Cushion|Natural|GIA

1.00ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 3345443697

Certificate GIA 3345443697

Diamond specifications and retailer prices

From $2,431 SGD
As of November 6, 2026
Save $2,846 SGD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,277 SGD 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 $2,431 to $5,277, a $2,846 spread on the same certified stone. MOH London lists it at $5,277. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,277 SGD|Low: $2,422 SGD|High: $5,340 SGD|Avg: $3,264 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$2,422 SGD
Retailer 8$2,431 SGD
Retailer 6$2,729 SGD
Retailer 9$2,755 SGD
Retailer 7$2,990 SGD
Retailer 3$3,273 SGD
Retailer 4$3,676 SGD
Retailer 2$3,741 SGD
MOH London$5,277 SGD

45 data points across 9 retailers

14 retailers$2,431 SGD to $5,277 SGD

Retailer 1
-
$2,422 SGD
Price last confirmed 9 days ago
B+
Retailer 2
-
$2,431 SGD
View
B+
Retailer 3
-
$2,453 SGD
View
B+
Retailer 4
-
$2,465 SGD
View
B+
Retailer 5
-
$2,568 SGD
View
B+
Retailer 6
-
$2,632 SGD
View
Retailer 7
-
$2,729 SGD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$2,755 SGD
View
B
Retailer 9
-
$2,953 SGD
View
B
Retailer 10
-
$2,990 SGD
View
B
Retailer 11
-
$3,273 SGD
View
B
Retailer 12
-
$3,676 SGD
View
B
Retailer 13
-
$3,741 SGD
View
Most Expensive
B
MOH London
55F84CC4A · Nov 2
$5,277 SGD
£3,242 GBP
View
13 more retailers have this diamond
Prices start from $2,431 SGDSave up to $2,846 SGD

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
$2,431 SGD