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Round|Natural|GIA

3.21ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6552541426

Certificate GIA 6552541426

Diamond specifications and retailer prices

From $66,263 AUD
CA$64,498 CAD
As of November 2, 2026
Save $43,150 AUD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $109,413 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 3.21ct natural round diamond

This 3.21ct natural round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552541426. Listed at 13 retailers as of November 2, 2026, with prices from $66,263 to $109,413, a $43,150 spread on the same certified stone. MOH London lists it at $109,413. 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

3.21
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552541426
Dimensions9.41 × 9.35 × 5.79 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.41 mm9.35 mm3.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552541426
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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 2
Current: $109,413 AUD|Low: $53,094 AUD|High: $110,730 AUD|Avg: $72,331 AUD|-1.1%
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
November 3, 2026
Retailer 6$53,094 AUD
Retailer 7$55,579 AUD
Retailer 8$58,534 AUD
Retailer 5$64,129 AUD
Retailer 13$66,263 AUD
Retailer 15$67,257 AUD
Retailer 9$69,168 AUD
Retailer 2$70,797 AUD
Retailer 3$73,485 AUD
Retailer 16$73,485 AUD
Retailer 11$74,312 AUD
Retailer 4$75,925 AUD
Retailer 14$78,599 AUD
Retailer 10$82,860 AUD
Retailer 12$82,886 AUD
MOH London$109,413 AUD

28 data points across 16 retailers

13 retailers$66,263 AUD to $109,413 AUD

B+
Cheapest Retailer
-
$66,263 AUD
CA$64,498 CAD
B+
Retailer 2
-
$67,257 AUD
$47,135 USD
View
B+
Retailer 3
-
$69,168 AUD
$48,474 USD
View
B+
Retailer 4
-
$70,797 AUD
£39,068 GBP
View
Retailer 5
-
$72,976 AUD
$51,143 USD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
$73,485 AUD
$51,500 USD
View
B+
Retailer 7
-
$73,485 AUD
$51,500 USD
View
B+
Retailer 8
-
$74,312 AUD
$52,079 USD
View
B+
Retailer 9
-
$75,925 AUD
$53,210 USD
View
Retailer 10
-
$78,599 AUD
$55,084 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$82,860 AUD
€55,305 EUR
View
B
Retailer 12
-
$82,886 AUD
$58,088 USD
View
Most Expensive
B
MOH London
DDC2A3EC9 · Nov 2
$109,413 AUD
£60,377 GBP
View
12 more retailers have this diamond
Prices start from $66,263 AUDSave up to $43,150 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+
3.21ct Round
$66,263 AUD