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Round|Natural|GIA

1.54ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2497760293

Certificate GIA 2497760293

Diamond specifications and retailer prices

From £4,508 GBP
$6,040 USD
As of November 1, 2026
Save £4,227 GBP (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £8,735 GBP at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2497760293. Listed at 11 retailers as of October 30, 2026, with prices from £4,508 to £8,735, a £4,227 spread on the same certified stone. NZ Jewellers lists it at £8,735. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2497760293
Dimensions7.39 × 7.37 × 4.59 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.39 mm7.37 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2497760293
Side View
Table 58.0%Crown 33°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.2%

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 1
Current: £5,373 GBP|Low: £4,508 GBP|High: £7,787 GBP|Avg: £5,597 GBP|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8£4,508 GBP
Retailer 9£4,821 GBP
Retailer 4£4,975 GBP
Retailer 7£5,069 GBP
Retailer 6£5,303 GBP
Retailer 2£5,372 GBP
Retailer 1£5,373 GBP
Retailer 5£6,417 GBP
Retailer 3£7,695 GBP

35 data points across 9 retailers

11 retailers£4,508 GBP to £8,735 GBP

A
Cheapest Retailer
-
£4,508 GBP
$6,040 USD
B+
Retailer 2
-
£4,821 GBP
$6,460 USD
View
Final sale: no returns
B+
Retailer 3
-
£4,975 GBP
View
Retailer 4
-
£5,069 GBP
A$10,450 AUD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
£5,303 GBP
$7,105 USD
View
B+
Retailer 6
-
£5,372 GBP
View
B+
Retailer 7
-
£5,373 GBP
€6,856 EUR
View
B+
Retailer 8
-
£5,387 GBP
€6,874 EUR
View
B
Retailer 9
-
£6,417 GBP
ZAR 138,903 ZAR
View
B
Retailer 10
-
£7,695 GBP
View
Most Expensive
B
NZ Jewellers
424b9116-0553-4da7-a208-908aa902b03a · Oct 30
£8,735 GBP
$11,704 USD
View
10 more retailers have this diamond
Prices start from £4,508 GBPSave up to £4,227 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
1.54ct Round
£4,508 GBP