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Cushion|Natural|GIA

1.00ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 5553560882

Certificate GIA 5553560882

Diamond specifications and retailer prices

From $1,144 AUD
As of November 6, 2026
Save $472 AUD (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,616 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553560882. Listed at 6 retailers as of November 6, 2026, with prices from $1,144 to $1,616, a $472 spread on the same certified stone. GemTrove lists it at $1,616. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553560882
Dimensions5.58 × 5.35 × 3.72 mm
L/W Ratio1.04
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Natural
Top View
5.58 mm5.35 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553560882
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,616 AUD|Low: $1,026 AUD|High: $1,616 AUD|Avg: $1,306 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$1,144 AUD
Retailer 5$1,156 AUD
Retailer 3$1,262 AUD
Retailer 2$1,287 AUD
Retailer 4$1,304 AUD
GemTrove$1,616 AUD

40 data points across 6 retailers

6 retailers$1,144 AUD to $1,616 AUD

A
Cheapest Retailer
-
$1,144 AUD
A
Retailer 2
-
$1,156 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,262 AUD
View
A
Retailer 4
-
$1,287 AUD
View
A
Retailer 5
-
$1,304 AUD
View
Most Expensive
B+
GemTrove
GT-N-00979333-98 · Nov 6
$1,616 AUD
View
5 more retailers have this diamond
Prices start from $1,144 AUDSave up to $472 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.

A
1.00ct Cushion
$1,144 AUD