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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 2554594678

Certificate GIA 2554594678

Diamond specifications and retailer prices

From $18,492 NZD
As of November 4, 2026
Save $15,284 NZD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $33,776 NZD 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 $18,492 to $33,776, a $15,284 spread on the same certified stone. NZ Jewellers lists it at $33,776. 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: $33,776 NZD|Low: $18,453 NZD|High: $33,776 NZD|Avg: $24,052 NZD
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$18,492 NZD
Retailer 10$18,673 NZD
Retailer 4$18,803 NZD
Retailer 12$20,265 NZD
Retailer 2$21,548 NZD
Retailer 11$21,955 NZD
Retailer 9$22,293 NZD
Retailer 3$25,333 NZD
Retailer 5$25,337 NZD
Retailer 8$29,295 NZD
Retailer 6$31,565 NZD
NZ Jewellers$33,776 NZD

44 data points across 12 retailers

13 retailers$18,492 NZD to $33,776 NZD

A
Cheapest Retailer
-
$18,492 NZD
A
Retailer 2
-
$18,673 NZD
View
A
Retailer 3
-
$18,803 NZD
View
Retailer 4
-
$20,265 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$20,621 NZD
View
A
Retailer 6
-
$21,548 NZD
View
B+
Retailer 7
-
$21,624 NZD
View
B+
Retailer 8
-
$21,955 NZD
View
B+
Retailer 9
-
$22,293 NZD
View
B+
Retailer 10
-
$25,333 NZD
View
B+
Retailer 11
-
$25,337 NZD
View
B
Retailer 12
-
$31,565 NZD
View
Most Expensive
B
NZ Jewellers
aee4b6a7-3fae-4ab6-8f15-f568a73d405e · Nov 5
$33,776 NZD
$18,987 USD
View
12 more retailers have this diamond
Prices start from $18,492 NZDSave up to $15,284 NZD

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
$18,492 NZD