Round|Natural|GIA

3.21ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6552541426

Certificate GIA 6552541426

Diamond specifications and retailer prices

From $46,438 USD
As of November 5, 2026
Save $30,035 USD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $76,473 USD at MOH London · As of November 4, 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 4, 2026, with prices from $46,438 to $76,473, a $30,035 spread on the same certified stone. MOH London lists it at $76,473. 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
Color
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 5
Current: $76,473 USD|Low: $37,209 USD|High: $77,602 USD|Avg: $50,679 USD|-1.3%
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 6$37,209 USD
Retailer 7$38,950 USD
Retailer 8$41,021 USD
Retailer 5$44,943 USD
Retailer 14$46,438 USD
Retailer 15$47,135 USD
Retailer 11$48,474 USD
Retailer 2$49,128 USD
Retailer 3$51,500 USD
Retailer 16$51,500 USD
Retailer 12$52,079 USD
Retailer 4$53,210 USD
Retailer 10$55,083 USD
Retailer 9$57,760 USD
Retailer 13$58,088 USD
MOH London$76,473 USD

31 data points across 16 retailers

13 retailers$46,438 USD to $76,473 USD

B+
Cheapest Retailer
-
$46,438 USD
B+
Retailer 2
-
$47,135 USD
View
B+
Retailer 3
-
$48,474 USD
View
B+
Retailer 4
-
$49,128 USD
View
Retailer 5
-
$51,143 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$51,500 USD
View
B+
Retailer 7
-
$51,500 USD
View
B+
Retailer 8
-
$52,079 USD
View
B+
Retailer 9
-
$53,210 USD
View
B
Retailer 10
-
$55,083 USD
View
B+
Retailer 11
-
$57,760 USD
View
B
Retailer 12
-
$58,088 USD
View
Most Expensive
B
MOH London
DDC2A3EC9 · Nov 4
$76,473 USD
£60,215 GBP
View
12 more retailers have this diamond
Prices start from $46,438 USDSave up to $30,035 USD

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
$46,438 USD