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Round|Natural|GIA

2.50ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 5556971344

Certificate GIA 5556971344

Diamond specifications and retailer prices

From £7,263 GBP
SGD 13,151 SGD
As of October 30, 2026
Save £4,152 GBP (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £11,415 GBP at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5556971344. Listed at 13 retailers as of October 29, 2026, with prices from £7,263 to £11,415, a £4,152 spread on the same certified stone. Helzberg Diamonds lists it at £11,415. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.50
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5556971344
Dimensions8.44 × 8.48 × 5.46 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.44 mm8.48 mm2.50 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556971344
Side View
Table 55.0%Crown 37.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.6%

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: £11,415 GBP|Low: £7,263 GBP|High: £11,701 GBP|Avg: £9,037 GBP|-2.4%
Helzberg Diamonds
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 8£7,263 GBP
Retailer 10£7,500 GBP
Retailer 12£7,882 GBP
Retailer 7£7,925 GBP
Retailer 5£7,947 GBP
Retailer 9£8,028 GBP
Retailer 11£8,453 GBP
Retailer 4£9,240 GBP
Retailer 6£9,314 GBP
Retailer 13£9,328 GBP
Retailer 3£9,660 GBP
Retailer 2£10,705 GBP
Helzberg Diamonds£11,415 GBP

24 data points across 13 retailers

13 retailers£7,263 GBP to £11,415 GBP

A
Cheapest Retailer
-
£7,263 GBP
SGD 13,151 SGD
A
Retailer 2
-
£7,500 GBP
$10,049 USD
View
A
Retailer 3
-
£7,882 GBP
$10,561 USD
View
A
Retailer 4
-
£7,925 GBP
View
A
Retailer 5
-
£7,947 GBP
$10,648 USD
View
A
Retailer 6
-
£8,028 GBP
$10,757 USD
View
A
Retailer 7
-
£8,453 GBP
SGD 15,305 SGD
View
A
Retailer 8
-
£9,240 GBP
$12,381 USD
View
A
Retailer 9
-
£9,314 GBP
€11,886 EUR
View
A
Retailer 10
-
£9,328 GBP
$12,499 USD
View
B+
Retailer 11
-
£9,660 GBP
$12,944 USD
View
B+
Retailer 12
-
£10,705 GBP
$14,343 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRLLLMPNHJKK · Oct 29
£11,415 GBP
$15,295 USD
View
12 more retailers have this diamond
Prices start from £7,263 GBPSave up to £4,152 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
£7,263 GBP