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Cushion|Natural|GIA

4.03ct K SI1 Cushion Natural Diamond

ID • K/SI1 • GIA 2557570314

Certificate GIA 2557570314

Diamond specifications and retailer prices

From $33,289 AUD
As of November 6, 2026
Save $28,647 AUD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $61,937 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 4.03ct natural cushion diamond

This 4.03ct natural cushion sits in the three to five 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 2557570314. Listed at 5 retailers as of November 4, 2026, with prices from $33,289 to $61,937, a $28,647 spread on the same certified stone. MOH London lists it at $61,937. 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

4.03
Carat
K
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557570314
Dimensions10.92 × 8.29 × 5.62 mm
L/W Ratio1.32
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
10.92 mm8.29 mm4.03 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557570314
Side View
Table 65.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.8%

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: $61,937 AUD|Low: $33,289 AUD|High: $64,844 AUD|Avg: $44,650 AUD|-4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$33,289 AUD
Retailer 6$37,494 AUD
Retailer 4$39,430 AUD
Retailer 5$41,639 AUD
Retailer 3$48,428 AUD
MOH London$61,937 AUD

17 data points across 6 retailers

5 retailers$33,289 AUD to $61,937 AUD

A
Cheapest Retailer
-
$33,289 AUD
A
Retailer 2
-
$39,430 AUD
View
A
Retailer 3
-
$41,639 AUD
View
A
Retailer 4
-
$48,428 AUD
View
Most Expensive
B+
MOH London
40AAB05C2 · Nov 4
$61,937 AUD
£33,509 GBP
View
4 more retailers have this diamond
Prices start from $33,289 AUDSave up to $28,647 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
4.03ct Cushion
$33,289 AUD