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Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 7561187779

Certificate GIA 7561187779

Diamond specifications and retailer prices

From $19,772 NZD
As of October 30, 2026
Save $6,459 NZD (25%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $31,961 NZD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct 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 7561187779. Listed at 8 retailers as of October 30, 2026, with a 33% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.51
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7561187779
Dimensions8.40 × 8.47 × 5.44 mm
L/W Ratio1.01
Girdle conditionThick
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
8.40 mm8.47 mm2.51 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7561187779
Side View
Table 59.0%Crown 37.5°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 64.6%

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: Oct 30
Current: $31,961 NZD|Low: $19,772 NZD|High: $33,269 NZD|Avg: $26,170 NZD|-3.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8$19,772 NZD
Retailer 6$22,834 NZD
Retailer 7$22,932 NZD
Retailer 5$23,284 NZD
Retailer 2$26,232 NZD
Retailer 3$27,472 NZD
Retailer 4$30,110 NZD
NZ Jewellers$31,961 NZD

38 data points across 8 retailers

8 retailers$19,772 NZD to $26,232 NZD

A
Cheapest Retailer
-
$19,772 NZD
B+
Retailer 2
-
$22,834 NZD
View
Retailer 3
-
$22,932 NZD
View
Price last confirmed 8 days ago
Retailer 4
-
$23,284 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$26,232 NZD
View
Retailer 6
-
$27,472 NZD
View
Price last confirmed 7 days ago
Retailer 7
-
$30,110 NZD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
7a05860c-1c5a-4b19-8ae8-ac88780255a7 · Oct 27
$31,961 NZD
$17,967 USD
View
Price last confirmed 10 days ago
7 more retailers have this diamond
Prices start from $19,772 NZDSave up to $6,459 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
2.51ct Round
$19,772 NZD