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Cushion|Natural|GIA

1.00ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 3345443697

Certificate GIA 3345443697

Diamond specifications and retailer prices

From $2,761 AUD
As of November 6, 2026
Save $3,231 AUD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,992 AUD 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 $2,761 to $5,992, a $3,231 spread on the same certified stone. MOH London lists it at $5,992. 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: $5,992 AUD|Low: $2,751 AUD|High: $6,064 AUD|Avg: $3,707 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$2,751 AUD
Retailer 8$2,761 AUD
Retailer 6$3,099 AUD
Retailer 9$3,129 AUD
Retailer 7$3,395 AUD
Retailer 3$3,717 AUD
Retailer 4$4,174 AUD
Retailer 2$4,248 AUD
MOH London$5,992 AUD

45 data points across 9 retailers

14 retailers$2,761 AUD to $5,992 AUD

Retailer 1
-
$2,751 AUD
Price last confirmed 9 days ago
B+
Retailer 2
-
$2,761 AUD
View
B+
Retailer 3
-
$2,786 AUD
View
B+
Retailer 4
-
$2,799 AUD
View
B+
Retailer 5
-
$2,917 AUD
View
B+
Retailer 6
-
$2,989 AUD
View
Retailer 7
-
$3,099 AUD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$3,129 AUD
View
B
Retailer 9
-
$3,353 AUD
View
B
Retailer 10
-
$3,395 AUD
View
B
Retailer 11
-
$3,717 AUD
View
B
Retailer 12
-
$4,174 AUD
View
B
Retailer 13
-
$4,248 AUD
View
Most Expensive
B
MOH London
55F84CC4A · Nov 2
$5,992 AUD
£3,242 GBP
View
13 more retailers have this diamond
Prices start from $2,761 AUDSave up to $3,231 AUD

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
$2,761 AUD