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Oval|Natural|GIA

2.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 3565503926

Certificate GIA 3565503926

Diamond specifications and retailer prices

From £17,081 GBP
HK$178,800 HKD
As of October 30, 2026
Save £13,867 GBP (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £30,948 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565503926. Listed at 9 retailers as of October 26, 2026, with prices from £17,081 to £30,948, a £13,867 spread on the same certified stone. MOH London lists it at £30,948. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3565503926
Dimensions10.81 × 7.71 × 4.46 mm
L/W Ratio1.40
Key to symbols
Cloud, Twinning Wisp, Feather, Indented Natural, Natural
Top View
10.81 mm7.71 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565503926
Side View
Table 63.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 57.9%

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: £30,948 GBP|Low: £17,081 GBP|High: £33,664 GBP|Avg: £21,706 GBP|-8.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7£17,081 GBP
Retailer 2£18,689 GBP
Retailer 6£19,028 GBP
Retailer 3£20,201 GBP
Retailer 9£20,694 GBP
Retailer 8£21,641 GBP
Retailer 4£22,644 GBP
Retailer 5£23,881 GBP
MOH London£30,948 GBP

19 data points across 9 retailers

9 retailers£17,081 GBP to £30,948 GBP

A
Cheapest Retailer
-
£17,081 GBP
HK$178,800 HKD
A
Retailer 2
-
£18,689 GBP
₹2,384,816 INR
View
Retailer 3
-
£19,028 GBP
$25,495 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
£20,201 GBP
View
B+
Retailer 5
-
£20,694 GBP
$27,728 USD
View
Final sale: no returns
B+
Retailer 6
-
£21,641 GBP
$28,997 USD
View
B+
Retailer 7
-
£22,644 GBP
$30,340 USD
View
B+
Retailer 8
-
£23,881 GBP
€30,474 EUR
View
Most Expensive
B
MOH London
3F0BE30C1 · Oct 26
£30,948 GBP
View
8 more retailers have this diamond
Prices start from £17,081 GBPSave up to £13,867 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.

A
2.50ct Oval
£17,081 GBP