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Round|Natural|GIA

1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1479692477

Certificate GIA 1479692477

Diamond specifications and retailer prices

From £3,317 GBP
As of November 4, 2026
Save £3,240 GBP (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,558 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 1479692477. Listed at 13 retailers as of November 4, 2026, with prices from £3,317 to £6,558, a £3,240 spread on the same certified stone. NZ Jewellers lists it at £6,558. 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
FluorescenceNone
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1479692477
Dimensions7.41 × 7.46 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Knot, Crystal, Needle, Indented Natural
Top View
7.41 mm7.46 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1479692477
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 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 4
Current: £4,925 GBP|Low: £3,619 GBP|High: £6,168 GBP|Avg: £4,500 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£3,619 GBP
Retailer 3£3,850 GBP
Retailer 6£3,921 GBP
Retailer 2£4,167 GBP
Retailer 1£4,925 GBP
Retailer 4£6,078 GBP

44 data points across 6 retailers

13 retailers£3,317 GBP to £6,558 GBP

B+
Cheapest Retailer
-
£3,317 GBP
B+
Retailer 2
-
£3,419 GBP
View
B+
Retailer 3
-
£3,619 GBP
View
Final sale: no returns
B+
Retailer 4
-
£3,850 GBP
View
Retailer 5
-
£3,921 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
£3,921 GBP
View
B
Retailer 7
-
£3,921 GBP
View
B
Retailer 8
-
£4,034 GBP
View
B
Retailer 9
-
£4,167 GBP
View
B
Retailer 10
-
£4,524 GBP
View
B
Retailer 11
-
£4,925 GBP
View
B
Retailer 12
-
£6,078 GBP
View
Most Expensive
B
NZ Jewellers
961b8e49-facd-4266-b882-cd770e1ed216 · Nov 5
£6,558 GBP
$8,826 USD
View
12 more retailers have this diamond
Prices start from £3,317 GBPSave up to £3,240 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
£3,317 GBP