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Round|Natural|GIA

3.21ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6555441578

Certificate GIA 6555441578

Diamond specifications and retailer prices

From $60,603 NZD
CA$47,439 CAD
As of October 30, 2026
Save $38,739 NZD (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $99,342 NZD at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555441578. Listed at 12 retailers as of October 30, 2026, with prices from $60,603 to $99,342, a $38,739 spread on the same certified stone. MOH London lists it at $99,342. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555441578
Dimensions9.43 × 9.37 × 5.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
9.43 mm9.37 mm3.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555441578
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: $99,342 NZD|Low: $53,177 NZD|High: $100,538 NZD|Avg: $67,999 NZD|-1.2%
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
November 2, 2026
Retailer 5$53,477 NZD
Retailer 6$56,151 NZD
Retailer 10$60,603 NZD
Retailer 3$60,981 NZD
Retailer 14$63,751 NZD
Retailer 2$64,223 NZD
Retailer 4$66,998 NZD
Retailer 8$66,998 NZD
Retailer 11$67,377 NZD
Retailer 9$69,233 NZD
Retailer 7$75,130 NZD
Retailer 12$75,152 NZD
Retailer 13$75,826 NZD
MOH London$99,342 NZD

30 data points across 14 retailers

12 retailers$60,603 NZD to $99,342 NZD

B+
Cheapest Retailer
-
$60,603 NZD
CA$47,439 CAD
B+
Retailer 2
-
$60,981 NZD
$34,369 USD
View
B+
Retailer 3
-
$63,751 NZD
$35,930 USD
View
B+
Retailer 4
-
$64,223 NZD
£28,501 GBP
View
B+
Retailer 5
-
$66,998 NZD
$37,760 USD
View
B+
Retailer 6
-
$66,998 NZD
$37,760 USD
View
B+
Retailer 7
-
$67,377 NZD
$37,974 USD
View
B
Retailer 8
-
$69,233 NZD
$39,020 USD
View
B+
Retailer 9
-
$75,130 NZD
€40,327 EUR
View
B
Retailer 10
-
$75,152 NZD
$42,356 USD
View
B
Retailer 11
-
$75,826 NZD
$42,736 USD
View
Most Expensive
B
MOH London
059A526E6 · Nov 1
$99,342 NZD
£44,086 GBP
View
11 more retailers have this diamond
Prices start from $60,603 NZDSave up to $38,739 NZD

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
$60,603 NZD