Oval|Natural|GIA

2.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6505550931

Certificate GIA 6505550931

Diamond specifications and retailer prices

From £22,890 GBP
$30,482 USD
As of October 30, 2026
Save £16,585 GBP (42%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £39,475 GBP at MOH London · As of October 29, 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 6505550931. Listed at 17 retailers as of October 29, 2026, with prices from £22,890 to £39,475, a £16,585 spread on the same certified stone. MOH London lists it at £39,475. 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6505550931
Dimensions10.85 × 7.76 × 4.59 mm
L/W Ratio1.40
Top View
10.85 mm7.76 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6505550931
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: NoneDepth 59.2%

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: £39,475 GBP|Low: £22,890 GBP|High: £39,737 GBP|Avg: £29,305 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6£22,890 GBP
Retailer 7£24,416 GBP
Retailer 8£24,901 GBP
Retailer 3£25,323 GBP
Retailer 2£27,813 GBP
Retailer 4£29,474 GBP
Retailer 5£34,580 GBP
MOH London£39,475 GBP

43 data points across 8 retailers

17 retailers£22,890 GBP to £39,475 GBP

B+
Cheapest Retailer
-
£22,890 GBP
$30,482 USD
B+
Retailer 2
-
£24,416 GBP
$32,515 USD
View
Retailer 3
-
£24,901 GBP
A$51,016 AUD
View
Price last confirmed 26 days ago
B
Retailer 4
-
£25,141 GBP
$33,480 USD
View
B+
Retailer 5
-
£25,323 GBP
View
B+
Retailer 6
-
£26,189 GBP
$34,875 USD
View
B+
Retailer 7
-
£26,245 GBP
$34,950 USD
View
B+
Retailer 8
-
£26,245 GBP
$34,950 USD
View
B+
Retailer 9
-
£26,398 GBP
$35,154 USD
View
B+
Retailer 10
-
£27,124 GBP
$36,120 USD
View
B+
Retailer 11
-
£27,162 GBP
$36,171 USD
View
B+
Retailer 12
-
£27,236 GBP
$36,270 USD
View
B+
Retailer 13
-
£27,813 GBP
View
B
Retailer 14
-
£28,284 GBP
$37,665 USD
View
B
Retailer 15
-
£29,474 GBP
€37,381 EUR
View
B
Retailer 16
-
£34,580 GBP
ZAR 743,928 ZAR
View
Most Expensive
B
MOH London
A3D2A0915 · Oct 29
£39,475 GBP
View
16 more retailers have this diamond
Prices start from £22,890 GBPSave up to £16,585 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
£22,890 GBP