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Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1565440501

Certificate GIA 1565440501

Diamond specifications and retailer prices

From £484 GBP
$648 USD
As of November 2, 2026
Save £1,160 GBP (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,643 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.54ct natural round diamond

This 0.54ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565440501. Listed at 15 retailers as of October 30, 2026, with prices from £484 to £1,643, a £1,160 spread on the same certified stone. NZ Jewellers lists it at £1,643. 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

0.54
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565440501
Dimensions5.24 × 5.23 × 3.22 mm
L/W Ratio1.00
Key to symbols
Crystal
Top View
5.24 mm5.23 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565440501
Side View
Table 57.0%Crown 34°Girdle: Med. - Sli. ThickPavilion 40.8°Culet: NDepth 61.4%

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 2
Current: £1,643 GBP|Low: £473 GBP|High: £1,643 GBP|Avg: £707 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 7£473 GBP
Retailer 4£484 GBP
Retailer 12£524 GBP
Retailer 14£530 GBP
Retailer 13£544 GBP
Retailer 11£605 GBP
Retailer 3£626 GBP
Retailer 5£636 GBP
Retailer 2£644 GBP
Retailer 15£657 GBP
Retailer 6£719 GBP
Retailer 8£741 GBP
Retailer 9£809 GBP
Retailer 10£1,217 GBP
NZ Jewellers£1,643 GBP

21 data points across 15 retailers

15 retailers£484 GBP to £1,643 GBP

Retailer 1
-
£473 GBP
$634 USD
Price last confirmed 18 days ago
A
Retailer 2
-
£484 GBP
$648 USD
View
Final sale: no returns
A
Retailer 3
-
£524 GBP
$702 USD
View
B+
Retailer 4
-
£530 GBP
$710 USD
View
B+
Retailer 5
-
£544 GBP
$729 USD
View
B+
Retailer 6
-
£605 GBP
$810 USD
View
B+
Retailer 7
-
£626 GBP
View
B+
Retailer 8
-
£636 GBP
$852 USD
View
B+
Retailer 9
-
£644 GBP
View
B+
Retailer 10
-
£657 GBP
$880 USD
View
B
Retailer 11
-
£719 GBP
$963 USD
View
B+
Retailer 12
-
£741 GBP
€946 EUR
View
B
Retailer 13
-
£809 GBP
ZAR 17,508 ZAR
View
B
Retailer 14
-
£1,217 GBP
View
Most Expensive
B
NZ Jewellers
d9a2cbb4-40cd-4faa-b5ab-c230d1c68559 · Oct 30
£1,643 GBP
$2,202 USD
View
14 more retailers have this diamond
Prices start from £484 GBPSave up to £1,160 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
0.54ct Round
£484 GBP