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Cushion|Natural|GIA

1.11ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6552300029

Certificate GIA 6552300029

Diamond specifications and retailer prices

From $1,413 AUD
As of November 6, 2026
Save $449 AUD (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,862 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.11ct natural cushion diamond

This 1.11ct 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 6552300029. Listed at 7 retailers as of November 6, 2026, with prices from $1,413 to $1,862, a $449 spread on the same certified stone. GemTrove lists it at $1,862. 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

1.11
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552300029
Dimensions5.79 × 5.65 × 3.83 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
5.79 mm5.65 mm1.11 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552300029
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.8%

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: $1,862 AUD|Low: $1,269 AUD|High: $1,943 AUD|Avg: $1,608 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$1,413 AUD
Retailer 4$1,419 AUD
Retailer 3$1,473 AUD
Retailer 2$1,595 AUD
Retailer 6$1,608 AUD
Retailer 5$1,736 AUD
GemTrove$1,862 AUD

40 data points across 7 retailers

7 retailers$1,413 AUD to $1,862 AUD

A
Cheapest Retailer
-
$1,413 AUD
A
Retailer 2
-
$1,419 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,473 AUD
View
A
Retailer 4
-
$1,595 AUD
View
A
Retailer 5
-
$1,608 AUD
View
A
Retailer 6
-
$1,736 AUD
View
Most Expensive
B+
GemTrove
GT-N-00946719-98 · Nov 6
$1,862 AUD
View
6 more retailers have this diamond
Prices start from $1,413 AUDSave up to $449 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
1.11ct Cushion
$1,413 AUD