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Round|Natural|GIA

3.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1565567540

Certificate GIA 1565567540

Diamond specifications and retailer prices

From $37,291 AUD
As of November 6, 2026
Save $20,832 AUD (36%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $58,123 AUD at MOH London · As of November 2, 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 1565567540. Listed at 9 retailers as of November 2, 2026, with prices from $37,291 to $58,123, a $20,832 spread on the same certified stone. MOH London lists it at $58,123. 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 angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565567540
Dimensions9.59 × 9.65 × 6.03 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.59 mm9.65 mm3.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565567540
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $58,123 AUD|Low: $37,291 AUD|High: $59,321 AUD|Avg: $44,399 AUD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$37,291 AUD
Retailer 6$38,767 AUD
Retailer 7$39,948 AUD
Retailer 3$41,304 AUD
Retailer 4$41,341 AUD
Retailer 8$43,134 AUD
Retailer 9$44,502 AUD
Retailer 2$51,415 AUD
MOH London$58,123 AUD

18 data points across 9 retailers

9 retailers$37,291 AUD to $58,123 AUD

B+
Cheapest Retailer
-
$37,291 AUD
B+
Retailer 2
-
$38,767 AUD
View
B+
Retailer 3
-
$39,948 AUD
View
B+
Retailer 4
-
$41,304 AUD
View
B+
Retailer 5
-
$41,341 AUD
View
B+
Retailer 6
-
$43,134 AUD
View
B+
Retailer 7
-
$44,502 AUD
View
B+
Retailer 8
-
$51,415 AUD
View
Most Expensive
B
MOH London
EFDB08D57 · Nov 2
$58,123 AUD
£32,038 GBP
View
8 more retailers have this diamond
Prices start from $37,291 AUDSave up to $20,832 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 Round
$37,291 AUD