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Round|Natural|GIA

2.50ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 3495094485

Certificate GIA 3495094485

Diamond specifications and retailer prices

From £18,163 GBP
$24,188 USD
As of October 29, 2026
Save £13,271 GBP (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £31,434 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3495094485. Listed at 15 retailers as of October 29, 2026, with prices from £18,163 to £31,434, a £13,271 spread on the same certified stone. MOH London lists it at £31,434. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3495094485
Dimensions8.67 × 8.60 × 5.42 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
8.67 mm8.60 mm2.50 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3495094485
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 29
Current: £31,434 GBP|Low: £17,579 GBP|High: £31,643 GBP|Avg: £22,004 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
Retailer 13
October 30, 2026
Retailer 12£17,579 GBP
Retailer 11£18,163 GBP
Retailer 8£18,227 GBP
Retailer 5£20,020 GBP
Retailer 6£20,201 GBP
Retailer 9£21,176 GBP
Retailer 10£21,176 GBP
Retailer 3£21,688 GBP
Retailer 13£21,882 GBP
Retailer 2£22,148 GBP
Retailer 4£22,523 GBP
Retailer 7£24,291 GBP
MOH London£31,434 GBP

37 data points across 13 retailers

15 retailers£18,163 GBP to £31,434 GBP

Retailer 1
-
£17,579 GBP
$23,410 USD
Price last confirmed 9 days ago
A
Retailer 2
-
£18,163 GBP
$24,188 USD
View
A
Retailer 3
-
£18,227 GBP
$24,273 USD
View
Retailer 4
-
£20,020 GBP
$26,660 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
£20,201 GBP
View
Retailer 6
-
£20,854 GBP
$27,771 USD
View
Price last confirmed 32 days ago
Retailer 7
-
£21,021 GBP
$27,993 USD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
£21,176 GBP
$28,200 USD
View
B+
Retailer 9
-
£21,176 GBP
$28,200 USD
View
Retailer 10
-
£21,688 GBP
$28,882 USD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
£21,882 GBP
$29,140 USD
View
B+
Retailer 12
-
£22,148 GBP
View
Retailer 13
-
£22,523 GBP
$29,993 USD
View
Price last confirmed 21 days ago
B+
Retailer 14
-
£24,291 GBP
€30,808 EUR
View
Most Expensive
B
MOH London
4FFCDB6DC · Oct 29
£31,434 GBP
View
14 more retailers have this diamond
Prices start from £18,163 GBPSave up to £13,271 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 Round
£18,163 GBP