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Round|Natural|GIA

1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2544026011

Certificate GIA 2544026011

Diamond specifications and retailer prices

From £3,601 GBP
As of November 5, 2026
Save £4,023 GBP (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,625 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2544026011. Listed at 15 retailers as of November 5, 2026, with prices from £3,601 to £7,625, a £4,023 spread on the same certified stone. NZ Jewellers lists it at £7,625. 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

1.54
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2544026011
Dimensions7.44 × 7.38 × 4.55 mm
L/W Ratio1.01
Star length50%
Top View
7.44 mm7.38 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2544026011
Side View
Table 60.0%Crown 35°Girdle: Sli. ThickPavilion 41.4°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £7,625 GBP|Low: £3,177 GBP|High: £7,625 GBP|Avg: £5,052 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£3,812 GBP
Retailer 7£4,130 GBP
Retailer 8£4,130 GBP
Retailer 4£4,301 GBP
Retailer 2£4,424 GBP
Retailer 3£4,661 GBP
Retailer 5£6,698 GBP
NZ Jewellers£7,625 GBP

41 data points across 8 retailers

15 retailers£3,601 GBP to £7,625 GBP

B+
Cheapest Retailer
-
£3,601 GBP
B+
Retailer 2
-
£3,812 GBP
View
Final sale: no returns
B+
Retailer 3
-
£3,844 GBP
View
Retailer 4
-
£4,130 GBP
View
Price last confirmed 8 days ago
B
Retailer 5
-
£4,130 GBP
View
B
Retailer 6
-
£4,130 GBP
View
B+
Retailer 7
-
£4,301 GBP
View
B
Retailer 8
-
£4,424 GBP
View
B
Retailer 9
-
£4,614 GBP
View
B
Retailer 10
-
£4,614 GBP
View
B
Retailer 11
-
£4,661 GBP
View
B
Retailer 12
-
£4,766 GBP
View
B
Retailer 13
-
£4,770 GBP
View
B
Retailer 14
-
£6,698 GBP
View
Most Expensive
C
NZ Jewellers
5e3fb190-1e4d-4d63-acab-a9a2e5fb5478 · Nov 5
£7,625 GBP
$10,262 USD
View
14 more retailers have this diamond
Prices start from £3,601 GBPSave up to £4,023 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.

B+
1.54ct Round
£3,601 GBP