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Round|Natural|GIA

2.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6531456203

Certificate GIA 6531456203

Diamond specifications and retailer prices

From $12,811 AUD
As of November 5, 2026
Save $1,260 AUD (9%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $14,070 AUD at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 2.5ct natural round diamond

This 2.5ct 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 6531456203. Listed at 2 retailers as of November 5, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

2.50
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6531456203
Dimensions8.63 × 8.56 × 5.44 mm
L/W Ratio1.01
Star length50%
Top View
8.63 mm8.56 mm2.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531456203
Side View
Table 56.0%Crown 36.5°GirdlePavilion 41°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $14,070 AUD|Low: $9,515 AUD|High: $15,616 AUD|Avg: $13,177 AUD|-0.5%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$9,515 AUD
Retailer 4$12,249 AUD
Retailer 2$12,811 AUD
Moon Ocean$14,070 AUD
Retailer 3$14,868 AUD
Retailer 5$15,616 AUD

6 data points across 6 retailers

2 retailers$12,811 AUD to $14,070 AUD

B+
Cheapest Retailer
-
$12,811 AUD
Most Expensive
B
Moon Ocean
NVN-8E349FABD-203 · Nov 6
$14,070 AUD
£7,756 GBP
View
1 more retailer has this diamond
Prices start from $12,811 AUDSave up to $1,260 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.

B+
2.50ct Round
$12,811 AUD