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Round|Natural|GIA

2.51ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2239127815

Certificate GIA 2239127815

Diamond specifications and retailer prices

From $25,024 NZD
As of November 6, 2026
Save $8,179 NZD (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $33,203 NZD at Yorxs · As of November 2, 2026
View at Yorxs

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2239127815. Listed at 6 retailers as of November 2, 2026, with prices from $25,024 to $33,203, a $8,179 spread on the same certified stone. Yorxs lists it at $33,203. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2239127815
Dimensions8.63 × 8.65 × 5.39 mm
L/W Ratio1.00
Top View
8.63 mm8.65 mm2.51 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2239127815
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $26,217 NZD|Low: $25,024 NZD|High: $33,352 NZD|Avg: $29,106 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 3$25,024 NZD
Retailer 1$26,217 NZD
Retailer 2$31,908 NZD
Yorxs$33,203 NZD

43 data points across 4 retailers

6 retailers$25,024 NZD to $33,203 NZD

B+
Cheapest Retailer
-
$25,024 NZD
B+
Retailer 2
-
$26,157 NZD
View
B+
Retailer 3
-
$26,217 NZD
View
B+
Retailer 4
-
$26,799 NZD
View
B
Retailer 5
-
$31,908 NZD
View
Most Expensive
B
Yorxs
TIM2640 · Nov 2
$33,203 NZD
€17,776 EUR
View
5 more retailers have this diamond
Prices start from $25,024 NZDSave up to $8,179 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.

B+
2.51ct Round
$25,024 NZD