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Round|Natural|GIA

2.50ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 3515712746

Certificate GIA 3515712746

Diamond specifications and retailer prices

From £18,280 GBP
$24,343 USD
As of October 29, 2026
Save £10,574 GBP (37%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £28,854 GBP at MOH London · As of October 26, 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 3515712746. Listed at 16 retailers as of October 26, 2026, with prices from £18,280 to £28,854, a £10,574 spread on the same certified stone. MOH London lists it at £28,854. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3515712746
Dimensions8.82 × 8.75 × 5.39 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
8.82 mm8.75 mm2.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515712746
Side View
Table 57.0%Crown 34.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 61.3%

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: £28,854 GBP|Low: £16,179 GBP|High: £29,163 GBP|Avg: £20,969 GBP|-0.8%
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 30, 2026
Retailer 3£16,179 GBP
Retailer 4£17,880 GBP
Retailer 14£18,280 GBP
Retailer 8£18,527 GBP
Retailer 6£18,542 GBP
Retailer 5£19,517 GBP
Retailer 13£20,365 GBP
Retailer 7£20,462 GBP
Retailer 12£21,384 GBP
Retailer 11£22,063 GBP
Retailer 9£22,265 GBP
Retailer 10£22,912 GBP
Retailer 2£26,138 GBP
MOH London£28,854 GBP

28 data points across 14 retailers

16 retailers£18,280 GBP to £28,854 GBP

Retailer 1
-
£16,179 GBP
₹2,051,993 INR
Price last confirmed 11 days ago
Retailer 2
-
£17,078 GBP
$22,742 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£17,880 GBP
$23,810 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£18,280 GBP
$24,343 USD
View
A
Retailer 5
-
£18,527 GBP
View
A
Retailer 6
-
£18,542 GBP
$24,692 USD
View
A
Retailer 7
-
£19,517 GBP
$25,990 USD
View
Final sale: no returns
A
Retailer 8
-
£20,365 GBP
$27,120 USD
View
A
Retailer 9
-
£20,462 GBP
View
B+
Retailer 10
-
£21,384 GBP
$28,477 USD
View
B+
Retailer 11
-
£22,063 GBP
$29,381 USD
View
B+
Retailer 12
-
£22,265 GBP
€28,238 EUR
View
B+
Retailer 13
-
£22,661 GBP
$30,177 USD
View
B+
Retailer 14
-
£22,912 GBP
$30,511 USD
View
B+
Retailer 15
-
£26,138 GBP
$34,807 USD
View
Most Expensive
B+
MOH London
31E2E7CE6 · Oct 26
£28,854 GBP
View
15 more retailers have this diamond
Prices start from £18,280 GBPSave up to £10,574 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
£18,280 GBP