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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7321495588

Certificate GIA 7321495588

Diamond specifications and retailer prices

From £430 GBP
HK$4,500 HKD
As of November 1, 2026
Save £1,164 GBP (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,593 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct 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 7321495588. Listed at 18 retailers as of October 30, 2026, with prices from £430 to £1,593, a £1,164 spread on the same certified stone. NZ Jewellers lists it at £1,593. 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

0.55
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7321495588
Dimensions5.22 × 5.19 × 3.31 mm
L/W Ratio1.01
Top View
5.22 mm5.19 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7321495588
Side View
Table 56.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 63.5%

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: £1,593 GBP|Low: £430 GBP|High: £1,593 GBP|Avg: £654 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 7£430 GBP
Retailer 8£452 GBP
Retailer 6£455 GBP
Retailer 3£469 GBP
Retailer 19£508 GBP
Retailer 11£524 GBP
Retailer 20£528 GBP
Retailer 12£528 GBP
Retailer 17£587 GBP
Retailer 4£598 GBP
Retailer 18£607 GBP
Retailer 9£607 GBP
Retailer 2£624 GBP
Retailer 5£646 GBP
Retailer 14£657 GBP
Retailer 13£720 GBP
Retailer 16£784 GBP
Retailer 10£840 GBP
Retailer 15£1,173 GBP
NZ Jewellers£1,593 GBP

25 data points across 20 retailers

18 retailers£430 GBP to £1,593 GBP

A
Cheapest Retailer
-
£430 GBP
HK$4,500 HKD
A
Retailer 2
-
£455 GBP
$610 USD
View
A
Retailer 3
-
£469 GBP
$628 USD
View
Final sale: no returns
A
Retailer 4
-
£508 GBP
$681 USD
View
B+
Retailer 5
-
£528 GBP
$707 USD
View
B+
Retailer 6
-
£528 GBP
SGD 956 SGD
View
B+
Retailer 7
-
£587 GBP
$786 USD
View
B+
Retailer 8
-
£598 GBP
$801 USD
View
B+
Retailer 9
-
£607 GBP
View
B+
Retailer 10
-
£607 GBP
$813 USD
View
B+
Retailer 11
-
£624 GBP
View
B+
Retailer 12
-
£646 GBP
$865 USD
View
B+
Retailer 13
-
£657 GBP
View
B+
Retailer 14
-
£720 GBP
€919 EUR
View
B+
Retailer 15
-
£784 GBP
ZAR 16,977 ZAR
View
B
Retailer 16
-
£1,173 GBP
View
B
Retailer 17
-
£1,184 GBP
View
Most Expensive
B
NZ Jewellers
5be073e6-031a-4675-9d0f-b6bc685979f2 · Oct 30
£1,593 GBP
$2,135 USD
View
17 more retailers have this diamond
Prices start from £430 GBPSave up to £1,164 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
0.55ct Round
£430 GBP