CaratHunter
Plans
Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5566564828

Certificate GIA 5566564828

Diamond specifications and retailer prices

From £300 GBP
₹38,221 INR
As of October 30, 2026
Save £942 GBP (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,242 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 5566564828. Listed at 17 retailers as of October 30, 2026, with prices from £300 to £1,242, a £942 spread on the same certified stone. NZ Jewellers lists it at £1,242. 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
FluorescenceMedium
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5566564828
Dimensions5.27 × 5.27 × 3.17 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.27 mm5.27 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5566564828
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.1%

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: Oct 30
Current: £1,242 GBP|Low: £299 GBP|High: £1,242 GBP|Avg: £470 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
Retailer 16
October 31, 2026
Retailer 16£300 GBP
Retailer 8£344 GBP
Retailer 9£361 GBP
Retailer 6£396 GBP
Retailer 7£423 GBP
Retailer 4£427 GBP
Retailer 5£427 GBP
Retailer 12£452 GBP
Retailer 2£479 GBP
Retailer 11£485 GBP
Retailer 15£509 GBP
Retailer 3£545 GBP
Retailer 14£546 GBP
Retailer 10£548 GBP
Retailer 13£611 GBP
NZ Jewellers£1,242 GBP

6 data points across 16 retailers

17 retailers£300 GBP to £1,242 GBP

A
Cheapest Retailer
-
£300 GBP
₹38,221 INR
A
Retailer 2
-
£344 GBP
HK$3,600 HKD
View
A
Retailer 3
-
£361 GBP
$484 USD
View
Final sale: no returns
A
Retailer 4
-
£396 GBP
$531 USD
View
A
Retailer 5
-
£400 GBP
A$824 AUD
View
A
Retailer 6
-
£423 GBP
$567 USD
View
A
Retailer 7
-
£427 GBP
$572 USD
View
A
Retailer 8
-
£427 GBP
$572 USD
View
A
Retailer 9
-
£452 GBP
$606 USD
View
A
Retailer 10
-
£479 GBP
View
A
Retailer 11
-
£485 GBP
View
A
Retailer 12
-
£509 GBP
View
B+
Retailer 13
-
£545 GBP
$730 USD
View
B+
Retailer 14
-
£546 GBP
€697 EUR
View
B+
Retailer 15
-
£548 GBP
$735 USD
View
B+
Retailer 16
-
£611 GBP
ZAR 13,234 ZAR
View
Most Expensive
B
NZ Jewellers
cdf6bd07-c476-4681-877a-4363af399e82 · Oct 30
£1,242 GBP
$1,664 USD
View
16 more retailers have this diamond
Prices start from £300 GBPSave up to £942 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
£300 GBP