Cushion|Natural|GIA

1.00ct J IF Cushion Natural Diamond

EX • J/IF • GIA 1545202855

Certificate GIA 1545202855

Diamond specifications and retailer prices

From $1,428 USD
As of October 30, 2026
Save $417 USD (23%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,845 USD at GemTrove · As of October 31, 2026
View at GemTrove

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545202855. Listed at 5 retailers as of October 30, 2026, with prices from $1,428 to $1,845, a $417 spread on the same certified stone. GemTrove lists it at $1,845. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545202855
Dimensions5.70 × 5.49 × 3.68 mm
L/W Ratio1.04
Culet sizeNone
Top View
5.70 mm5.49 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545202855
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,845 USD|Low: $1,428 USD|High: $1,958 USD|Avg: $1,645 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3$1,428 USD
Retailer 6$1,459 USD
Retailer 2$1,549 USD
Retailer 5$1,613 USD
Retailer 4$1,702 USD
GemTrove$1,845 USD

38 data points across 6 retailers

5 retailers$1,428 USD to $1,845 USD

A
Cheapest Retailer
-
$1,428 USD
A
Retailer 2
-
$1,549 USD
£1,220 GBP
View
A
Retailer 3
-
$1,613 USD
SGD 2,180 SGD
View
A
Retailer 4
-
$1,702 USD
View
Most Expensive
B+
GemTrove
GT-N-01245412-98 · Oct 31
$1,845 USD
A$2,838 AUD
View
4 more retailers have this diamond
Prices start from $1,428 USDSave up to $417 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
$1,428 USD