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 $30,675 AUD
€20,474 EUR
As of November 1, 2026
Save $1,674 AUD (5%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $32,349 AUD 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $30,675 AUD|Low: $14,118 AUD|High: $32,349 AUD|Avg: $20,469 AUD|+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$14,118 AUD
Retailer 2$16,819 AUD
Retailer 7$17,238 AUD
Retailer 4$18,580 AUD
Retailer 9$19,116 AUD
Retailer 10$19,156 AUD
Retailer 3$19,638 AUD
Retailer 5$19,818 AUD
Retailer 12$20,393 AUD
Retailer 6$22,145 AUD
Retailer 11$25,785 AUD
Retailer 13$27,371 AUD
Retailer 1$30,675 AUD
Reve Diamonds$32,349 AUD

13 data points across 14 retailers

13 retailers$30,675 AUD to $32,349 AUD

Retailer 1
-
$14,118 AUD
₹942,277 INR
Price last confirmed 12 days ago
Retailer 2
-
$16,819 AUD
$11,787 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$17,238 AUD
$12,081 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$18,580 AUD
$13,021 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$19,116 AUD
$13,397 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$19,156 AUD
$13,425 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$19,638 AUD
$13,763 USD
View
Price last confirmed 13 days ago
Retailer 8
-
$19,818 AUD
$13,889 USD
View
Price last confirmed 18 days ago
Retailer 9
-
$20,393 AUD
$14,292 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$25,785 AUD
£14,229 GBP
View
Price last confirmed 12 days ago
Retailer 11
-
$27,371 AUD
$19,182 USD
View
Price last confirmed 13 days ago
B+
Retailer 12
-
$30,675 AUD
€20,474 EUR
View
Most Expensive
B+
Reve Diamonds
7961D4A45 · Oct 30
$32,349 AUD
$22,671 USD
View
12 more retailers have this diamond
Prices start from $30,675 AUDSave up to $1,674 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
$30,675 AUD