CaratHunter
Plans
Cushion|Natural|GIA

1.03ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 17447042

Certificate GIA 17447042

Diamond specifications and retailer prices

From €2,803 EUR
As of November 6, 2026
Save €1,625 EUR (37%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €4,428 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct 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 17447042. Listed at 4 retailers as of November 2, 2026, with prices from €2,803 to €4,428, a €1,625 spread on the same certified stone. MOH London lists it at €4,428. 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

1.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 17447042
Dimensions5.89 × 5.72 × 3.94 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds, internal graining and surface graining are not shown.
Top View
5.89 mm5.72 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 17447042
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,428 EUR|Low: €2,245 EUR|High: €4,482 EUR|Avg: €3,128 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5€2,245 EUR
Retailer 3€2,803 EUR
Retailer 4€3,074 EUR
Retailer 2€3,081 EUR
MOH London€4,428 EUR

43 data points across 5 retailers

4 retailers€2,803 EUR to €4,428 EUR

B
Cheapest Retailer
-
€2,803 EUR
Retailer 2
-
€3,074 EUR
View
Price last confirmed 14 days ago
B
Retailer 3
-
€3,081 EUR
View
Most Expensive
B
MOH London
F176C1F59 · Nov 2
€4,428 EUR
£3,893 GBP
View
3 more retailers have this diamond
Prices start from €2,803 EURSave up to €1,625 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
1.03ct Cushion
€2,803 EUR