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Round|Natural|GIA

2.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 2245050886

Certificate GIA 2245050886

Diamond specifications and retailer prices

From $14,080 NZD
As of November 4, 2026
Save $13,167 NZD (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $27,247 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 2245050886. Listed at 11 retailers as of November 4, 2026, with prices from $14,080 to $27,247, a $13,167 spread on the same certified stone. NZ Jewellers lists it at $27,247. 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
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2245050886
Dimensions8.63 × 8.70 × 5.45 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal, Needle, Natural
Top View
8.63 mm8.70 mm2.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245050886
Side View
Table 56.0%Crown 33°Girdle: Sli. ThickPavilion 41.6°Culet: NoneDepth 62.9%

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: $27,247 NZD|Low: $14,080 NZD|High: $29,560 NZD|Avg: $18,421 NZD|-7.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$14,080 NZD
Retailer 3$14,215 NZD
Retailer 9$15,037 NZD
Retailer 5$15,832 NZD
Retailer 11$16,291 NZD
Retailer 10$16,542 NZD
Retailer 8$16,649 NZD
Retailer 4$17,686 NZD
Retailer 2$17,739 NZD
Retailer 6$18,798 NZD
NZ Jewellers$27,247 NZD

39 data points across 11 retailers

11 retailers$14,080 NZD to $27,247 NZD

A
Cheapest Retailer
-
$14,080 NZD
A
Retailer 2
-
$14,215 NZD
View
Retailer 3
-
$15,037 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$15,832 NZD
View
B+
Retailer 5
-
$16,291 NZD
View
B+
Retailer 6
-
$16,542 NZD
View
B+
Retailer 7
-
$16,649 NZD
View
B+
Retailer 8
-
$17,686 NZD
View
B+
Retailer 9
-
$17,739 NZD
View
B+
Retailer 10
-
$18,798 NZD
View
Most Expensive
B
NZ Jewellers
212e4133-6e3b-4518-9414-07f823665f85 · Nov 5
$27,247 NZD
$15,317 USD
View
10 more retailers have this diamond
Prices start from $14,080 NZDSave up to $13,167 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
$14,080 NZD