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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6551701522

Certificate GIA 6551701522

Diamond specifications and retailer prices

From $23,844 AUD
$16,749 USD
As of October 30, 2026
Save $16,879 AUD (41%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $40,723 AUD at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551701522. Listed at 15 retailers as of October 29, 2026, with prices from $23,844 to $40,723, a $16,879 spread on the same certified stone. MOH London lists it at $40,723. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551701522
Dimensions8.55 × 8.63 × 5.38 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.55 mm8.63 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551701522
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.6%

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: Oct 30
Current: $40,723 AUD|Low: $23,844 AUD|High: $40,994 AUD|Avg: $30,269 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$23,844 AUD
Retailer 2$25,702 AUD
Retailer 4$26,793 AUD
Retailer 5$30,266 AUD
Retailer 3$31,996 AUD
MOH London$40,723 AUD

33 data points across 6 retailers

15 retailers$23,844 AUD to $40,723 AUD

A
Cheapest Retailer
-
$23,844 AUD
$16,749 USD
A
Retailer 2
-
$24,494 AUD
$17,206 USD
View
A
Retailer 3
-
$25,702 AUD
₹1,719,439 INR
View
A
Retailer 4
-
$26,793 AUD
£14,820 GBP
View
Retailer 5
-
$27,233 AUD
$19,130 USD
View
Price last confirmed 31 days ago
B+
Retailer 6
-
$27,708 AUD
$19,463 USD
View
Retailer 7
-
$28,098 AUD
$19,737 USD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$28,557 AUD
$20,060 USD
View
B+
Retailer 9
-
$28,557 AUD
$20,060 USD
View
Retailer 10
-
$29,178 AUD
$20,496 USD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$29,511 AUD
$20,730 USD
View
B+
Retailer 12
-
$30,266 AUD
€20,248 EUR
View
B+
Retailer 13
-
$31,996 AUD
£17,697 GBP
View
Retailer 14
-
$36,743 AUD
$25,810 USD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
32F9B49D0 · Oct 29
$40,723 AUD
£22,524 GBP
View
14 more retailers have this diamond
Prices start from $23,844 AUDSave up to $16,879 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
$23,844 AUD