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Round|Natural|GIA

2.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1567605991

Certificate GIA 1567605991

Diamond specifications and retailer prices

From £9,572 GBP
HK$100,200 HKD
As of October 30, 2026
Save £7,865 GBP (45%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £17,437 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1567605991. Listed at 17 retailers as of October 29, 2026, with prices from £9,572 to £17,437, a £7,865 spread on the same certified stone. MOH London lists it at £17,437. 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
FluorescenceFaint
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1567605991
Dimensions8.81 × 8.79 × 5.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Cloud
Top View
8.81 mm8.79 mm2.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1567605991
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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: £17,437 GBP|Low: £9,572 GBP|High: £17,437 GBP|Avg: £12,673 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 8£9,572 GBP
Retailer 12£10,094 GBP
Retailer 17£11,161 GBP
Retailer 10£11,515 GBP
Retailer 2£11,538 GBP
Retailer 7£11,538 GBP
Retailer 9£11,747 GBP
Retailer 4£12,258 GBP
Retailer 13£12,817 GBP
Retailer 5£13,076 GBP
Retailer 3£13,280 GBP
Retailer 11£13,476 GBP
Retailer 6£13,621 GBP
Retailer 16£13,791 GBP
Retailer 15£15,275 GBP
Retailer 14£15,733 GBP
MOH London£17,437 GBP

9 data points across 17 retailers

17 retailers£9,572 GBP to £17,437 GBP

A
Cheapest Retailer
-
£9,572 GBP
HK$100,200 HKD
A
Retailer 2
-
£10,094 GBP
₹1,288,055 INR
View
B+
Retailer 3
-
£11,161 GBP
$14,955 USD
View
B+
Retailer 4
-
£11,515 GBP
View
B+
Retailer 5
-
£11,538 GBP
$15,460 USD
View
B+
Retailer 6
-
£11,538 GBP
$15,460 USD
View
B+
Retailer 7
-
£11,747 GBP
$15,740 USD
View
Final sale: no returns
B+
Retailer 8
-
£12,258 GBP
$16,425 USD
View
B+
Retailer 9
-
£12,817 GBP
View
B
Retailer 10
-
£13,076 GBP
$17,520 USD
View
B
Retailer 11
-
£13,280 GBP
$17,794 USD
View
B
Retailer 12
-
£13,476 GBP
€17,197 EUR
View
B
Retailer 13
-
£13,621 GBP
$18,250 USD
View
B
Retailer 14
-
£13,791 GBP
$18,479 USD
View
B
Retailer 15
-
£15,275 GBP
ZAR 330,639 ZAR
View
B
Retailer 16
-
£15,733 GBP
$21,081 USD
View
Most Expensive
B
MOH London
DD59EE477 · Oct 29
£17,437 GBP
View
16 more retailers have this diamond
Prices start from £9,572 GBPSave up to £7,865 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
£9,572 GBP