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Round|Natural|GIA

2.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1563364448

Certificate GIA 1563364448

Diamond specifications and retailer prices

From £10,396 GBP
₹1,326,656 INR
As of October 30, 2026
Save £8,275 GBP (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £18,671 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563364448. Listed at 21 retailers as of October 26, 2026, with prices from £10,396 to £18,671, a £8,275 spread on the same certified stone. MOH London lists it at £18,671. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1563364448
Dimensions8.60 × 8.63 × 5.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
8.60 mm8.63 mm2.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563364448
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: £18,671 GBP|Low: £10,396 GBP|High: £18,835 GBP|Avg: £13,591 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
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Retailer 21
October 31, 2026
Retailer 18£10,396 GBP
Retailer 21£11,175 GBP
Retailer 15£11,476 GBP
Retailer 4£12,010 GBP
Retailer 20£12,185 GBP
Retailer 5£12,434 GBP
Retailer 3£12,516 GBP
Retailer 14£12,640 GBP
Retailer 8£12,889 GBP
Retailer 10£13,179 GBP
Retailer 12£13,344 GBP
Retailer 17£13,658 GBP
Retailer 2£13,706 GBP
Retailer 16£13,807 GBP
Retailer 9£14,057 GBP
Retailer 7£14,277 GBP
Retailer 13£14,566 GBP
Retailer 11£14,647 GBP
Retailer 6£16,421 GBP
Retailer 19£16,766 GBP
MOH London£18,671 GBP

10 data points across 21 retailers

21 retailers£10,396 GBP to £18,671 GBP

A
Cheapest Retailer
-
£10,396 GBP
₹1,326,656 INR
B+
Retailer 2
-
£11,175 GBP
A$23,036 AUD
View
B+
Retailer 3
-
£11,476 GBP
$15,376 USD
View
Final sale: no returns
B+
Retailer 4
-
£12,010 GBP
$16,092 USD
View
B+
Retailer 5
-
£12,185 GBP
$16,327 USD
View
B+
Retailer 6
-
£12,434 GBP
View
B+
Retailer 7
-
£12,516 GBP
$16,770 USD
View
Retailer 8
-
£12,640 GBP
A$26,055 AUD
View
Price last confirmed 7 days ago
B
Retailer 9
-
£12,889 GBP
$17,270 USD
View
B
Retailer 10
-
£13,179 GBP
$17,658 USD
View
B
Retailer 11
-
£13,344 GBP
$17,880 USD
View
B
Retailer 12
-
£13,658 GBP
View
B
Retailer 13
-
£13,706 GBP
$18,365 USD
View
B
Retailer 14
-
£13,807 GBP
€17,619 EUR
View
B
Retailer 15
-
£14,057 GBP
$18,835 USD
View
B
Retailer 16
-
£14,277 GBP
$19,130 USD
View
B+
Retailer 17
-
£14,566 GBP
$19,517 USD
View
B
Retailer 18
-
£14,647 GBP
$19,625 USD
View
B
Retailer 19
-
£16,421 GBP
ZAR 355,455 ZAR
View
B
Retailer 20
-
£16,766 GBP
$22,464 USD
View
Most Expensive
B
MOH London
49216DCDC · Oct 26
£18,671 GBP
View
20 more retailers have this diamond
Prices start from £10,396 GBPSave up to £8,275 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
£10,396 GBP