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Round|Natural|GIA

2.51ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1445891122

Certificate GIA 1445891122

Diamond specifications and retailer prices

From $7,930 AUD
As of November 6, 2026
Save $3,332 AUD (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $11,261 AUD at Yorxs · As of November 5, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1445891122. Listed at 2 retailers as of November 5, 2026, with prices from $7,930 to $11,261, a $3,332 spread on the same certified stone. Yorxs lists it at $11,261. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1445891122
Dimensions8.66 × 8.72 × 5.34 mm
L/W Ratio1.01
Key to symbols
Feather, Needle, Indented Natural, Natural
Top View
8.66 mm8.72 mm2.51 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 1445891122
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,930 AUD|Low: $7,930 AUD|High: $11,389 AUD|Avg: $9,651 AUD|-1.8%
Retailer 1
Yorxs
November 6, 2026
Retailer 1$7,930 AUD
Yorxs$11,261 AUD

45 data points across 2 retailers

2 retailers$7,930 AUD to $11,261 AUD

A
Cheapest Retailer
-
$7,930 AUD
Most Expensive
B+
Yorxs
33514 · Nov 5
$11,261 AUD
€7,508 EUR
View
1 more retailer has this diamond
Prices start from $7,930 AUDSave up to $3,332 AUD

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
$7,930 AUD