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Oval|Natural|GIA

2.50ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 2546509078

Certificate GIA 2546509078

Diamond specifications and retailer prices

From $19,656 AUD
$13,807 USD
As of October 30, 2026
Save $14,049 AUD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $33,704 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 2.5ct natural oval diamond

This 2.5ct natural oval sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546509078. Listed at 12 retailers as of October 26, 2026, with prices from $19,656 to $33,704, a $14,049 spread on the same certified stone. MOH London lists it at $33,704. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2546509078
Dimensions10.66 × 7.60 × 4.81 mm
L/W Ratio1.40
Top View
10.66 mm7.60 mm2.50 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2546509078
Side View
Table 61.0%CrownGirdle: MED-THKPavilion 39.8°Culet: NDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $33,704 AUD|Low: $19,656 AUD|High: $35,749 AUD|Avg: $25,455 AUD|-5.7%
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
October 31, 2026
Retailer 14$19,656 AUD
Retailer 9$19,814 AUD
Retailer 2$21,133 AUD
Retailer 10$21,615 AUD
Retailer 12$22,323 AUD
Retailer 7$22,566 AUD
Retailer 3$24,956 AUD
Retailer 5$25,947 AUD
Retailer 8$26,006 AUD
Retailer 13$26,089 AUD
Retailer 11$26,804 AUD
Retailer 6$27,019 AUD
Retailer 4$31,040 AUD
MOH London$33,704 AUD

11 data points across 14 retailers

12 retailers$19,656 AUD to $33,704 AUD

B+
Cheapest Retailer
-
$19,656 AUD
$13,807 USD
B+
Retailer 2
-
$19,814 AUD
$13,918 USD
View
B+
Retailer 3
-
$21,133 AUD
$14,845 USD
View
B+
Retailer 4
-
$21,615 AUD
CA$21,088 CAD
View
B
Retailer 5
-
$22,323 AUD
$15,681 USD
View
B+
Retailer 6
-
$22,566 AUD
£12,481 GBP
View
B
Retailer 7
-
$24,956 AUD
$17,530 USD
View
B
Retailer 8
-
$26,006 AUD
€17,398 EUR
View
B
Retailer 9
-
$26,089 AUD
$18,326 USD
View
B
Retailer 10
-
$26,804 AUD
$18,828 USD
View
Retailer 11
-
$31,040 AUD
ZAR 352,242 ZAR
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
1B88E178A · Oct 26
$33,704 AUD
£18,642 GBP
View
11 more retailers have this diamond
Prices start from $19,656 AUDSave up to $14,049 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 Oval
$19,656 AUD