Round|Natural|IGI

3.21ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 835613866

Shape and cutting style on the report: Round brilliant

Certificate IGI 835613866

Diamond specifications and retailer prices

From $38,208 NZD
€20,474 EUR
As of November 1, 2026
Save $2,085 NZD (5%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $40,293 NZD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 3.21ct natural round diamond

This 3.21ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 835613866. Listed at 13 retailers as of October 30, 2026, with a relatively tight 5% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 835613866
Dimensions9.30 × 9.38 × 5.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
9.30 mm9.38 mm3.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 835613866
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $38,208 NZD|Low: $17,584 NZD|High: $40,293 NZD|Avg: $25,495 NZD|+51.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 1, 2026
Retailer 8$17,584 NZD
Retailer 2$20,949 NZD
Retailer 7$21,472 NZD
Retailer 4$23,142 NZD
Retailer 9$23,810 NZD
Retailer 10$23,860 NZD
Retailer 3$24,461 NZD
Retailer 5$24,685 NZD
Retailer 12$25,401 NZD
Retailer 6$27,583 NZD
Retailer 11$32,117 NZD
Retailer 13$34,092 NZD
Retailer 1$38,208 NZD
Reve Diamonds$40,293 NZD

13 data points across 14 retailers

13 retailers$38,208 NZD to $40,293 NZD

Retailer 1
-
$17,584 NZD
₹942,277 INR
Price last confirmed 12 days ago
Retailer 2
-
$20,949 NZD
$11,787 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$21,472 NZD
$12,081 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$23,142 NZD
$13,021 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$23,810 NZD
$13,397 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$23,860 NZD
$13,425 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$24,461 NZD
$13,763 USD
View
Price last confirmed 14 days ago
Retailer 8
-
$24,685 NZD
$13,889 USD
View
Price last confirmed 18 days ago
Retailer 9
-
$25,401 NZD
$14,292 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$32,117 NZD
£14,229 GBP
View
Price last confirmed 13 days ago
Retailer 11
-
$34,092 NZD
$19,182 USD
View
Price last confirmed 13 days ago
B+
Retailer 12
-
$38,208 NZD
€20,474 EUR
View
Most Expensive
B+
Reve Diamonds
7961D4A45 · Oct 30
$40,293 NZD
$22,671 USD
View
12 more retailers have this diamond
Prices start from $38,208 NZDSave up to $2,085 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
$38,208 NZD