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Cushion|Natural|GIA

1.03ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1557684831

Certificate GIA 1557684831

Diamond specifications and retailer prices

From €1,308 EUR
As of November 4, 2026
Save €340 EUR (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,648 EUR at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-carat band, graded G 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 1557684831. Listed at 7 retailers as of November 4, 2026, with prices from €1,308 to €1,648, a €340 spread on the same certified stone. Blue Nile lists it at €1,648. 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

1.03
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1557684831
Dimensions5.68 × 5.55 × 3.76 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.68 mm5.55 mm1.03 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557684831
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €1,648 EUR|Low: €1,170 EUR|High: €1,732 EUR|Avg: €1,477 EUR|-4.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3€1,308 EUR
Retailer 4€1,366 EUR
Retailer 6€1,368 EUR
Retailer 2€1,497 EUR
Retailer 7€1,541 EUR
Retailer 5€1,562 EUR
Blue Nile€1,648 EUR

39 data points across 7 retailers

7 retailers€1,308 EUR to €1,648 EUR

A
Cheapest Retailer
-
€1,308 EUR
A
Retailer 2
-
€1,366 EUR
View
A
Retailer 3
-
€1,368 EUR
View
Final sale: no returns
A
Retailer 4
-
€1,497 EUR
View
A
Retailer 5
-
€1,541 EUR
View
A
Retailer 6
-
€1,562 EUR
View
Most Expensive
A
Blue Nile
29608078 · Nov 5
€1,648 EUR
$1,840 USD
View
6 more retailers have this diamond
Prices start from €1,308 EURSave up to €340 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
1.03ct Cushion
€1,308 EUR