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Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2221820466

Certificate GIA 2221820466

Diamond specifications and retailer prices

From $60,539 AUD
$42,525 USD
As of November 1, 2026
Save $50,035 AUD (45%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $110,574 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 GIA 2221820466. Listed at 20 retailers as of November 1, 2026, with prices from $60,539 to $110,574, a $50,035 spread on the same certified stone. MOH London lists it at $110,574. 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 angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2221820466
Dimensions9.75 × 9.69 × 5.96 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.75 mm9.69 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2221820466
Side View
Table 60.0%Crown 33.5°Girdle: ThickPavilion 41.4°Culet: NoneDepth 61.4%

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 1
Current: $110,574 AUD|Low: $60,539 AUD|High: $111,906 AUD|Avg: $75,677 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$60,539 AUD
Retailer 2$64,056 AUD
Retailer 8$64,163 AUD
Retailer 7$67,779 AUD
Retailer 5$70,843 AUD
Retailer 9$73,751 AUD
Retailer 3$82,917 AUD
Retailer 4$91,784 AUD
MOH London$110,574 AUD

34 data points across 9 retailers

20 retailers$60,539 AUD to $110,574 AUD

B+
Cheapest Retailer
-
$60,539 AUD
$42,525 USD
B+
Retailer 2
-
$64,056 AUD
₹4,285,319 INR
View
B+
Retailer 3
-
$64,100 AUD
$45,027 USD
View
B+
Retailer 4
-
$64,163 AUD
$45,071 USD
View
B+
Retailer 5
-
$66,307 AUD
CA$64,690 CAD
View
Retailer 6
-
$67,779 AUD
View
Price last confirmed 28 days ago
B
Retailer 7
-
$68,575 AUD
$48,170 USD
View
B
Retailer 8
-
$70,801 AUD
$49,734 USD
View
B+
Retailer 9
-
$70,843 AUD
£39,184 GBP
View
B
Retailer 10
-
$73,529 AUD
$51,650 USD
View
B
Retailer 11
-
$73,529 AUD
$51,650 USD
View
B
Retailer 12
-
$73,751 AUD
$51,806 USD
View
B
Retailer 13
-
$73,751 AUD
$51,806 USD
View
B
Retailer 14
-
$75,978 AUD
$53,370 USD
View
B
Retailer 15
-
$76,701 AUD
$53,878 USD
View
B
Retailer 16
-
$79,650 AUD
$55,950 USD
View
B
Retailer 17
-
$80,080 AUD
$56,252 USD
View
B
Retailer 18
-
$82,917 AUD
€55,471 EUR
View
B
Retailer 19
-
$91,784 AUD
ZAR 1,041,566 ZAR
View
Most Expensive
B
MOH London
2C4CE80FA · Nov 1
$110,574 AUD
£61,159 GBP
View
19 more retailers have this diamond
Prices start from $60,539 AUDSave up to $50,035 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
$60,539 AUD