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Cushion|Natural|GIA

1.00ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 6551213732

Certificate GIA 6551213732

Diamond specifications and retailer prices

From $1,076 AUD
As of November 6, 2026
Save $446 AUD (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,521 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 6551213732. Listed at 6 retailers as of November 6, 2026, with prices from $1,076 to $1,521, a $446 spread on the same certified stone. GemTrove lists it at $1,521. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551213732
Dimensions5.61 × 5.38 × 3.72 mm
L/W Ratio1.04
Top View
5.61 mm5.38 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551213732
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.1%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,521 AUD|Low: $971 AUD|High: $1,521 AUD|Avg: $1,241 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$1,076 AUD
Retailer 5$1,090 AUD
Retailer 3$1,188 AUD
Retailer 4$1,230 AUD
Retailer 2$1,273 AUD
GemTrove$1,521 AUD

40 data points across 6 retailers

6 retailers$1,076 AUD to $1,521 AUD

A
Cheapest Retailer
-
$1,076 AUD
A
Retailer 2
-
$1,090 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,188 AUD
View
A
Retailer 4
-
$1,230 AUD
View
A
Retailer 5
-
$1,273 AUD
View
Most Expensive
B+
GemTrove
GT-N-00979289-98 · Nov 6
$1,521 AUD
View
5 more retailers have this diamond
Prices start from $1,076 AUDSave up to $446 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
$1,076 AUD