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Cushion|Natural|GIA

1.05ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2175213051

Certificate GIA 2175213051

Diamond specifications and retailer prices

From €5,089 EUR
$5,708 USD
As of October 31, 2026
Save €711 EUR (12%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €7,824 EUR at MOH London · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2175213051. Listed at 7 retailers as of October 31, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2175213051
Dimensions6.38 × 5.88 × 3.91 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Top View
6.38 mm5.88 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2175213051
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 66.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €7,824 EUR|Low: €5,089 EUR|High: €7,918 EUR|Avg: €5,981 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4€5,089 EUR
Retailer 2€5,230 EUR
Retailer 3€5,800 EUR
MOH London€7,824 EUR

42 data points across 4 retailers

7 retailers€5,089 EUR to €5,800 EUR

B
Cheapest Retailer
-
€5,089 EUR
$5,708 USD
B
Retailer 2
-
€5,230 EUR
£4,619 GBP
View
B
Retailer 3
-
€5,430 EUR
$6,090 USD
View
B
Retailer 4
-
€5,430 EUR
$6,090 USD
View
B
Retailer 5
-
€5,608 EUR
$6,290 USD
View
B
Retailer 6
-
€5,800 EUR
View
Most Expensive
MOH London
93D8ABE47 · Nov 2
€7,824 EUR
£6,910 GBP
View
Price under review
6 more retailers have this diamond
Prices start from €5,089 EURSave up to €711 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
€5,089 EUR