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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1569290669

Certificate GIA 1569290669

Diamond specifications and retailer prices

From $15,252 AUD
As of November 5, 2026
Save $239 AUD (2%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $24,646 AUD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569290669. Listed at 15 retailers as of November 4, 2026, with a relatively tight 2% 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

2.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1569290669
Dimensions8.59 × 8.64 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle, Indented Natural, Natural
Top View
8.59 mm8.64 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569290669
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

Caratlytics Score

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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 5
Current: $24,646 AUD|Low: $12,799 AUD|High: $24,646 AUD|Avg: $16,909 AUD|+2.4%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 11$12,799 AUD
Retailer 13$13,142 AUD
Retailer 8$13,254 AUD
Retailer 5$13,665 AUD
Retailer 9$14,152 AUD
Retailer 18$14,788 AUD
Retailer 4$15,128 AUD
Retailer 2$15,252 AUD
Retailer 10$15,491 AUD
Retailer 6$15,773 AUD
Retailer 19$16,019 AUD
Retailer 12$16,229 AUD
Retailer 17$16,266 AUD
Retailer 3$18,483 AUD
Retailer 16$18,535 AUD
Retailer 7$19,455 AUD
Retailer 14$21,232 AUD
Retailer 15$23,217 AUD
NZ Jewellers$24,646 AUD

27 data points across 19 retailers

15 retailers$15,252 AUD to $15,491 AUD

Retailer 1
-
$12,799 AUD
Price last confirmed 29 days ago
Retailer 2
-
$13,142 AUD
View
Price last confirmed 19 days ago
Retailer 3
-
$14,152 AUD
View
Price last confirmed 36 days ago
Retailer 4
-
$14,788 AUD
View
Price last confirmed 21 days ago
Retailer 5
-
$15,128 AUD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$15,252 AUD
View
A
Retailer 7
-
$15,491 AUD
View
Retailer 8
-
$15,773 AUD
View
Price last confirmed 19 days ago
Retailer 9
-
$16,019 AUD
View
Price last confirmed 19 days ago
Retailer 10
-
$16,229 AUD
View
Price last confirmed 18 days ago
Retailer 11
-
$16,266 AUD
View
Price last confirmed 22 days ago
Retailer 12
-
$18,483 AUD
View
Price last confirmed 28 days ago
Retailer 13
-
$19,455 AUD
View
Price last confirmed 23 days ago
Retailer 14
-
$23,217 AUD
View
Price last confirmed 18 days ago
Most Expensive
NZ Jewellers
6325d607-f214-47d8-8daf-da30a90f1f3d · Oct 17
$24,646 AUD
$17,253 USD
View
Price last confirmed 19 days ago
14 more retailers have this diamond
Prices start from $15,252 AUDSave up to $239 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
2.50ct Round
$15,252 AUD