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Oval|Natural|GIA

2.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1549509571

Certificate GIA 1549509571

Diamond specifications and retailer prices

From £19,893 GBP
$26,654 USD
As of October 30, 2026
Save £14,077 GBP (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £33,970 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 1549509571. Listed at 12 retailers as of October 29, 2026, with prices from £19,893 to £33,970, a £14,077 spread on the same certified stone. MOH London lists it at £33,970. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549509571
Dimensions10.32 × 7.36 × 4.79 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Top View
10.32 mm7.36 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549509571
Side View
Table 57.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 65.1%

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: £33,970 GBP|Low: £19,367 GBP|High: £34,195 GBP|Avg: £23,755 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7£19,893 GBP
Retailer 6£20,732 GBP
Retailer 12£21,635 GBP
Retailer 5£22,227 GBP
Retailer 9£22,536 GBP
Retailer 8£22,716 GBP
Retailer 4£22,935 GBP
Retailer 10£23,438 GBP
Retailer 3£23,696 GBP
Retailer 11£24,339 GBP
Retailer 2£25,521 GBP
MOH London£33,970 GBP

40 data points across 12 retailers

12 retailers£19,893 GBP to £33,970 GBP

A
Cheapest Retailer
-
£19,893 GBP
$26,654 USD
A
Retailer 2
-
£20,732 GBP
$27,779 USD
View
Final sale: no returns
B+
Retailer 3
-
£22,227 GBP
View
B+
Retailer 4
-
£22,536 GBP
$30,196 USD
View
B+
Retailer 5
-
£22,716 GBP
$30,437 USD
View
B+
Retailer 6
-
£22,935 GBP
$30,730 USD
View
B+
Retailer 7
-
£22,935 GBP
$30,730 USD
View
B+
Retailer 8
-
£23,438 GBP
$31,404 USD
View
B+
Retailer 9
-
£23,696 GBP
$31,750 USD
View
B
Retailer 10
-
£24,339 GBP
$32,612 USD
View
B
Retailer 11
-
£25,521 GBP
€32,567 EUR
View
Most Expensive
B
MOH London
347A6FE3A · Oct 29
£33,970 GBP
View
11 more retailers have this diamond
Prices start from £19,893 GBPSave up to £14,077 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
£19,893 GBP