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Round|Natural|GIA

3.21ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1545302098

Certificate GIA 1545302098

Diamond specifications and retailer prices

From $35,720 NZD
As of November 5, 2026
Save $22,389 NZD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $58,109 NZD 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1545302098. Listed at 9 retailers as of November 2, 2026, with prices from $35,720 to $58,109, a $22,389 spread on the same certified stone. MOH London lists it at $58,109. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1545302098
Dimensions9.35 × 9.39 × 5.84 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle
Top View
9.35 mm9.39 mm3.21 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545302098
Side View
Table 58.0%Crown 36°Girdle: STK-STKPavilion 40.8°CuletDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $58,109 NZD|Low: $33,559 NZD|High: $58,109 NZD|Avg: $41,438 NZD
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 6, 2026
Retailer 13$33,559 NZD
Retailer 14$35,196 NZD
Retailer 8$35,720 NZD
Retailer 4$39,355 NZD
Retailer 7$39,634 NZD
Retailer 6$39,801 NZD
Retailer 12$41,331 NZD
Retailer 3$42,628 NZD
Retailer 11$42,695 NZD
Retailer 5$43,530 NZD
Retailer 9$44,051 NZD
Retailer 2$50,809 NZD
Retailer 10$52,188 NZD
MOH London$58,109 NZD

28 data points across 14 retailers

9 retailers$35,720 NZD to $58,109 NZD

Retailer 1
-
$33,559 NZD
Price last confirmed 19 days ago
A
Retailer 2
-
$35,720 NZD
View
B+
Retailer 3
-
$39,634 NZD
View
B+
Retailer 4
-
$41,331 NZD
View
B+
Retailer 5
-
$42,695 NZD
View
B+
Retailer 6
-
$44,051 NZD
View
B
Retailer 7
-
$50,809 NZD
View
B
Retailer 8
-
$52,188 NZD
View
Most Expensive
B
MOH London
2ABA46FEC · Nov 2
$58,109 NZD
£25,721 GBP
View
8 more retailers have this diamond
Prices start from $35,720 NZDSave up to $22,389 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.

A
3.21ct Round
$35,720 NZD