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Round|Natural|GIA

2.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6562605145

Certificate GIA 6562605145

Diamond specifications and retailer prices

From £9,353 GBP
SGD 16,935 SGD
As of October 29, 2026
Save £8,555 GBP (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £17,908 GBP at With Clarity · As of October 30, 2026
View at With Clarity

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 6562605145. Listed at 14 retailers as of October 29, 2026, with prices from £9,353 to £17,908, a £8,555 spread on the same certified stone. With Clarity lists it at £17,908. 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
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562605145
Dimensions8.56 × 8.60 × 5.39 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.56 mm8.60 mm2.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562605145
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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: £14,729 GBP|Low: £9,992 GBP|High: £17,908 GBP|Avg: £12,246 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 30, 2026
Retailer 7£9,992 GBP
Retailer 9£10,312 GBP
Retailer 10£10,619 GBP
Retailer 8£10,687 GBP
Retailer 6£10,723 GBP
Retailer 2£10,934 GBP
Retailer 3£10,946 GBP
Retailer 4£12,363 GBP
Retailer 11£12,573 GBP
Retailer 5£12,817 GBP
Retailer 12£12,904 GBP
Retailer 1£14,729 GBP
With Clarity£17,908 GBP

14 data points across 13 retailers

14 retailers£9,353 GBP to £17,908 GBP

A
Cheapest Retailer
-
£9,353 GBP
SGD 16,935 SGD
B+
Retailer 2
-
£9,992 GBP
SGD 18,093 SGD
View
B+
Retailer 3
-
£10,312 GBP
$13,817 USD
View
B+
Retailer 4
-
£10,619 GBP
$14,229 USD
View
B+
Retailer 5
-
£10,687 GBP
$14,320 USD
View
B+
Retailer 6
-
£10,723 GBP
View
B+
Retailer 7
-
£10,934 GBP
$14,650 USD
View
B+
Retailer 8
-
£10,946 GBP
$14,666 USD
View
B+
Retailer 9
-
£12,363 GBP
$16,566 USD
View
B
Retailer 10
-
£12,573 GBP
$16,846 USD
View
B
Retailer 11
-
£12,817 GBP
€16,355 EUR
View
B
Retailer 12
-
£12,904 GBP
$17,290 USD
View
B
Retailer 13
-
£14,729 GBP
$19,735 USD
View
Most Expensive
B
With Clarity
6562605145 · Oct 30
£17,908 GBP
$23,995 USD
View
13 more retailers have this diamond
Prices start from £9,353 GBPSave up to £8,555 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
£9,353 GBP