retailer 11
-
$1,479 USD
View
Retailer 12
-
$1,585 USD
View
Price last confirmed 33 days ago
B+
Retailer 13
-
$1,685 USD
View
Most Expensive
B
MOH London
73F05D08F · Nov 4
$2,215 USD
£1,744 GBP
View
13 more retailers have this diamond
Prices start from $896 USDSave up to $1,319 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
$896 USD