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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1549912877

Certificate GIA 1549912877

Diamond specifications and retailer prices

From $17,775 AUD
As of November 4, 2026
Save $12,508 AUD (41%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $30,283 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1549912877. Listed at 15 retailers as of November 4, 2026, with prices from $17,775 to $30,283, a $12,508 spread on the same certified stone. MOH London lists it at $30,283. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1549912877
Dimensions8.59 × 8.65 × 5.40 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.59 mm8.65 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1549912877
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 4
Current: $30,283 AUD|Low: $17,775 AUD|High: $30,729 AUD|Avg: $22,825 AUD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 13$17,775 AUD
Retailer 15$19,442 AUD
Retailer 8$19,603 AUD
Retailer 2$20,410 AUD
Retailer 16$20,738 AUD
Retailer 7$20,755 AUD
Retailer 5$21,062 AUD
Retailer 3$21,270 AUD
Retailer 4$21,872 AUD
Retailer 10$22,480 AUD
Retailer 9$23,627 AUD
Retailer 11$24,146 AUD
Retailer 6$26,084 AUD
Retailer 12$27,541 AUD
Retailer 14$28,104 AUD
MOH London$30,283 AUD

36 data points across 16 retailers

15 retailers$17,775 AUD to $30,283 AUD

A
Cheapest Retailer
-
$17,775 AUD
A
Retailer 2
-
$18,038 AUD
View
Retailer 3
-
$19,442 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$19,603 AUD
View
B+
Retailer 5
-
$20,410 AUD
View
B+
Retailer 6
-
$20,738 AUD
View
B+
Retailer 7
-
$20,755 AUD
View
B+
Retailer 8
-
$21,062 AUD
View
B+
Retailer 9
-
$21,270 AUD
View
B+
Retailer 10
-
$21,872 AUD
View
B+
Retailer 11
-
$22,480 AUD
View
B+
Retailer 12
-
$23,627 AUD
View
B
Retailer 13
-
$24,146 AUD
View
B
Retailer 14
-
$27,541 AUD
View
Most Expensive
B
MOH London
9277CAEAE · Nov 4
$30,283 AUD
£16,692 GBP
View
14 more retailers have this diamond
Prices start from $17,775 AUDSave up to $12,508 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
2.50ct Round
$17,775 AUD