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Round|Natural|GIA

2.05ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2458262295

Certificate GIA 2458262295

Diamond specifications and retailer prices

From $14,635 AUD
As of November 4, 2026
Save $11,875 AUD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $26,510 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.05ct natural round diamond

This 2.05ct 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 GIA 2458262295. Listed at 13 retailers as of November 4, 2026, with prices from $14,635 to $26,510, a $11,875 spread on the same certified stone. NZ Jewellers lists it at $26,510. 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

2.05
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2458262295
Dimensions8.09 × 8.04 × 5.07 mm
L/W Ratio1.01
Top View
8.09 mm8.04 mm2.05 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2458262295
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilionCulet: 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 4
Current: $18,412 AUD|Low: $14,635 AUD|High: $25,140 AUD|Avg: $19,315 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$14,635 AUD
Retailer 7$15,906 AUD
Retailer 3$16,808 AUD
Retailer 8$17,232 AUD
Retailer 1$18,412 AUD
Retailer 9$19,883 AUD
Retailer 4$19,886 AUD
Retailer 2$21,840 AUD
Retailer 5$24,774 AUD

42 data points across 9 retailers

13 retailers$14,635 AUD to $26,510 AUD

B+
Cheapest Retailer
-
$14,635 AUD
Retailer 2
-
$15,906 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$15,906 AUD
View
B
Retailer 4
-
$16,039 AUD
View
B
Retailer 5
-
$16,808 AUD
View
B
Retailer 6
-
$17,232 AUD
View
B
Retailer 7
-
$17,496 AUD
View
B
Retailer 8
-
$18,412 AUD
View
B
Retailer 9
-
$19,883 AUD
View
B
Retailer 10
-
$19,886 AUD
View
B
Retailer 11
-
$21,840 AUD
View
B
Retailer 12
-
$24,774 AUD
View
Most Expensive
B
NZ Jewellers
77a15a88-f656-4bc9-97f6-6d62739446c1 · Nov 5
$26,510 AUD
$18,558 USD
View
12 more retailers have this diamond
Prices start from $14,635 AUDSave up to $11,875 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+
2.05ct Round
$14,635 AUD