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Cushion|Natural|GIA

1.05ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6542230145

Certificate GIA 6542230145

Diamond specifications and retailer prices

From €767 EUR
As of November 6, 2026
Save €321 EUR (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,088 EUR at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542230145. Listed at 7 retailers as of November 6, 2026, with prices from €767 to €1,088, a €321 spread on the same certified stone. GemTrove lists it at €1,088. 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

1.05
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542230145
Dimensions5.73 × 5.66 × 3.80 mm
L/W Ratio1.01
Top View
5.73 mm5.66 mm1.05 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542230145
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €1,088 EUR|Low: €708 EUR|High: €1,098 EUR|Avg: €899 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7€767 EUR
Retailer 4€772 EUR
Retailer 3€844 EUR
Retailer 2€867 EUR
Retailer 6€874 EUR
Retailer 5€949 EUR
GemTrove€1,088 EUR

40 data points across 7 retailers

7 retailers€767 EUR to €1,088 EUR

A
Cheapest Retailer
-
€767 EUR
A
Retailer 2
-
€772 EUR
View
Final sale: no returns
A
Retailer 3
-
€844 EUR
View
A
Retailer 4
-
€867 EUR
View
A
Retailer 5
-
€874 EUR
View
A
Retailer 6
-
€949 EUR
View
Most Expensive
B+
GemTrove
GT-N-00959194-98 · Nov 6
€1,088 EUR
A$1,868 AUD
View
6 more retailers have this diamond
Prices start from €767 EURSave up to €321 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
1.05ct Cushion
€767 EUR