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Cushion|Natural|GIA

1.00ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1553479465

Certificate GIA 1553479465

Diamond specifications and retailer prices

From €1,053 EUR
As of November 6, 2026
Save €238 EUR (18%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,291 EUR at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural cushion diamond

This 1ct 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 1553479465. Listed at 7 retailers as of November 6, 2026, with prices from €1,053 to €1,291, a €238 spread on the same certified stone. GemTrove lists it at €1,291. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553479465
Dimensions5.65 × 5.52 × 3.74 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal
Top View
5.65 mm5.52 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553479465
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.7%

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: €1,291 EUR|Low: €927 EUR|High: €1,397 EUR|Avg: €1,172 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4€1,053 EUR
Retailer 7€1,054 EUR
Retailer 3€1,100 EUR
Retailer 2€1,156 EUR
Retailer 6€1,200 EUR
Retailer 5€1,282 EUR
GemTrove€1,291 EUR

40 data points across 7 retailers

7 retailers€1,053 EUR to €1,291 EUR

A
Cheapest Retailer
-
€1,053 EUR
Final sale: no returns
A
Retailer 2
-
€1,054 EUR
View
A
Retailer 3
-
€1,100 EUR
View
A
Retailer 4
-
€1,156 EUR
View
A
Retailer 5
-
€1,200 EUR
View
A
Retailer 6
-
€1,282 EUR
View
Most Expensive
A
GemTrove
GT-N-00976640-98 · Nov 6
€1,291 EUR
A$2,218 AUD
View
6 more retailers have this diamond
Prices start from €1,053 EURSave up to €238 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.

A
1.00ct Cushion
€1,053 EUR