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Round|Natural|GIA

3.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5231717601

Certificate GIA 5231717601

Diamond specifications and retailer prices

From $32,041 AUD
As of November 1, 2026
Save $25,739 AUD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $57,780 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231717601. Listed at 6 retailers as of November 1, 2026, with prices from $32,041 to $57,780, a $25,739 spread on the same certified stone. MOH London lists it at $57,780. 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

3.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5231717601
Dimensions9.69 × 9.61 × 6.10 mm
L/W Ratio1.01
Top View
9.69 mm9.61 mm3.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231717601
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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 1
Current: $57,780 AUD|Low: $32,041 AUD|High: $58,633 AUD|Avg: $39,883 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$32,041 AUD
Retailer 6$32,838 AUD
Retailer 5$33,373 AUD
Retailer 2$37,061 AUD
Retailer 3$44,659 AUD
MOH London$57,780 AUD

37 data points across 6 retailers

6 retailers$32,041 AUD to $57,780 AUD

A
Cheapest Retailer
-
$32,041 AUD
Retailer 2
-
$32,838 AUD
View
Price last confirmed 50 days ago
A
Retailer 3
-
$33,373 AUD
View
B+
Retailer 4
-
$37,061 AUD
View
B+
Retailer 5
-
$44,659 AUD
View
Most Expensive
B
MOH London
D7EE0F16A · Nov 4
$57,780 AUD
£31,849 GBP
View
5 more retailers have this diamond
Prices start from $32,041 AUDSave up to $25,739 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
3.50ct Round
$32,041 AUD