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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 £10,305 GBP
$13,807 USD
As of October 30, 2026
Save £7,365 GBP (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £17,670 GBP 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 £10,305 to £17,670, a £7,365 spread on the same certified stone. MOH London lists it at £17,670. 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: £17,670 GBP|Low: £10,305 GBP|High: £18,742 GBP|Avg: £13,345 GBP|-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£10,305 GBP
Retailer 9£10,387 GBP
Retailer 2£11,079 GBP
Retailer 10£11,332 GBP
Retailer 12£11,703 GBP
Retailer 7£11,830 GBP
Retailer 3£13,083 GBP
Retailer 5£13,603 GBP
Retailer 8£13,634 GBP
Retailer 13£13,677 GBP
Retailer 11£14,052 GBP
Retailer 6£14,165 GBP
Retailer 4£16,273 GBP
MOH London£17,670 GBP

11 data points across 14 retailers

12 retailers£10,305 GBP to £17,670 GBP

B+
Cheapest Retailer
-
£10,305 GBP
$13,807 USD
B+
Retailer 2
-
£10,387 GBP
$13,918 USD
View
B+
Retailer 3
-
£11,079 GBP
$14,845 USD
View
B+
Retailer 4
-
£11,332 GBP
CA$21,088 CAD
View
B
Retailer 5
-
£11,703 GBP
$15,681 USD
View
B+
Retailer 6
-
£11,830 GBP
View
B
Retailer 7
-
£13,083 GBP
$17,530 USD
View
B
Retailer 8
-
£13,634 GBP
€17,398 EUR
View
B
Retailer 9
-
£13,677 GBP
$18,326 USD
View
B
Retailer 10
-
£14,052 GBP
$18,828 USD
View
Retailer 11
-
£16,273 GBP
ZAR 352,242 ZAR
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
1B88E178A · Oct 26
£17,670 GBP
View
11 more retailers have this diamond
Prices start from £10,305 GBPSave up to £7,365 GBP

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
£10,305 GBP