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Cushion|Natural|GIA

1.09ct J I1 Cushion Natural Diamond

EX • J/I1 • GIA 1378287468

Certificate GIA 1378287468

Diamond specifications and retailer prices

From €1,159 EUR
$1,300 USD
As of October 30, 2026
Save €36 EUR (3%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,195 EUR at Jared · As of October 30, 2026
View at Jared

About this 1.09ct natural cushion diamond

This 1.09ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1378287468. Listed at 3 retailers as of October 30, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
J
Color
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1378287468
Dimensions6.01 × 5.77 mm
L/W Ratio1.04
Culet sizeNone
Top View
6.01 mm5.77 mm1.09 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1378287468
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,195 EUR|Low: €1,159 EUR|High: €1,355 EUR|Avg: €1,265 EUR|-11.8%
Jared
Retailer 2
Retailer 3
March 24, 2026
Retailer 2€1,159 EUR
Retailer 3€1,159 EUR
Jared€1,195 EUR

5 data points across 3 retailers

3 retailers€1,159 EUR to €1,195 EUR

B+
Cheapest Retailer
-
€1,159 EUR
$1,300 USD
B+
Retailer 2
-
€1,159 EUR
$1,300 USD
View
Most Expensive
B+
Jared
140367460 · Oct 30
€1,195 EUR
$1,340 USD
View
2 more retailers have this diamond
Prices start from €1,159 EURSave up to €36 EUR

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.

B+
1.09ct Cushion
€1,159 EUR