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2.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 7512553168

Shape and cutting style on the report: Round brilliant

Certificate GIA 7512553168

Diamond specifications and retailer prices

From $14,770 NZD
As of November 5, 2026
Save $9,933 NZD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $24,704 NZD at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7512553168. Listed at 7 retailers as of November 5, 2026, with prices from $14,770 to $24,704, a $9,933 spread on the same certified stone. NZ Jewellers lists it at $24,704. 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

2.51
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7512553168
Dimensions8.61 × 8.66 × 5.40 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Knot, Cavity, Needle
Top View
8.61 mm8.66 mm2.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7512553168
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 5
Current: $24,704 NZD|Low: $13,633 NZD|High: $24,704 NZD|Avg: $16,818 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$13,633 NZD
Retailer 6$14,770 NZD
Retailer 7$14,998 NZD
Retailer 3$16,014 NZD
Retailer 2$16,083 NZD
Retailer 8$16,958 NZD
Retailer 5$17,042 NZD
NZ Jewellers$24,704 NZD

44 data points across 8 retailers

7 retailers$14,770 NZD to $24,704 NZD

Retailer 1
-
$13,633 NZD
Price last confirmed 8 days ago
B+
Retailer 2
-
$14,770 NZD
View
B+
Retailer 3
-
$14,998 NZD
View
B+
Retailer 4
-
$16,014 NZD
View
B+
Retailer 5
-
$16,083 NZD
View
B+
Retailer 6
-
$17,042 NZD
View
Most Expensive
B
NZ Jewellers
4a3ec4e2-3dcf-4467-8506-40025fb01eba · Nov 5
$24,704 NZD
$13,887 USD
View
6 more retailers have this diamond
Prices start from $14,770 NZDSave up to $9,933 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
$14,770 NZD