Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6565412056

Certificate GIA 6565412056

Diamond specifications and retailer prices

From $23,389 NZD
As of November 4, 2026
Save $12,320 NZD (35%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $35,709 NZD at MOH London · As of November 2, 2026
View at MOH London

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 6565412056. Listed at 8 retailers as of November 2, 2026, with prices from $23,389 to $35,709, a $12,320 spread on the same certified stone. MOH London lists it at $35,709. 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 angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565412056
Dimensions8.58 × 8.62 × 5.39 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Feather, Twinning Wisp, Cloud, Crystal
Top View
8.58 mm8.62 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565412056
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

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: $35,709 NZD|Low: $23,389 NZD|High: $37,241 NZD|Avg: $30,293 NZD|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$23,389 NZD
Retailer 4$26,922 NZD
Retailer 6$26,986 NZD
Retailer 7$27,342 NZD
Retailer 2$31,364 NZD
Retailer 5$32,392 NZD
Retailer 3$32,655 NZD
MOH London$35,709 NZD

41 data points across 8 retailers

8 retailers$23,389 NZD to $35,709 NZD

A
Cheapest Retailer
-
$23,389 NZD
B+
Retailer 2
-
$26,922 NZD
View
B+
Retailer 3
-
$26,986 NZD
View
B+
Retailer 4
-
$27,342 NZD
View
B
Retailer 5
-
$31,364 NZD
View
B
Retailer 6
-
$32,392 NZD
View
B
Retailer 7
-
$32,655 NZD
View
Most Expensive
B
MOH London
B76C1D77D · Nov 2
$35,709 NZD
£15,806 GBP
View
7 more retailers have this diamond
Prices start from $23,389 NZDSave up to $12,320 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
$23,389 NZD