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Round|Natural|IGI

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 526257569

Shape and cutting style on the report: Round brilliant

Certificate IGI 526257569

Diamond specifications and retailer prices

From $35,082 AUD
₹2,346,969 INR
As of November 1, 2026
Save $25,783 AUD (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $60,865 AUD at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 526257569. Listed at 14 retailers as of November 1, 2026, with prices from $35,082 to $60,865, a $25,783 spread on the same certified stone. MOH London lists it at $60,865. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 526257569
Dimensions9.66 × 9.71 × 6.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.66 mm9.71 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 526257569
Side View
Table 58.5%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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: $60,865 AUD|Low: $35,000 AUD|High: $62,957 AUD|Avg: $44,544 AUD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 6$35,082 AUD
Retailer 3$39,166 AUD
Retailer 4$39,432 AUD
Retailer 7$39,608 AUD
Retailer 11$40,595 AUD
Retailer 13$41,811 AUD
Retailer 9$43,017 AUD
Retailer 10$45,168 AUD
Retailer 5$46,602 AUD
Retailer 2$47,078 AUD
Retailer 12$48,394 AUD
Retailer 8$50,521 AUD
MOH London$60,865 AUD

35 data points across 13 retailers

14 retailers$35,082 AUD to $60,865 AUD

A
Cheapest Retailer
-
$35,082 AUD
₹2,346,969 INR
A
Retailer 2
-
$39,166 AUD
$27,512 USD
View
A
Retailer 3
-
$39,432 AUD
$27,699 USD
View
Final sale: no returns
A
Retailer 4
-
$39,608 AUD
£21,907 GBP
View
A
Retailer 5
-
$40,595 AUD
$28,516 USD
View
A
Retailer 6
-
$41,198 AUD
$28,939 USD
View
A
Retailer 7
-
$41,811 AUD
$29,370 USD
View
B+
Retailer 8
-
$43,017 AUD
$30,217 USD
View
B+
Retailer 9
-
$45,168 AUD
$31,728 USD
View
B+
Retailer 10
-
$46,602 AUD
$32,735 USD
View
B+
Retailer 11
-
$47,078 AUD
€31,495 EUR
View
B+
Retailer 12
-
$48,394 AUD
$33,994 USD
View
B+
Retailer 13
-
$50,521 AUD
ZAR 573,313 ZAR
View
Most Expensive
B
MOH London
FD8BC17A8 · Nov 1
$60,865 AUD
£33,665 GBP
View
13 more retailers have this diamond
Prices start from $35,082 AUDSave up to $25,783 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
$35,082 AUD