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Cushion|Natural|GIA

1.11ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6552300029

Certificate GIA 6552300029

Diamond specifications and retailer prices

From €870 EUR
As of November 6, 2026
Save €276 EUR (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,146 EUR at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.11ct natural cushion diamond

This 1.11ct 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 6552300029. Listed at 7 retailers as of November 6, 2026, with prices from €870 to €1,146, a €276 spread on the same certified stone. GemTrove lists it at €1,146. 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

1.11
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552300029
Dimensions5.79 × 5.65 × 3.83 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
5.79 mm5.65 mm1.11 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552300029
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €1,146 EUR|Low: €781 EUR|High: €1,196 EUR|Avg: €990 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7€870 EUR
Retailer 4€873 EUR
Retailer 3€906 EUR
Retailer 2€982 EUR
Retailer 6€990 EUR
Retailer 5€1,069 EUR
GemTrove€1,146 EUR

40 data points across 7 retailers

7 retailers€870 EUR to €1,146 EUR

A
Cheapest Retailer
-
€870 EUR
A
Retailer 2
-
€873 EUR
View
Final sale: no returns
A
Retailer 3
-
€906 EUR
View
A
Retailer 4
-
€982 EUR
View
A
Retailer 5
-
€990 EUR
View
A
Retailer 6
-
€1,069 EUR
View
Most Expensive
B+
GemTrove
GT-N-00946719-98 · Nov 6
€1,146 EUR
A$1,968 AUD
View
6 more retailers have this diamond
Prices start from €870 EURSave up to €276 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
1.11ct Cushion
€870 EUR