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Cushion|Natural|GIA

3.50ct M SI1 Cushion Natural Diamond

M/SI1 • GIA 1555767528

Certificate GIA 1555767528

Diamond specifications and retailer prices

From $24,080 AUD
As of November 7, 2026
Save $4,612 AUD (16%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $28,692 AUD at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

About this 3.5ct natural cushion diamond

This 3.5ct natural cushion sits in the three to five carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 1555767528. Listed at 6 retailers as of November 6, 2026, with prices from $24,080 to $28,692, a $4,612 spread on the same certified stone. Cape Diamonds lists it at $28,692. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.50
Carat
M
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555767528
Dimensions12.03 × 8.38 × 3.95 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
12.03 mm8.38 mm3.50 ctM / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555767528
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 47.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $28,692 AUD|Low: $24,080 AUD|High: $31,070 AUD|Avg: $26,783 AUD|-7.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$24,080 AUD
Retailer 2$24,624 AUD
Retailer 6$24,934 AUD
Retailer 3$26,890 AUD
Retailer 4$27,335 AUD
Cape Diamonds$28,692 AUD

45 data points across 6 retailers

6 retailers$24,080 AUD to $28,692 AUD

B
Cheapest Retailer
-
$24,080 AUD
B
Retailer 2
-
$24,624 AUD
View
Retailer 3
-
$24,934 AUD
View
Price last confirmed 22 days ago
B
Retailer 4
-
$26,890 AUD
View
B
Retailer 5
-
$27,335 AUD
View
Most Expensive
B
Cape Diamonds
cert_1555767528 · Nov 6
$28,692 AUD
ZAR 318,481 ZAR
View
5 more retailers have this diamond
Prices start from $24,080 AUDSave up to $4,612 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
3.50ct Cushion
$24,080 AUD