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Round|Natural|IGI

2.10ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 670479091

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479091

Diamond specifications and retailer prices

From $9,028 AUD
As of November 4, 2026
Save $8,328 AUD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,356 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.1ct natural round diamond

This 2.1ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670479091. Listed at 14 retailers as of November 4, 2026, with prices from $9,028 to $17,356, a $8,328 spread on the same certified stone. NZ Jewellers lists it at $17,356. 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

2.10
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 670479091
Dimensions8.35 × 8.29 × 4.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
8.35 mm8.29 mm2.10 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479091
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.5%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $9,691 AUD|Low: $9,028 AUD|High: $15,101 AUD|Avg: $11,150 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$9,028 AUD
Retailer 1$9,691 AUD
Retailer 2$9,985 AUD
Retailer 7$10,537 AUD
Retailer 4$11,275 AUD
Retailer 3$11,917 AUD
Retailer 5$14,881 AUD

39 data points across 7 retailers

14 retailers$9,028 AUD to $17,356 AUD

A
Cheapest Retailer
-
$9,028 AUD
A
Retailer 2
-
$9,051 AUD
View
Retailer 3
-
$9,580 AUD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$9,600 AUD
View
A
Retailer 5
-
$9,691 AUD
View
A
Retailer 6
-
$9,985 AUD
View
B+
Retailer 7
-
$10,378 AUD
View
B+
Retailer 8
-
$10,537 AUD
View
B+
Retailer 9
-
$10,608 AUD
View
B+
Retailer 10
-
$11,275 AUD
View
B+
Retailer 11
-
$11,917 AUD
View
B+
Retailer 12
-
$11,974 AUD
View
B+
Retailer 13
-
$14,881 AUD
View
Most Expensive
B
NZ Jewellers
2db14cf9-1063-4f7d-b3fa-a080f16bf692 · Nov 5
$17,356 AUD
$12,150 USD
View
13 more retailers have this diamond
Prices start from $9,028 AUDSave up to $8,328 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.

A
2.10ct Round
$9,028 AUD