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Cushion|Natural|GIA

1.03ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 2111392420

Certificate GIA 2111392420

Diamond specifications and retailer prices

From $2,569 AUD
As of November 4, 2026
Save $2,294 AUD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,863 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct 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 2111392420. Listed at 4 retailers as of November 4, 2026, with prices from $2,569 to $4,863, a $2,294 spread on the same certified stone. MOH London lists it at $4,863. 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

1.03
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2111392420
Dimensions5.88 × 5.41 × 3.90 mm
L/W Ratio1.09
Key to symbols
Twinning Wisp, Crystal, Indented Natural, Feather, Natural
Top View
5.88 mm5.41 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2111392420
Side View
Table 59.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 72.1%

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 4
Current: $4,863 AUD|Low: $2,489 AUD|High: $4,935 AUD|Avg: $3,500 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$2,569 AUD
Retailer 3$3,021 AUD
Retailer 2$3,541 AUD
MOH London$4,863 AUD

40 data points across 4 retailers

4 retailers$2,569 AUD to $4,863 AUD

B+
Cheapest Retailer
-
$2,569 AUD
B
Retailer 2
-
$3,021 AUD
View
B
Retailer 3
-
$3,541 AUD
View
Most Expensive
B
MOH London
7C9D64180 · Nov 4
$4,863 AUD
£2,631 GBP
View
3 more retailers have this diamond
Prices start from $2,569 AUDSave up to $2,294 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+
1.03ct Cushion
$2,569 AUD