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Round|Natural|GIA

3.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1242005486

Certificate GIA 1242005486

Diamond specifications and retailer prices

From $46,142 AUD
CA$45,017 CAD
As of October 30, 2026
Save $29,921 AUD (39%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $76,063 AUD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1242005486. Listed at 19 retailers as of October 29, 2026, with prices from $46,142 to $76,063, a $29,921 spread on the same certified stone. MOH London lists it at $76,063. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242005486
Dimensions9.63 × 9.57 × 6.01 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.63 mm9.57 mm3.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242005486
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilionCulet: 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: Oct 30
Current: $76,063 AUD|Low: $40,331 AUD|High: $76,063 AUD|Avg: $51,557 AUD|+0.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 7$40,331 AUD
Retailer 11$41,986 AUD
Retailer 16$46,142 AUD
Retailer 3$46,431 AUD
Retailer 13$48,539 AUD
Retailer 2$48,903 AUD
Retailer 4$49,319 AUD
Retailer 8$50,235 AUD
Retailer 6$50,462 AUD
Retailer 5$51,065 AUD
Retailer 17$51,065 AUD
Retailer 14$51,301 AUD
Retailer 10$52,166 AUD
Retailer 19$52,759 AUD
Retailer 15$55,247 AUD
Retailer 12$57,607 AUD
Retailer 9$57,628 AUD
Retailer 18$57,733 AUD
MOH London$76,063 AUD

13 data points across 19 retailers

19 retailers$46,142 AUD to $76,063 AUD

Retailer 1
-
$40,331 AUD
$28,330 USD
Price last confirmed 17 days ago
Retailer 2
-
$41,986 AUD
$29,493 USD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
$46,142 AUD
CA$45,017 CAD
View
B+
Retailer 4
-
$46,431 AUD
$32,615 USD
View
B+
Retailer 5
-
$48,539 AUD
$34,096 USD
View
B+
Retailer 6
-
$48,903 AUD
£27,049 GBP
View
B+
Retailer 7
-
$49,319 AUD
$34,644 USD
View
Retailer 8
-
$50,235 AUD
$35,287 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
$50,462 AUD
$35,447 USD
View
B+
Retailer 10
-
$51,065 AUD
$35,870 USD
View
B+
Retailer 11
-
$51,065 AUD
$35,870 USD
View
B+
Retailer 12
-
$51,301 AUD
$36,036 USD
View
Retailer 13
-
$52,166 AUD
$36,644 USD
View
Price last confirmed 17 days ago
B+
Retailer 14
-
$52,759 AUD
$37,060 USD
View
B+
Retailer 15
-
$55,247 AUD
$38,808 USD
View
B
Retailer 16
-
$57,607 AUD
€38,539 EUR
View
Retailer 17
-
$57,628 AUD
£31,874 GBP
View
Price last confirmed 17 days ago
B
Retailer 18
-
$57,733 AUD
$40,554 USD
View
Most Expensive
B
MOH London
D6DEA1204 · Oct 29
$76,063 AUD
£42,071 GBP
View
18 more retailers have this diamond
Prices start from $46,142 AUDSave up to $29,921 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
$46,142 AUD