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Cushion|Natural|GIA

1.10ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5156925640

Certificate GIA 5156925640

Diamond specifications and retailer prices

From €2,007 EUR
As of November 6, 2026
Save €2,409 EUR (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,416 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.1ct natural cushion diamond

This 1.1ct 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 5156925640. Listed at 13 retailers as of November 4, 2026, with prices from €2,007 to €4,416, a €2,409 spread on the same certified stone. MOH London lists it at €4,416. 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

1.10
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5156925640
Dimensions6.63 × 5.54 × 3.55 mm
L/W Ratio1.20
Top View
6.63 mm5.54 mm1.10 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5156925640
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: €4,416 EUR|Low: €2,007 EUR|High: €4,482 EUR|Avg: €2,736 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8€2,007 EUR
Retailer 5€2,020 EUR
Retailer 6€2,266 EUR
Retailer 7€2,488 EUR
Retailer 3€2,659 EUR
Retailer 2€2,956 EUR
Retailer 4€3,085 EUR
MOH London€4,416 EUR

44 data points across 8 retailers

13 retailers€2,007 EUR to €4,416 EUR

B+
Cheapest Retailer
-
€2,007 EUR
Retailer 2
-
€2,020 EUR
View
Price last confirmed 10 days ago
B+
Retailer 3
-
€2,058 EUR
View
B+
Retailer 4
-
€2,069 EUR
View
B
Retailer 5
-
€2,159 EUR
View
B
Retailer 6
-
€2,209 EUR
View
B
Retailer 7
-
€2,266 EUR
View
B
Retailer 8
-
€2,483 EUR
View
B
Retailer 9
-
€2,488 EUR
View
B
Retailer 10
-
€2,659 EUR
View
B
Retailer 11
-
€2,956 EUR
View
B
Retailer 12
-
€3,085 EUR
View
Most Expensive
B
MOH London
239D0522F · Nov 4
€4,416 EUR
£3,882 GBP
View
12 more retailers have this diamond
Prices start from €2,007 EURSave up to €2,409 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+
1.10ct Cushion
€2,007 EUR