Cushion|Natural|GIA

1.00ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 3345443697

Certificate GIA 3345443697

Diamond specifications and retailer prices

From €1,699 EUR
As of November 6, 2026
Save €1,989 EUR (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,688 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1ct natural cushion diamond

This 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 3345443697. Listed at 14 retailers as of November 2, 2026, with prices from €1,699 to €3,688, a €1,989 spread on the same certified stone. MOH London lists it at €3,688. 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

1.00
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3345443697
Dimensions5.79 × 5.74 × 3.92 mm
L/W Ratio1.01
Top View
5.79 mm5.74 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3345443697
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.2%

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: €3,688 EUR|Low: €1,693 EUR|High: €3,732 EUR|Avg: €2,281 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€1,693 EUR
Retailer 8€1,699 EUR
Retailer 6€1,907 EUR
Retailer 9€1,926 EUR
Retailer 7€2,090 EUR
Retailer 3€2,288 EUR
Retailer 4€2,569 EUR
Retailer 2€2,614 EUR
MOH London€3,688 EUR

45 data points across 9 retailers

14 retailers€1,699 EUR to €3,688 EUR

Retailer 1
-
€1,693 EUR
Price last confirmed 9 days ago
B+
Retailer 2
-
€1,699 EUR
View
B+
Retailer 3
-
€1,714 EUR
View
B+
Retailer 4
-
€1,722 EUR
View
B+
Retailer 5
-
€1,795 EUR
View
B+
Retailer 6
-
€1,840 EUR
View
Retailer 7
-
€1,907 EUR
View
Price last confirmed 8 days ago
B
Retailer 8
-
€1,926 EUR
View
B
Retailer 9
-
€2,064 EUR
View
B
Retailer 10
-
€2,090 EUR
View
B
Retailer 11
-
€2,288 EUR
View
B
Retailer 12
-
€2,569 EUR
View
B
Retailer 13
-
€2,614 EUR
View
Most Expensive
B
MOH London
55F84CC4A · Nov 2
€3,688 EUR
£3,242 GBP
View
13 more retailers have this diamond
Prices start from €1,699 EURSave up to €1,989 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+
1.00ct Cushion
€1,699 EUR