CaratHunter
Plans
Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 2554594678

Certificate GIA 2554594678

Diamond specifications and retailer prices

From $14,849 AUD
As of November 4, 2026
Save $12,274 AUD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $27,123 AUD at NZ Jewellers · As of November 5, 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 very-good cut grade and certified by GIA 2554594678. Listed at 13 retailers as of November 4, 2026, with prices from $14,849 to $27,123, a $12,274 spread on the same certified stone. NZ Jewellers lists it at $27,123. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.50
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2554594678
Dimensions8.52 × 8.58 × 5.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Cavity, Needle
Top View
8.52 mm8.58 mm2.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554594678
Side View
Table 60.0%Crown 36.5°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $27,123 AUD|Low: $14,818 AUD|High: $27,123 AUD|Avg: $19,315 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$14,849 AUD
Retailer 10$14,995 AUD
Retailer 4$15,099 AUD
Retailer 12$16,273 AUD
Retailer 2$17,303 AUD
Retailer 11$17,631 AUD
Retailer 9$17,902 AUD
Retailer 3$20,343 AUD
Retailer 5$20,346 AUD
Retailer 8$23,525 AUD
Retailer 6$25,347 AUD
NZ Jewellers$27,123 AUD

44 data points across 12 retailers

13 retailers$14,849 AUD to $27,123 AUD

A
Cheapest Retailer
-
$14,849 AUD
A
Retailer 2
-
$14,995 AUD
View
A
Retailer 3
-
$15,099 AUD
View
Retailer 4
-
$16,273 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$16,559 AUD
View
A
Retailer 6
-
$17,303 AUD
View
B+
Retailer 7
-
$17,365 AUD
View
B+
Retailer 8
-
$17,631 AUD
View
B+
Retailer 9
-
$17,902 AUD
View
B+
Retailer 10
-
$20,343 AUD
View
B+
Retailer 11
-
$20,346 AUD
View
B
Retailer 12
-
$25,347 AUD
View
Most Expensive
B
NZ Jewellers
aee4b6a7-3fae-4ab6-8f15-f568a73d405e · Nov 5
$27,123 AUD
$18,987 USD
View
12 more retailers have this diamond
Prices start from $14,849 AUDSave up to $12,274 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
$14,849 AUD