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Round|Natural|GIA

1.25ct J IF Round Natural Diamond

EX • J/IF • GIA 1559483773

Certificate GIA 1559483773

Diamond specifications and retailer prices

From £2,333 GBP
As of November 6, 2026
Save £2,936 GBP (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,603 GBP at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1559483773. Listed at 8 retailers as of November 4, 2026, with a 126% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1559483773
Dimensions6.87 × 6.82 × 4.30 mm
L/W Ratio1.01
Top View
6.87 mm6.82 mm1.25 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559483773
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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: Nov 6
Current: £2,945 GBP|Low: £2,276 GBP|High: £5,656 GBP|Avg: £3,614 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£2,333 GBP
Retailer 5£2,838 GBP
Retailer 6£2,943 GBP
Retailer 1£2,945 GBP
Retailer 2£3,489 GBP
Retailer 3£5,269 GBP
Retailer 7£5,656 GBP

31 data points across 7 retailers

8 retailers£2,333 GBP to £5,269 GBP

A
Cheapest Retailer
-
£2,333 GBP
A
Retailer 2
-
£2,838 GBP
View
A
Retailer 3
-
£2,945 GBP
View
Retailer 4
-
£3,160 GBP
View
Price last confirmed 39 days ago
B+
Retailer 5
-
£3,489 GBP
View
B
Retailer 6
-
£5,269 GBP
View
Retailer 7
-
£5,504 GBP
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
59f9f484-f2d3-4ab3-9fb2-f86affc3f849 · Oct 17
£5,603 GBP
$7,500 USD
View
Price last confirmed 20 days ago
7 more retailers have this diamond
Prices start from £2,333 GBPSave up to £2,936 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
1.25ct Round
£2,333 GBP