CaratHunter
Plans
Cushion|Natural|GIA

1.05ct K SI1 Cushion Natural Diamond

ID • K/SI1 • GIA 17172162

Certificate GIA 17172162

Diamond specifications and retailer prices

From €1,924 EUR
As of November 6, 2026
Save €2,294 EUR (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,218 EUR at MOH London · As of November 4, 2026
View at MOH London

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 17172162. Listed at 11 retailers as of November 4, 2026, with prices from €1,924 to €4,218, a €2,294 spread on the same certified stone. MOH London lists it at €4,218. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 17172162
Dimensions6.08 × 5.83 × 3.54 mm
L/W Ratio1.04
Culet sizeNone
Top View
6.08 mm5.83 mm1.05 ctK / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 17172162
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.7%

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: €4,218 EUR|Low: €1,924 EUR|High: €4,280 EUR|Avg: €2,685 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7€1,924 EUR
Retailer 5€1,975 EUR
Retailer 6€2,186 EUR
Retailer 3€2,554 EUR
Retailer 2€2,820 EUR
Retailer 4€2,946 EUR
MOH London€4,218 EUR

44 data points across 7 retailers

11 retailers€1,924 EUR to €4,218 EUR

B+
Cheapest Retailer
-
€1,924 EUR
B+
Retailer 2
-
€1,975 EUR
View
B+
Retailer 3
-
€1,975 EUR
View
B
Retailer 4
-
€2,062 EUR
View
B
Retailer 5
-
€2,109 EUR
View
Retailer 6
-
€2,186 EUR
View
Price last confirmed 9 days ago
B
Retailer 7
-
€2,370 EUR
View
B
Retailer 8
-
€2,554 EUR
View
B
Retailer 9
-
€2,820 EUR
View
B
Retailer 10
-
€2,946 EUR
View
Most Expensive
B
MOH London
AF6439998 · Nov 4
€4,218 EUR
£3,708 GBP
View
10 more retailers have this diamond
Prices start from €1,924 EURSave up to €2,294 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+
1.05ct Cushion
€1,924 EUR